{
  "run_id": "LearningCircuit--local-deep-research-gpt-6-luna-1792762549041037533",
  "checker": {
    "claims": [
      {
        "claim": "The server provides a tool to list available search engines.",
        "command": "/tmp/ldr-venv/bin/ldr-mcp tools/call {\"tool\": \"list_search_engines\", \"arguments\": {}}",
        "evidence": "wikipedia\\\",\\n      \\\"description\\\": \\\"Search Wikipedia articles\\\",\\n      \\\"strengths\\\": [\\n        \\\"factual information\\\",\\n        \\\"general knowledge\\\",\\n        \\\"definitions\\\",\\n        \\\"historical facts\\\",\\n        \\\"biographies\\\",\\n        \\\"overview information\\\"\\n      ],\\n      \\\"weaknesses\\\": [\\n        \\\"recent events\\\",\\n        \\\"specialized academic topics\\\",\\n        \\\"product comparisons\\\"\\n      ],\\n      \\\"requires_api_key\\\": false,\\n      \\\"is_local\\\": false\\n    },\\n    {\\n      \\\"name\\\": \\\"zenodo\\\",\\n      \\\"description\\\": \\\"Search millions of research datasets, softwa",
        "expected": "A list of available engines including wikipedia",
        "input": "{\"tool\": \"list_search_engines\", \"arguments\": {}}",
        "kind": "claim",
        "outcome": "Real input produced the expected result: wikipedia",
        "source": "`list_search_engines`",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "README entry points provide interactive research and MCP tools; no product scheduler cycle is described in the inspected entry points.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "README entry points provide interactive research and MCP tools; no product scheduler cycle is described in the inspected entry points.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "/tmp/ldr-venv/bin/ldr-mcp"
      ],
      "kind": "mcp",
      "scope": "product operation",
      "serverInfo": {
        "name": "local-deep-research",
        "version": "1.30.0"
      },
      "tool_result": {
        "content": [
          {
            "text": "{\n  \"status\": \"success\",\n  \"engines\": [\n    {\n      \"name\": \"arxiv\",\n      \"description\": \"Search papers uploaded to ArXiv.\",\n      \"strengths\": [\n        \"scientific papers\",\n        \"academic research\",\n        \"physics\",\n        \"computer science\",\n        \"mathematics\",\n        \"statistics\",\n        \"machine learning\",\n        \"preprints\"\n      ],\n      \"weaknesses\": [\n        \"non-academic topics\",\n        \"consumer products\",\n        \"news\",\n        \"general information\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"brave\",\n      \"description\": \"Search the web using the Brave search engine.\",\n      \"strengths\": [\n        \"privacy-focused web search\",\n        \"product information\",\n        \"reviews\",\n        \"recent content\",\n        \"news\",\n        \"broad coverage\"\n      ],\n      \"weaknesses\": [\n        \"requires API key with usage limits\",\n        \"smaller index than Google\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"elasticsearch\",\n      \"description\": \"Search engine for Elasticsearch databases. Efficient for searching document collections and structured data.\",\n      \"strengths\": [\n        \"Fast full-text search\",\n        \"Scalable and distributed\",\n        \"Rich query DSL\",\n        \"Supports aggregations\",\n        \"Real-time search\"\n      ],\n      \"weaknesses\": [\n        \"Requires running Elasticsearch instance\",\n        \"Needs proper index configuration\",\n        \"Data must be pre-indexed\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"exa\",\n      \"description\": \"Neural search engine built for AI with semantic understanding and high-quality results optimized for LLM consumption.\",\n      \"strengths\": [\n        \"neural search with semantic understanding\",\n        \"results optimized for LLM consumption\",\n        \"high-quality, clean content\",\n        \"supports deep search for comprehensive results\",\n        \"built-in highlights and summaries\",\n        \"date filtering and domain controls\"\n      ],\n      \"weaknesses\": [\n        \"requires API key with usage limits\",\n        \"newer service still evolving\",\n        \"costs scale with usage\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"federal_register\",\n      \"description\": \"FederalRegister.gov informational edition search for rules, proposed rules, notices, and presidential documents; not the official legal edition. Verify against GovInfo for legal reliance.\",\n      \"strengths\": [\n        \"FederalRegister.gov informational edition, not the official legal edition\",\n        \"Searches rules, proposed rules, notices, and presidential documents\",\n        \"Verify against GovInfo for legal reliance\",\n        \"No API key required\"\n      ],\n      \"weaknesses\": [\n        \"Focused on Federal Register documents\",\n        \"API requests are limited to 20 results by the adapter\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"github\",\n      \"description\": \"Search projects on Github.\",\n      \"strengths\": [\n        \"code repositories\",\n        \"software documentation\",\n        \"open source projects\",\n        \"programming issues\",\n        \"developer information\",\n        \"technical documentation\"\n      ],\n      \"weaknesses\": [\n        \"non-technical content\",\n        \"content outside GitHub\",\n        \"rate limits without API key\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"google_pse\",\n      \"description\": \"Search the web using Google's Programmable Search Engine API.\",\n      \"strengths\": [\n        \"custom search scope\",\n        \"high-quality results\",\n        \"domain-specific search\",\n        \"configurable search experience\",\n        \"control over search index\"\n      ],\n      \"weaknesses\": [\n        \"requires API key with usage limits\",\n        \"limited to 10,000 queries/day on free tier\",\n        \"requires search engine configuration in Google Control Panel\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"gutenberg\",\n      \"description\": \"Search 70,000+ free public domain books with full text via Gutendex.\",\n      \"strengths\": [\n        \"public domain\",\n        \"full text\",\n        \"classic literature\",\n        \"free ebooks\",\n        \"multiple formats\"\n      ],\n      \"weaknesses\": [\n        \"public domain only\",\n        \"older works\",\n        \"limited modern titles\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"library\",\n      \"description\": \"Search across all your document collections using semantic search\",\n      \"strengths\": [\n        \"Searches all your curated collections of research papers and documents\",\n        \"Uses semantic search for better relevance\",\n        \"Returns documents you've already saved and reviewed\"\n      ],\n      \"weaknesses\": [\n        \"Limited to documents already in your collections\",\n        \"Requires documents to be indexed first\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"mojeek\",\n      \"description\": \"Privacy-focused search engine with its own independent web index.\",\n      \"strengths\": [\n        \"privacy-focused with own index\",\n        \"no tracking or profiling\",\n        \"independent results\",\n        \"European-based\"\n      ],\n      \"weaknesses\": [\n        \"smaller index than Google/Bing\",\n        \"requires paid API key\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"nasa_ads\",\n      \"description\": \"NASA Astrophysics Data System - comprehensive database of astronomy, astrophysics, physics, and geophysics papers. Includes both ArXiv preprints and published papers.\",\n      \"strengths\": [\n        \"astronomy papers\",\n        \"astrophysics research\",\n        \"physics papers\",\n        \"space science\",\n        \"planetary science\",\n        \"cosmology\",\n        \"high energy physics\",\n        \"historical papers\",\n        \"citation tracking\",\n        \"natural language queries\"\n      ],\n      \"weaknesses\": [\n        \"biomedical content\",\n        \"computer science papers\",\n        \"social sciences\",\n        \"humanities\",\n        \"requires API key for good performance\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"openalex\",\n      \"description\": \"Search 250+ million academic papers with natural language queries. Comprehensive scholarly database covering all disciplines.\",\n      \"strengths\": [\n        \"academic papers\",\n        \"scholarly research\",\n        \"natural language queries\",\n        \"all disciplines\",\n        \"citation analysis\",\n        \"open access content\",\n        \"comprehensive coverage\",\n        \"works without an API key\",\n        \"free API key raises the daily request budget\"\n      ],\n      \"weaknesses\": [\n        \"non-academic content\",\n        \"news articles\",\n        \"general web content\",\n        \"real-time information\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"openlibrary\",\n      \"description\": \"Search 2M+ books with metadata, covers, and full text from Internet Archive.\",\n      \"strengths\": [\n        \"books\",\n        \"literature\",\n        \"metadata\",\n        \"covers\",\n        \"full text\",\n        \"Internet Archive\"\n      ],\n      \"weaknesses\": [\n        \"books only\",\n        \"variable metadata quality\",\n        \"English focus\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"paperless\",\n      \"description\": \"Search your personal Paperless-ngx document archive.\",\n      \"strengths\": [\n        \"personal documents\",\n        \"OCR-processed content\",\n        \"tagged and organized\",\n        \"full-text search\",\n        \"no rate limits\",\n        \"private data\"\n      ],\n      \"weaknesses\": [\n        \"keyword-based search only\",\n        \"no semantic understanding\",\n        \"limited query operators\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"pubchem\",\n      \"description\": \"Search millions of chemical compounds with structures, properties, and bioactivity data.\",\n      \"strengths\": [\n        \"chemistry\",\n        \"compounds\",\n        \"drug information\",\n        \"molecular properties\",\n        \"bioactivity\"\n      ],\n      \"weaknesses\": [\n        \"chemistry only\",\n        \"technical data\",\n        \"requires chemical knowledge\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"pubmed\",\n      \"description\": \"Search papers indexed by PubMed.\",\n      \"strengths\": [\n        \"biomedical literature\",\n        \"medical research\",\n        \"clinical studies\",\n        \"life sciences\",\n        \"health information\",\n        \"scientific papers\"\n      ],\n      \"weaknesses\": [\n        \"non-medical topics\",\n        \"very recent papers may be missing\",\n        \"limited to published research\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"scaleserp\",\n      \"description\": \"Cost-effective Google Search API with 1-hour free caching that can reduce costs by 40-70% for repeated searches.\",\n      \"strengths\": [\n        \"1-hour free caching for repeated searches\",\n        \"High-quality Google search results\",\n        \"Real-time results with knowledge graph\",\n        \"Cached searches don't count against quota\",\n        \"Rich snippets and related questions\"\n      ],\n      \"weaknesses\": [\n        \"Requires API key with usage limits\",\n        \"Not specialized for academic content\",\n        \"Cache only lasts 1 hour\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"searxng\",\n      \"description\": \"A locally-hosted meta-search engine.\",\n      \"strengths\": [\n        \"comprehensive general information\",\n        \"current events and news\",\n        \"technical documentation\",\n        \"factual queries\",\n        \"historical information\",\n        \"consumer products\",\n        \"educational content\",\n        \"multi-source aggregation\",\n        \"real-time results\",\n        \"combined results from major search engines\"\n      ],\n      \"weaknesses\": [\n        \"requires self-hosting\",\n        \"depends on other search engines\",\n        \"may be rate limited by underlying engines\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"semantic_scholar\",\n      \"description\": \"AI-powered search for scientific literature. Features include TLDR summaries, citation graphs, and semantic search across millions of papers.\",\n      \"strengths\": [\n        \"AI-powered features\",\n        \"TLDR summaries\",\n        \"citation graphs\",\n        \"semantic search\",\n        \"all scientific fields\",\n        \"no API key required\",\n        \"computer science focus\",\n        \"paper influence metrics\"\n      ],\n      \"weaknesses\": [\n        \"rate limits without API key\",\n        \"not all papers have TLDR\",\n        \"coverage varies by field\",\n        \"newer papers may be missing\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"serpapi\",\n      \"description\": \"Search the web with Google's search API.\",\n      \"strengths\": [\n        \"comprehensive web search\",\n        \"product information\",\n        \"reviews\",\n        \"recent content\",\n        \"news\",\n        \"broad coverage\"\n      ],\n      \"weaknesses\": [\n        \"requires API key with usage limits\",\n        \"not specialized for academic content\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"serper\",\n      \"description\": \"Fast and affordable Google Search API with real-time results.\",\n      \"strengths\": [\n        \"Lightning-fast response times (1-2 seconds)\",\n        \"Very affordable pricing\",\n        \"High-quality Google search results\",\n        \"Real-time results\",\n        \"Knowledge graph and related searches\",\n        \"People Also Ask data\",\n        \"Simple pay-per-use pricing\"\n      ],\n      \"weaknesses\": [\n        \"Requires API key with usage limits\",\n        \"Not specialized for academic content\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"serply\",\n      \"description\": \"Google search results via the Serply API, with Google News and Google Scholar as alternative search types.\",\n      \"strengths\": [\n        \"Google web search results\",\n        \"Google News and Google Scholar available as search types\",\n        \"Scholar results include author, venue and citation metadata\"\n      ],\n      \"weaknesses\": [\n        \"Requires API key with usage limits\",\n        \"One search type per configured engine\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"sofya\",\n      \"description\": \"Hosted web-search API for AI agents. Returns ranked results with SERP snippets and extracted page content (markdown) in a single call.\",\n      \"strengths\": [\n        \"Returns SERP snippets and extracted page content (markdown) in one call\",\n        \"Domain include/exclude filtering and recency filtering\",\n        \"General and news topics\",\n        \"1000 free credits/month for GitHub sign-ups\",\n        \"Built for AI agents\"\n      ],\n      \"weaknesses\": [\n        \"Requires API key with credit-based usage limits\",\n        \"Not specialized for academic content\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"stackexchange\",\n      \"description\": \"Search Stack Overflow and other Q&A sites for programming answers.\",\n      \"strengths\": [\n        \"programming\",\n        \"Q&A\",\n        \"code examples\",\n        \"community moderated\",\n        \"multiple sites\"\n      ],\n      \"weaknesses\": [\n        \"technical focus\",\n        \"rate limited\",\n        \"Q&A format only\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"tavily\",\n      \"description\": \"AI-powered search engine optimized for research with built-in answer extraction.\",\n      \"strengths\": [\n        \"AI-powered search optimization\",\n        \"built-in answer extraction\",\n        \"research-focused results\",\n        \"high-quality content filtering\",\n        \"fast response times\"\n      ],\n      \"weaknesses\": [\n        \"requires API key with usage limits\",\n        \"newer service with smaller historical data\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"tinyfish\",\n      \"description\": \"Fast hosted web search with optional browser-rendered content extraction.\",\n      \"strengths\": [\n        \"fast structured web search\",\n        \"browser-rendered content extraction\",\n        \"clean markdown output for LLM consumption\",\n        \"batch fetches multiple URLs\"\n      ],\n      \"weaknesses\": [\n        \"requires hosted API key\",\n        \"external network requests leave the local environment\",\n        \"fetch latency depends on target page rendering\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"wayback\",\n      \"description\": \"Fetch archived versions of known URLs from the Internet Archive's Wayback Machine.\",\n      \"strengths\": [\n        \"historical web content\",\n        \"archived websites\",\n        \"content verification\",\n        \"deleted or changed web pages\",\n        \"website evolution tracking\"\n      ],\n      \"weaknesses\": [\n        \"limited to previously archived content\",\n        \"may miss recent changes\",\n        \"archiving quality varies\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"webz\",\n      \"description\": \"Semantic news search via the Webz.io direct News Search API; publication dates, source metadata and matching article excerpts. Queries are limited to 750 characters and 100 words; requested results are clamped to 1-50. Full article text uses the existing result-URL fetch wrapper, not an additional Webz API.\",\n      \"strengths\": [\n        \"Semantic news search\",\n        \"Publication dates and source metadata\",\n        \"Relevant article excerpts\"\n      ],\n      \"weaknesses\": [\n        \"Requires api_news permission and available credits\",\n        \"Live HTTPS compatibility has not been smoke-tested\",\n        \"Client caps results at 50: Parameters says 100, but Errors says k greater than 50 returns HTTP 422\"\n      ],\n      \"requires_api_key\": true,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"wikinews\",\n      \"description\": \"Search news articles written by volunteers with verified sources\",\n      \"strengths\": [\n        \"recent and historical news\",\n        \"verified sources\",\n        \"general coverage\",\n        \"quick overviews\"\n      ],\n      \"weaknesses\": [\n        \"less coverage of specialized topics\",\n        \"limited editorial oversight\",\n        \"variable article quality\",\n        \"not ideal for breaking news\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"wikipedia\",\n      \"description\": \"Search Wikipedia articles\",\n      \"strengths\": [\n        \"factual information\",\n        \"general knowledge\",\n        \"definitions\",\n        \"historical facts\",\n        \"biographies\",\n        \"overview information\"\n      ],\n      \"weaknesses\": [\n        \"recent events\",\n        \"specialized academic topics\",\n        \"product comparisons\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    },\n    {\n      \"name\": \"zenodo\",\n      \"description\": \"Search millions of research datasets, software, and publications with DOIs.\",\n      \"strengths\": [\n        \"research data\",\n        \"datasets\",\n        \"DOIs\",\n        \"software\",\n        \"open access\",\n        \"CERN\"\n      ],\n      \"weaknesses\": [\n        \"research focus\",\n        \"variable quality\",\n        \"metadata only\"\n      ],\n      \"requires_api_key\": false,\n      \"is_local\": false\n    }\n  ]\n}",
            "type": "text"
          }
        ],
        "isError": false,
        "structuredContent": {
          "result": {
            "engines": [
              {
                "description": "Search papers uploaded to ArXiv.",
                "is_local": false,
                "name": "arxiv",
                "requires_api_key": false,
                "strengths": [
                  "scientific papers",
                  "academic research",
                  "physics",
                  "computer science",
                  "mathematics",
                  "statistics",
                  "machine learning",
                  "preprints"
                ],
                "weaknesses": [
                  "non-academic topics",
                  "consumer products",
                  "news",
                  "general information"
                ]
              },
              {
                "description": "Search the web using the Brave search engine.",
                "is_local": false,
                "name": "brave",
                "requires_api_key": true,
                "strengths": [
                  "privacy-focused web search",
                  "product information",
                  "reviews",
                  "recent content",
                  "news",
                  "broad coverage"
                ],
                "weaknesses": [
                  "requires API key with usage limits",
                  "smaller index than Google"
                ]
              },
              {
                "description": "Search engine for Elasticsearch databases. Efficient for searching document collections and structured data.",
                "is_local": false,
                "name": "elasticsearch",
                "requires_api_key": false,
                "strengths": [
                  "Fast full-text search",
                  "Scalable and distributed",
                  "Rich query DSL",
                  "Supports aggregations",
                  "Real-time search"
                ],
                "weaknesses": [
                  "Requires running Elasticsearch instance",
                  "Needs proper index configuration",
                  "Data must be pre-indexed"
                ]
              },
              {
                "description": "Neural search engine built for AI with semantic understanding and high-quality results optimized for LLM consumption.",
                "is_local": false,
                "name": "exa",
                "requires_api_key": true,
                "strengths": [
                  "neural search with semantic understanding",
                  "results optimized for LLM consumption",
                  "high-quality, clean content",
                  "supports deep search for comprehensive results",
                  "built-in highlights and summaries",
                  "date filtering and domain controls"
                ],
                "weaknesses": [
                  "requires API key with usage limits",
                  "newer service still evolving",
                  "costs scale with usage"
                ]
              },
              {
                "description": "FederalRegister.gov informational edition search for rules, proposed rules, notices, and presidential documents; not the official legal edition. Verify against GovInfo for legal reliance.",
                "is_local": false,
                "name": "federal_register",
                "requires_api_key": false,
                "strengths": [
                  "FederalRegister.gov informational edition, not the official legal edition",
                  "Searches rules, proposed rules, notices, and presidential documents",
                  "Verify against GovInfo for legal reliance",
                  "No API key required"
                ],
                "weaknesses": [
                  "Focused on Federal Register documents",
                  "API requests are limited to 20 results by the adapter"
                ]
              },
              {
                "description": "Search projects on Github.",
                "is_local": false,
                "name": "github",
                "requires_api_key": true,
                "strengths": [
                  "code repositories",
                  "software documentation",
                  "open source projects",
                  "programming issues",
                  "developer information",
                  "technical documentation"
                ],
                "weaknesses": [
                  "non-technical content",
                  "content outside GitHub",
                  "rate limits without API key"
                ]
              },
              {
                "description": "Search the web using Google's Programmable Search Engine API.",
                "is_local": false,
                "name": "google_pse",
                "requires_api_key": true,
                "strengths": [
                  "custom search scope",
                  "high-quality results",
                  "domain-specific search",
                  "configurable search experience",
                  "control over search index"
                ],
                "weaknesses": [
                  "requires API key with usage limits",
                  "limited to 10,000 queries/day on free tier",
                  "requires search engine configuration in Google Control Panel"
                ]
              },
              {
                "description": "Search 70,000+ free public domain books with full text via Gutendex.",
                "is_local": false,
                "name": "gutenberg",
                "requires_api_key": false,
                "strengths": [
                  "public domain",
                  "full text",
                  "classic literature",
                  "free ebooks",
                  "multiple formats"
                ],
                "weaknesses": [
                  "public domain only",
                  "older works",
                  "limited modern titles"
                ]
              },
              {
                "description": "Search across all your document collections using semantic search",
                "is_local": false,
                "name": "library",
                "requires_api_key": false,
                "strengths": [
                  "Searches all your curated collections of research papers and documents",
                  "Uses semantic search for better relevance",
                  "Returns documents you've already saved and reviewed"
                ],
                "weaknesses": [
                  "Limited to documents already in your collections",
                  "Requires documents to be indexed first"
                ]
              },
              {
                "description": "Privacy-focused search engine with its own independent web index.",
                "is_local": false,
                "name": "mojeek",
                "requires_api_key": true,
                "strengths": [
                  "privacy-focused with own index",
                  "no tracking or profiling",
                  "independent results",
                  "European-based"
                ],
                "weaknesses": [
                  "smaller index than Google/Bing",
                  "requires paid API key"
                ]
              },
              {
                "description": "NASA Astrophysics Data System - comprehensive database of astronomy, astrophysics, physics, and geophysics papers. Includes both ArXiv preprints and published papers.",
                "is_local": false,
                "name": "nasa_ads",
                "requires_api_key": true,
                "strengths": [
                  "astronomy papers",
                  "astrophysics research",
                  "physics papers",
                  "space science",
                  "planetary science",
                  "cosmology",
                  "high energy physics",
                  "historical papers",
                  "citation tracking",
                  "natural language queries"
                ],
                "weaknesses": [
                  "biomedical content",
                  "computer science papers",
                  "social sciences",
                  "humanities",
                  "requires API key for good performance"
                ]
              },
              {
                "description": "Search 250+ million academic papers with natural language queries. Comprehensive scholarly database covering all disciplines.",
                "is_local": false,
                "name": "openalex",
                "requires_api_key": false,
                "strengths": [
                  "academic papers",
                  "scholarly research",
                  "natural language queries",
                  "all disciplines",
                  "citation analysis",
                  "open access content",
                  "comprehensive coverage",
                  "works without an API key",
                  "free API key raises the daily request budget"
                ],
                "weaknesses": [
                  "non-academic content",
                  "news articles",
                  "general web content",
                  "real-time information"
                ]
              },
              {
                "description": "Search 2M+ books with metadata, covers, and full text from Internet Archive.",
                "is_local": false,
                "name": "openlibrary",
                "requires_api_key": false,
                "strengths": [
                  "books",
                  "literature",
                  "metadata",
                  "covers",
                  "full text",
                  "Internet Archive"
                ],
                "weaknesses": [
                  "books only",
                  "variable metadata quality",
                  "English focus"
                ]
              },
              {
                "description": "Search your personal Paperless-ngx document archive.",
                "is_local": false,
                "name": "paperless",
                "requires_api_key": true,
                "strengths": [
                  "personal documents",
                  "OCR-processed content",
                  "tagged and organized",
                  "full-text search",
                  "no rate limits",
                  "private data"
                ],
                "weaknesses": [
                  "keyword-based search only",
                  "no semantic understanding",
                  "limited query operators"
                ]
              },
              {
                "description": "Search millions of chemical compounds with structures, properties, and bioactivity data.",
                "is_local": false,
                "name": "pubchem",
                "requires_api_key": false,
                "strengths": [
                  "chemistry",
                  "compounds",
                  "drug information",
                  "molecular properties",
                  "bioactivity"
                ],
                "weaknesses": [
                  "chemistry only",
                  "technical data",
                  "requires chemical knowledge"
                ]
              },
              {
                "description": "Search papers indexed by PubMed.",
                "is_local": false,
                "name": "pubmed",
                "requires_api_key": false,
                "strengths": [
                  "biomedical literature",
                  "medical research",
                  "clinical studies",
                  "life sciences",
                  "health information",
                  "scientific papers"
                ],
                "weaknesses": [
                  "non-medical topics",
                  "very recent papers may be missing",
                  "limited to published research"
                ]
              },
              {
                "description": "Cost-effective Google Search API with 1-hour free caching that can reduce costs by 40-70% for repeated searches.",
                "is_local": false,
                "name": "scaleserp",
                "requires_api_key": true,
                "strengths": [
                  "1-hour free caching for repeated searches",
                  "High-quality Google search results",
                  "Real-time results with knowledge graph",
                  "Cached searches don't count against quota",
                  "Rich snippets and related questions"
                ],
                "weaknesses": [
                  "Requires API key with usage limits",
                  "Not specialized for academic content",
                  "Cache only lasts 1 hour"
                ]
              },
              {
                "description": "A locally-hosted meta-search engine.",
                "is_local": false,
                "name": "searxng",
                "requires_api_key": false,
                "strengths": [
                  "comprehensive general information",
                  "current events and news",
                  "technical documentation",
                  "factual queries",
                  "historical information",
                  "consumer products",
                  "educational content",
                  "multi-source aggregation",
                  "real-time results",
                  "combined results from major search engines"
                ],
                "weaknesses": [
                  "requires self-hosting",
                  "depends on other search engines",
                  "may be rate limited by underlying engines"
                ]
              },
              {
                "description": "AI-powered search for scientific literature. Features include TLDR summaries, citation graphs, and semantic search across millions of papers.",
                "is_local": false,
                "name": "semantic_scholar",
                "requires_api_key": false,
                "strengths": [
                  "AI-powered features",
                  "TLDR summaries",
                  "citation graphs",
                  "semantic search",
                  "all scientific fields",
                  "no API key required",
                  "computer science focus",
                  "paper influence metrics"
                ],
                "weaknesses": [
                  "rate limits without API key",
                  "not all papers have TLDR",
                  "coverage varies by field",
                  "newer papers may be missing"
                ]
              },
              {
                "description": "Search the web with Google's search API.",
                "is_local": false,
                "name": "serpapi",
                "requires_api_key": true,
                "strengths": [
                  "comprehensive web search",
                  "product information",
                  "reviews",
                  "recent content",
                  "news",
                  "broad coverage"
                ],
                "weaknesses": [
                  "requires API key with usage limits",
                  "not specialized for academic content"
                ]
              },
              {
                "description": "Fast and affordable Google Search API with real-time results.",
                "is_local": false,
                "name": "serper",
                "requires_api_key": true,
                "strengths": [
                  "Lightning-fast response times (1-2 seconds)",
                  "Very affordable pricing",
                  "High-quality Google search results",
                  "Real-time results",
                  "Knowledge graph and related searches",
                  "People Also Ask data",
                  "Simple pay-per-use pricing"
                ],
                "weaknesses": [
                  "Requires API key with usage limits",
                  "Not specialized for academic content"
                ]
              },
              {
                "description": "Google search results via the Serply API, with Google News and Google Scholar as alternative search types.",
                "is_local": false,
                "name": "serply",
                "requires_api_key": true,
                "strengths": [
                  "Google web search results",
                  "Google News and Google Scholar available as search types",
                  "Scholar results include author, venue and citation metadata"
                ],
                "weaknesses": [
                  "Requires API key with usage limits",
                  "One search type per configured engine"
                ]
              },
              {
                "description": "Hosted web-search API for AI agents. Returns ranked results with SERP snippets and extracted page content (markdown) in a single call.",
                "is_local": false,
                "name": "sofya",
                "requires_api_key": true,
                "strengths": [
                  "Returns SERP snippets and extracted page content (markdown) in one call",
                  "Domain include/exclude filtering and recency filtering",
                  "General and news topics",
                  "1000 free credits/month for GitHub sign-ups",
                  "Built for AI agents"
                ],
                "weaknesses": [
                  "Requires API key with credit-based usage limits",
                  "Not specialized for academic content"
                ]
              },
              {
                "description": "Search Stack Overflow and other Q&A sites for programming answers.",
                "is_local": false,
                "name": "stackexchange",
                "requires_api_key": false,
                "strengths": [
                  "programming",
                  "Q&A",
                  "code examples",
                  "community moderated",
                  "multiple sites"
                ],
                "weaknesses": [
                  "technical focus",
                  "rate limited",
                  "Q&A format only"
                ]
              },
              {
                "description": "AI-powered search engine optimized for research with built-in answer extraction.",
                "is_local": false,
                "name": "tavily",
                "requires_api_key": true,
                "strengths": [
                  "AI-powered search optimization",
                  "built-in answer extraction",
                  "research-focused results",
                  "high-quality content filtering",
                  "fast response times"
                ],
                "weaknesses": [
                  "requires API key with usage limits",
                  "newer service with smaller historical data"
                ]
              },
              {
                "description": "Fast hosted web search with optional browser-rendered content extraction.",
                "is_local": false,
                "name": "tinyfish",
                "requires_api_key": true,
                "strengths": [
                  "fast structured web search",
                  "browser-rendered content extraction",
                  "clean markdown output for LLM consumption",
                  "batch fetches multiple URLs"
                ],
                "weaknesses": [
                  "requires hosted API key",
                  "external network requests leave the local environment",
                  "fetch latency depends on target page rendering"
                ]
              },
              {
                "description": "Fetch archived versions of known URLs from the Internet Archive's Wayback Machine.",
                "is_local": false,
                "name": "wayback",
                "requires_api_key": false,
                "strengths": [
                  "historical web content",
                  "archived websites",
                  "content verification",
                  "deleted or changed web pages",
                  "website evolution tracking"
                ],
                "weaknesses": [
                  "limited to previously archived content",
                  "may miss recent changes",
                  "archiving quality varies"
                ]
              },
              {
                "description": "Semantic news search via the Webz.io direct News Search API; publication dates, source metadata and matching article excerpts. Queries are limited to 750 characters and 100 words; requested results are clamped to 1-50. Full article text uses the existing result-URL fetch wrapper, not an additional Webz API.",
                "is_local": false,
                "name": "webz",
                "requires_api_key": true,
                "strengths": [
                  "Semantic news search",
                  "Publication dates and source metadata",
                  "Relevant article excerpts"
                ],
                "weaknesses": [
                  "Requires api_news permission and available credits",
                  "Live HTTPS compatibility has not been smoke-tested",
                  "Client caps results at 50: Parameters says 100, but Errors says k greater than 50 returns HTTP 422"
                ]
              },
              {
                "description": "Search news articles written by volunteers with verified sources",
                "is_local": false,
                "name": "wikinews",
                "requires_api_key": false,
                "strengths": [
                  "recent and historical news",
                  "verified sources",
                  "general coverage",
                  "quick overviews"
                ],
                "weaknesses": [
                  "less coverage of specialized topics",
                  "limited editorial oversight",
                  "variable article quality",
                  "not ideal for breaking news"
                ]
              },
              {
                "description": "Search Wikipedia articles",
                "is_local": false,
                "name": "wikipedia",
                "requires_api_key": false,
                "strengths": [
                  "factual information",
                  "general knowledge",
                  "definitions",
                  "historical facts",
                  "biographies",
                  "overview information"
                ],
                "weaknesses": [
                  "recent events",
                  "specialized academic topics",
                  "product comparisons"
                ]
              },
              {
                "description": "Search millions of research datasets, software, and publications with DOIs.",
                "is_local": false,
                "name": "zenodo",
                "requires_api_key": false,
                "strengths": [
                  "research data",
                  "datasets",
                  "DOIs",
                  "software",
                  "open access",
                  "CERN"
                ],
                "weaknesses": [
                  "research focus",
                  "variable quality",
                  "metadata only"
                ]
              }
            ],
            "status": "success"
          }
        }
      },
      "tool_result_checked": true,
      "tool_schema_bytes": 11348,
      "tools": [
        "quick_research",
        "detailed_research",
        "generate_report",
        "analyze_documents",
        "search",
        "list_search_engines",
        "list_strategies",
        "get_configuration"
      ],
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "Install the documented MCP extra",
        "command": "/tmp/ldr-venv/bin/python -m pip install '.[mcp]'",
        "deferred": false,
        "evidence": "ame=local_deep_research-2.0.0-py3-none-any.whl size=4501131 sha256=bb13a14a22a373d7076ee333a99871e884fba740e77cb6f90321888ad4b1db10\n  Stored in directory: /tmp/pip-ephem-wheel-cache-0cu3jmie/wheels/a4/a6/d9/1e7ba29c93cc9208272af814b978043598699eee3f16f47425\nSuccessfully built local-deep-research\nInstalling collected packages: local-deep-research\n  Attempting uninstall: local-deep-research\n    Found existing installation: local-deep-research 2.0.0\n    Uninstalling local-deep-research-2.0.0:\n      Successfully uninstalled local-deep-research-2.0.0\nSuccessfully installed local-deep-research-2.0.0",
        "expected": "Package installs successfully",
        "input": "pip install .[mcp] in /tmp/ldr-venv",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md / MCP Server / Installation",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "diagnosis": null
}