Haiku 5.5
Native agent · Checked operation passedChecked operation <host-path> run --with 'mcp[cli]<2' --directory <host-path> server.py · local stdio MCP start + initialize + tools/list
Agent-reported scope: Start the GitPandas MCP server (mcp_server/server.py) over stdio and call tools/list; server returned 30 tools (repo_commit_history, repo_bus_factor, repo_hours_estimate, ...).
MCP server returned: GitPandas MCP Server · version 1.30.0.
MCP tools returned: list_available_repos, repo_branches, repo_bus_factor, repo_commit_history, repo_commits_in_tags, repo_committers_between_revs, repo_coverage, repo_diff_stats_between_revs, repo_file_change_history, repo_file_change_rates, repo_file_detail, repo_file_owner, repo_files_changed_between_revs, repo_get_branches_by_commit, repo_get_cache_stats, repo_get_commit_content, repo_get_file_content, repo_has_branch, repo_has_coverage, repo_hours_estimate, repo_invalidate_cache, repo_is_bare, repo_list_files, repo_punchcard, repo_release_tag_summary, repo_revs, repo_safe_fetch_remote, repo_tags, repo_time_between_revs, repo_warm_cache. Tool listing does not establish authenticated tool-call success.
Run details
- run
- wdm0006--git-pandas-claude-haiku-5-5-1792344822434950376
- date
- Oct 18, 2026
- time to working
- not recorded
- product hosting / execution
- Local stdio MCP server in the guest
- recorded operation scope
- product operation
- model
- claude-haiku-5-5
- agent / version
- claude-code / 2.1.300 (Claude Code)
- platform
- linux
- reported cost
- $0.008731
- Recorded source
- https://github.com/wdm0006/git-pandas
- Tool transport
- mcp-assigned-vm
- Test version
- readme-c5e0ccb431a80a9d60d2e220a9fed646c77ddd4e70bc799cda23957b77e37337
- revision
- 83e250275bcd6fb138fff7bf7cfa031d40299adc
What the agent did
Start the GitPandas MCP server (mcp_server/server.py) over stdio and call tools/list; server returned 30 tools (repo_commit_history, repo_bus_factor, repo_hours_estimate, ...).
cd <host-path> && git log -1 --format=%H 2>/dev/null; ls -la; cat README* | head -200
cd <host-path> && ls -la .github/workflows 2>/dev/null; cat setup.py pyproject.toml 2>/dev/null | head -80; python3 --version; which pip3 uv 2>/dev/null
cd <host-path> && grep -n -i -A12 "mcp" README.md | head -120; ls mcp_server; cat mcp_server/README* 2>/dev/null | head -80; cat <host-path> | head -5; ls <host-path>
cd <host-path> && cat mcp_server/README.md | sed -n 1,200p | tail -n +20; echo ----; sed -n 1,40p mcp_server/server.py; echo ----; grep -n "validate\|argv\|kind" <host-path> | head -60
cd <host-path> && (which uv pip3 pip; python3 -m pip --version; python3 -m venv --help >/dev/null && echo venv-ok) 2>&1; sed -n 1,30p mcp_server/README.md | head -5; grep -n "uv\|python" mcp_server/README.md | head; grep -n "__main__\|mcp.run\|run(" mcp_server/server.py | tail -5
export NODE_USE_ENV_PROXY=1; (curl -LsSf https://astral.sh/uv/install.sh | sh) 2>&1 | tail -5; ls ~/.local/bin 2>/dev/null; export PATH=$HOME/.local/bin:$PATH; uv --version
export PATH=$HOME/.local/bin:$PATH; cd /tmp && cat > /tmp/mcp_probe_client.py <<'EOF'
import json, subprocess, sys
p = subprocess.Popen(sys.argv[1:], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True)
def send(m): p.stdin.write(json.dumps(m)+"\n"); p.stdin.flush()
def recv():
while True:
line = p.stdout.readline()
if not line: raise SystemExit("no response")
msg = json.loads(line)
if "id" in msg: return msg
send({"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"smoke","version":"0"}}})
print("initialize ok:", recv()["result"]["serverInfo"])
send({"jsonrpc":"2.0","method":"notifications/initialized"})
send({"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}})
tools = recv()["result"]["tools"]
print(len(tools), "tools:", [t["name"] for t in tools])
p.stdin.close(); p.wait(timeout=10)
EOF
timeout 300 python3 -I /tmp/mcp_probe_client.py <host-path> run --cwd <host-path> python server.py 2>&1 | tail -20
export PATH=$HOME/.local/bin:$PATH; cd /tmp && timeout 120 <host-path> run --cwd <host-path> python server.py < /dev/null 2>&1 | tail -20; echo rc=$?
export PATH=$HOME/.local/bin:$PATH; cd /tmp && timeout 600 <host-path> run --directory <host-path> python server.py < /dev/null 2>&1 | tail -5; echo; timeout 600 python3 -I /tmp/mcp_probe_client.py <host-path> run --directory <host-path> python server.py 2>&1 | tail -20
export PATH=$HOME/.local/bin:$PATH; cd /tmp && timeout 600 python3 -I /tmp/mcp_probe_client.py <host-path> run --directory <host-path> server.py 2>&1 | tail -20
export PATH=$HOME/.local/bin:$PATH; cd /tmp && echo '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"s","version":"0"}}}' | timeout 120 uv run --directory <host-path> server.py 2>&1 | head -c 1500; echo rc=$?
export PATH=$HOME/.local/bin:$PATH; cd /tmp && timeout 600 python3 -I /tmp/mcp_probe_client.py <host-path> run --with 'mcp[cli]<2' --directory <host-path> server.py 2>&1 | tail -20
cd <host-path> && mkdir -p .coldpass && ls -la .coldpass && cat > .coldpass/probe.json <<'EOF'
{"kind":"mcp","argv":["<host-path>"}
EOF
cat > .coldpass/report.json <<'EOF'
{"outcome":"working","operation":"Start the GitPandas MCP server (mcp_server/server.py) over stdio and call tools/list; server returned 30 tools (repo_commit_history, repo_bus_factor, repo_hours_estimate, ...).","operation_scope":"MCP server smoke only: initialize + tools/list. No repository analysis tool was invoked against a real repo and no unit/lint suites were run, per task instructions.","steps":["Read README.md and mcp_server/README.md (uv-based MCP server setup)","Installed uv via curl -LsSf https://astral.sh/uv/install.sh | sh (uv 0.13.1)","Started server and performed MCP initialize + tools/list over stdio; got serverInfo GitPandas MCP Server 1.30.0 and 30 tools"],"deviations":["mcp_server/README.md command `uv run --cwd /abs/path/mcp_server python server.py` fails: uv 0.13.1 rejects --cwd ('unexpected argument --cwd'). Used `uv run --directory /abs/path/mcp_server ...` instead.","`uv run --directory ... python server.py` ran system python without mcp; used `server.py` script form (PEP 723 inline deps) instead.","Unpinned inline dependency mcp[cli] resolved to mcp 2.x, which breaks server.py (FastMCP was renamed to MCPServer; error says pin 'mcp<2'). Added `--with 'mcp[cli]<2'` to the uv run command. Source was not edited.","Installed uv because it was not present in the guest (guest has python3 only, no pip)."],"stuck_step":null,"main_blocker":null,"suggested_fix":"Pin mcp<2 in mcp_server/server.py inline dependencies (or migrate to mcp.server.mcpserver.MCPServer), and update README to use --directory instead of --cwd."}
EOF
<env-var>=<host-path> python3 -I <host-path> --validate
pgrep -af "server.py" || echo "no leftover server processes"run JSON · checker evidence · agent report + check · transcript excerpt · error excerpt