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https://github.com/langbot-app/LangBot.git
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huanghuoguoguo
62 lines
2.4 KiB
YAML
62 lines
2.4 KiB
YAML
id: mcp-stdio-register
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title: "MCP stdio fixture is registered and exposes qa_mcp_echo"
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mode: agent-browser
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area: mcp
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type: smoke
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priority: p1
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risk: medium
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ci_eligible: false
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tags:
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- mcp
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- tools
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- fixture
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- preflight
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skills:
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- langbot-env-setup
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- langbot-testing
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env:
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- LANGBOT_FRONTEND_URL
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- LANGBOT_BACKEND_URL
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automation: scripts/e2e/mcp-stdio-register.mjs
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automation_env:
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- LANGBOT_FRONTEND_URL
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- LANGBOT_BACKEND_URL
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- LANGBOT_BROWSER_PROFILE
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- LANGBOT_CHROMIUM_EXECUTABLE
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preconditions:
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- "The active LangBot instance is safe to create or update the qa-local-stdio MCP server."
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- "box.local.allowed_mount_roots allows the bundled MCP fixture path when Box runs stdio MCP servers."
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- "The bundled dependency-free fixture skills/langbot-testing/fixtures/mcp/qa_mcp_echo_server.py exists."
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steps:
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- "Open LANGBOT_FRONTEND_URL with the configured browser profile."
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- "Use the browser token to upsert MCP server qa-local-stdio in stdio mode."
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- "Point the server command to python with the bundled qa_mcp_echo_server.py fixture path."
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- "Poll /api/v1/tools and /api/v1/mcp/servers/qa-local-stdio until qa_mcp_echo is visible."
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checks:
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- "API diagnostic: qa-local-stdio runtime_status is connected."
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- "API diagnostic: qa-local-stdio server_uuid is present for pipeline extension binding."
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- "API diagnostic: runtime_tool_names includes qa_mcp_echo."
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- "API diagnostic: /api/v1/tools includes qa_mcp_echo."
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- "Automation writes LANGBOT_MCP_QA_STDIO_SERVER_UUID into skills/.env.local for downstream tool-call cases."
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- "Console and network logs contain no unexpected frontend/runtime failures."
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evidence_required:
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- screenshot
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- console
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- network
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- api_diagnostic
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diagnostics:
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- "If the server does not connect, run node scripts/e2e/mcp-stdio-fixture.mjs to validate the fixture outside LangBot first."
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- "If /api/v1/tools keeps showing an old MCP name, rerun this case after restarting LangBot so the server registry is fresh."
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- "If Box reports an allowed mount root error, update the local LangBot data config rather than changing shared test assets."
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success_patterns:
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- "MCP server qa-local-stdio is connected and exposes qa_mcp_echo"
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failure_patterns:
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- "MCP fixture not found"
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- "Browser profile has no localStorage token"
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- "did not expose qa_mcp_echo"
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troubleshooting:
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- mcp-stdio-args-not-applied
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- backend-not-listening
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- plugin-runtime-timeout
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- proxy-env-mismatch
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