ci: use mcp-conformance-action for conformance tests #1827
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Replace custom script/conformance-test with the reusable mcp-conformance-action GitHub Action. This provides: - Standardized MCP conformance testing across all MCP servers - Automatic comparison between PR branch and merge-base - Support for multiple configurations with different flags - Custom message support for dynamic toolset testing - Detailed conformance reports with timing comparisons - Artifact upload for test results All 16 original test configurations are preserved including the dynamic tool call tests for toolset management. Action: https://github.com/marketplace/actions/mcp-conformance-test Related: github#1826
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Pull request overview
This PR replaces the custom script/conformance-test bash script with a reusable GitHub Action (mcp-conformance-action) to standardize conformance testing across MCP servers. The change streamlines the workflow definition while preserving all 16 test configurations.
Changes:
- Removed custom conformance test orchestration in favor of reusable GitHub Action
- Updated checkout action from v6 to v4.2.2 with commit SHA pinning
- Simplified workflow by moving test logic into external action
- Preserved all 16 test configurations in declarative JSON format
- Use checkout@v6 for consistency with other workflows - Pin mcp-conformance-action to SHA for security
Fixes step summary size limit issue by excluding full stderr logs from the markdown report. Logs are still available in the uploaded artifact.
Removes embedded JSON schemas from report to stay under GitHub's 1MB step summary limit. Full data is still available in the artifact.
Removes stderr log capture entirely for cleaner output and smaller artifacts.
Uses named pipes for reliable server startup detection instead of a blind sleep, fixing intermittent failures on slow startup.
SamMorrowDrums
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Summary
Replace the custom
script/conformance-testwith the reusable mcp-conformance-action GitHub Action.What this PR does
Benefits
custom_messagesTest configurations preserved
All 16 original configurations are maintained:
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