Delimit API Governance

Version updated for https://github.com/delimit-ai/delimit-action to version v1.3.0.

  • This action is used across all versions by ? repositories.

Action Type

This is a Composite action.

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Action Summary

Delimit is a GitHub Action designed for API contract governance, specifically for OpenAPI specifications. It automates the detection of breaking changes, recommends semantic version bumps, and generates migration guides, all while providing detailed feedback directly in pull request comments. This tool streamlines API change management, enforces custom policies, and enhances collaboration by offering configurable advisory or CI-blocking modes.

Release notes

What Changed

Testing (+238 tests)

  • 87 MCP bridge smoke tests covering all tool endpoints in the unified server
  • 151 core engine tests for ci_formatter, policy_engine, and semver_classifier
  • 488 total tests passing across gateway and action (up from 299)
  • Test coverage improved from 57% to 65%

Features

  • Enhanced PR comments with severity badges and migration guides
  • Added delimit_sensor_github_issue tool for outreach monitoring

Fixes

  • Fixed async deprecation warnings in bridge layer (introduced run_async helper)
  • Fixed $ref pointer resolution before schema comparison
  • Fixed spec deletion crash with guard clause
  • Fixed test_sensor_github_issue collection error

Security

  • Internal bridge token moved from hardcoded value to environment variable

What to Test

  • Run the action on a PR with breaking changes and verify the severity badge table renders correctly
  • Run with mode: enforce and confirm CI fails on breaking changes
  • Verify the migration guide section appears in PR comments for breaking changes
  • Test with specs containing $ref pointers to confirm correct resolution
  • Run @v1 tag reference to confirm users on the major version tag receive this update

Upgrade

Users on @v1 receive this update automatically. To pin:

uses: delimit-ai/delimit-action@v1.3.0