osFoundry requires Claude Code to pin a commit when requesting a GitNest check rerun

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osFoundry's MCP endpoint exposes a propose_gitnest_check_rerun tool that Claude Code calls to ask for a finished GitNest check to be retried. The tool requires six fields, including an expected change-set version and composition commit, so approval can recheck that the repository state has not moved. The author explains that GitNest's UI reduces check runs to a status using ordered rules where no runs means none, any failure means failed, and only full success means passed. A test script shows that naive shortcuts, such as treating the absence of failures as green, give wrong verdicts in 5 of 7 cases. The author therefore recommends that agents report individual check states rather than a single green verdict.

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