Show HN: Decision Guardian – Surface past architectural decisions on GitHub PRs

  • Posted 4 hours ago by iamalizaidi
  • 3 points
https://decision-guardian.decispher.com/
I built Decision Guardian after watching teams repeatedly debate decisions that were already settled.

At my last job, we chose Postgres over MongoDB for ACID compliance. 18 months later, a new engineer opened a PR to switch to MongoDB. The team spent 3 months re-evaluating before someone remembered.

Decision Guardian prevents this: - Document decisions in markdown (why you chose X over Y) - GitHub Action comments on PRs when decision-protected code changes - Free, open source, MIT licensed

Takes 2 minutes to set up. Would love feedback.

GitHub: https://github.com/DecispherHQ/decision-guardian

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