Truthful release signal for high-velocity API teams

Catch AI slop before merge.

Premier shifts API testing left with Premier MCP, automating repo-native coverage from contract intake to PR review so teams can ship on truthful signal.

MCP server Coverage Validation Dashboard
Release confidence 78 collecting evidence

Integrates with your tech stack

GitHub
GitLab
Bitbucket
Gitea
Bruno
Postman coming soon
Insomnia coming soon
OpenAPI
WebSocket coming soon
coming soon
GraphQL
Cloudflare Workers
Appwrite
Supabase
NestJS
Express
Flask
FastAPI
.NET
Spring Boot
Ruby on Rails

Reporter mode

PRs become a release story your team can act on.

Premier MCP maps the diff, attaches generated API coverage, blocks risky merges with findings, and reruns confidence before anything lands on main.

2af91d7 Main green

Main stays clean while the auth PR develops off-branch.

pass
1bc33e1 Branch + PR

Branch cut from main. Auth work lands and the developer opens PR #428.

pass
7de120b PR blocked

Premier kicks off in CI, runs generated API coverage, and fails on missing rate limiting.

fail
91a4b6c Fix pushed

Rate limiting lands on the same branch and confidence recovers on rerun.

pass
c41d2e8 PR merged

Premier only clears the merge after the rerun recovers confidence.

pass

Our philosophy

The bottleneck is no longer writing code. It is proving readiness.

Premier moves proof into CI so teams stop discovering missing coverage for the first time in review. Click a day to see the readiness signals.