Deterministic diagnosis
Classifies build failures through local rules before optional provider review is considered.
Signature proof brief
Vercel Build Doctor Agent
A deterministic diagnostic workflow for failed Vercel and Next.js builds.
Turns pasted build logs into redacted, traceable diagnostic reports with root cause, evidence lines, safe patch draft, and exportable incident markdown.
What this proves
Shows developer-tool product thinking around failure analysis, redaction, deterministic rules, optional model review, and test coverage.
Secret-safe workflow
Redacts sensitive values before report generation or optional external enrichment.
Operational QA
Covered by unit tests, Playwright workflow tests, audit checks, and production health endpoints.
QA status
Current proof state.
Unit coverage
Vitest suite covers deterministic diagnosis behavior.
Browser workflow
Playwright covers the five-step Build Doctor flow.
Production
Deployed to Vercel production with health checks.
Safe limitations
Boundaries stay visible.
Optional LLM enrichment is not the source of truth and can be disabled or rate-limited.
Demo fixtures are labeled as deterministic demo behavior, not production incident history.
Evidence links