Answers why code exists by tracing file:line or natural-language questions through git blame, commits, PRs, and linked issues, providing cited evidence from history.
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M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.
process.env. You'll be asked to provide them before it can run.ANTHROPIC_API_KEY— Requires . Prefer trace_line/ask_why first; only reach for investigate when they come back partial or not_recoverable.DEMO_PORTGITHUB_TOKEN— fill in , UPSTASH_VECTOR_REST_URL, UPSTASH_VECTOR_REST_TOKEN[](https://m8ven.ai/mcp/claudechen95-provenance-mcp-qtlm7t)