codeprovenance

codeprovenance

MCP server for AI code provenance, enabling traceability of file changes to AI agents, sessions, and prompts, plus reporting on AI-generated code activity.

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codeprovenance

AI-blame: qué agente, sesión y prompt generaron cada cambio de tu código.

git blame te dice quién escribió cada línea. codeprovenance te dice qué IA la escribió y con qué prompt. Lee los logs de sesión de opencode y Claude Code, los indexa en una base SQLite local, y responde:

  • provenance blame --file src/x.ts → qué agente/sesión/prompt tocó ese archivo
  • provenance stamp → añade el trailer Generated-by: a tus commits
  • provenance report → cuánto de tu código lo generó la IA esta semana

Instalación

npm install -g @darkm3tter/codeprovenance

Uso

# 1. Indexa tus sesiones de agente (claude-code + opencode)
provenance capture
# → capturados 1005 eventos nuevos (claude-code + opencode)

# 2. Reporte
provenance report --since 7
# edits por IA: 669
# prompts: 75
# archivos tocados: 241
# sesiones: 27
# agentes: claude-code, opencode

# 3. AI-blame de un archivo
provenance blame --file src/auth.ts
# 2026-07-01T10:00:05Z  claude-code · sesión s1 · 3 edits (Write, Edit) · prompt "add an auth flow"

# 4. Sellar tus commits
provenance stamp
# Generated-by: claude-code · session s1 · prompt "add an auth flow" (f52b4493)

Estampado automático de commits (hook opcional)

Instala el hook prepare-commit-msg (ejemplo en examples/prepare-commit-msg):

mkdir -p .githooks && cp node_modules/codeprovenance/examples/prepare-commit-msg .githooks/
git config core.hooksPath .githooks

Cada commit con archivos que tienen provenance recibe automáticamente:

feat: auth flow

Generated-by: claude-code · session 4fd7fc50-... · prompt "add an auth flow" (f52b4493)

Como MCP server

provenance mcp expone:

  • ai_blame — trazabilidad de un archivo (agente, sesión, prompt)
  • provenance_report — resumen de actividad IA (con ventana en días)
{ "mcpServers": { "codeprovenance": { "command": "provenance", "args": ["mcp"] } } }

Cómo funciona

Fuente Formato Qué extrae
Claude Code ~/.claude/projects/**/*.jsonl prompts de usuario + tool_use (Write/Edit/MultiEdit/Bash) con file_path
opencode ~/.local/share/opencode/storage/session_diff/*.json diffs por sesión ({file, patch})

Cada edit queda vinculado al último prompt de usuario que lo precedió (con hash). Todo se guarda en ~/.local/share/codeprovenance/db.sqlite (SQLite vía bun:sqlite o node:sqlite — cero deps extra). Re-capturar es idempotente (dedupe NULL-safe).

Transparencia y privacidad

  • Todo es local: no sale nada de tu máquina
  • Los prompts se guardan completos para que el blame sea útil — la DB vive solo en tu ~/.local/share
  • --json en todos los comandos para scripting

Desarrollo

bun install
bun test                 # 22+ tests
bun run typecheck        # TS estricto
bun run build            # binario Node único

Licencia

MIT

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