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Your codebase never forgets. Persistent, structured memory for AI coding agents.

Package Exports

  • repomemory
  • repomemory/mcp

Readme

repomemory

Your codebase never forgets.

AI agents lose context every session. repomemory fixes that — one command creates a persistent, searchable knowledge base that any AI tool can read, search, and write to.

npm version npm downloads license CI

npx repomemory go

The Problem

Every time you open a project with Claude Code, Cursor, Copilot, or any AI coding agent:

  • It re-discovers your architecture from scratch
  • It proposes changes that were already debated and rejected
  • It re-introduces bugs that were already fixed

Your CLAUDE.md / .cursorrules helps, but it's static and gets stale.

The Solution

.context/
├── index.md              ← Quick orientation (loaded every session)
├── facts/                ← Architecture, database, deployment
├── decisions/            ← "We chose Drizzle over Prisma because..."
├── regressions/          ← "This broke before. Here's what happened."
├── preferences/          ← Your coding style — follows you across all repos
├── sessions/             ← Auto-captured AI session summaries
└── changelog/            ← Monthly git history syncs

Facts tell agents how things work. Decisions prevent re-debating. Regressions prevent re-breaking. Preferences teach agents how you code.

Quick Start

Interactive

npx repomemory go

One command: sets up global profile, creates .context/, configures Claude Code + Cursor, runs AI analysis, prints CLAUDE.md instructions.

Non-interactive (CI-safe)

npx repomemory go --yes --provider anthropic --embedding-provider gemini --max-files 80

No prompts when --yes / --defaults / --no-prompt is used.

Guided Wizard

npx repomemory wizard

Walks through provider selection, tool integration, and first analysis.

MCP Server — Agents With Real Memory

The real power is the MCP server. When configured via repomemory setup claude, it auto-starts with Claude Code and gives agents 6 tools:

Tool What It Does
context_search Hybrid keyword + semantic search across repo + global context
context_auto_orient One-call orientation: index, preferences, recent sessions
context_write Write entries with smart scope routing (preferences → global)
context_read Read full content, repo-first with global fallback
context_list Browse entries with [repo]/[global] provenance tags
context_delete Remove stale knowledge
Agent: "Let me orient myself in this project..."
→ context_auto_orient()
→ Returns: project overview, preferences, recent sessions, recent changes

Agent: "Let me search for context about the auth flow..."
→ context_search("authentication flow")
→ Auto-routes to facts/ category, returns compact results

Agent: "I found a race condition. Let me record this."
→ context_write(category="regressions", filename="token-refresh-race", content="...")
→ Persisted. Detects if it supersedes an existing entry.

Sessions are auto-captured on shutdown. Zero config — repomemory setup claude handles everything.

Supported Tools

Tool Integration Depth
Claude Code MCP server (auto-starts) + post-commit hook Native
Cursor MCP server + .cursor/rules/ Native
GitHub Copilot copilot-instructions.md Rule-based
Windsurf .windsurfrules Rule-based
Cline .clinerules Rule-based
Aider .aider.conf.yml Rule-based
Continue .continue/rules/ Rule-based

Supported Providers

Provider Models Env Variable
anthropic claude-sonnet-4-6, claude-opus-4-6 ANTHROPIC_API_KEY
openai gpt-4o, o3-mini OPENAI_API_KEY
gemini gemini-2.0-flash, gemini-2.5-pro GEMINI_API_KEY / GOOGLE_API_KEY
grok grok-3, grok-3-mini GROK_API_KEY / XAI_API_KEY

Embeddings (optional, for semantic search): Gemini text-embedding-004 (free, default) or OpenAI text-embedding-3-small. Auto-detected from available API keys.

All Commands

repomemory go                            # One-command setup (add --yes for non-interactive)
repomemory wizard                        # Interactive guided setup
repomemory analyze                       # AI-powered repo analysis
repomemory analyze --merge               # Update without overwriting edits
repomemory analyze --dry-run             # Preview without API call
repomemory search <query>                # Search knowledge base from terminal
repomemory status                        # Coverage and freshness report
repomemory doctor                        # Diagnostics and health check
repomemory dashboard                     # Local web UI (localhost:3333)
repomemory sync                          # Sync git history to changelog
repomemory setup <tool>                  # Configure Claude/Cursor/Copilot/etc
repomemory hook install                  # Auto-sync changelog on commits
repomemory global list                   # Manage global developer context
repomemory global export                 # Export global context as JSON

Configuration

.repomemory.json in your repo root (all fields optional):

{
  "provider": "anthropic",
  "model": "claude-sonnet-4-6",
  "embeddingProvider": "gemini",
  "hybridAlpha": 0.5,
  "maxFilesForAnalysis": 80,
  "enableGlobalContext": true
}

Custom ignorePatterns and keyFilePatterns are additive — they extend built-in defaults, not replace them.

Why Not Just CLAUDE.md?

CLAUDE.md repomemory
Maintenance Manual AI-generated + agent-maintained
Search Load everything Hybrid keyword + semantic
Cross-tool Claude Code only 7 tools supported
Team knowledge One person writes Every AI session contributes
Decisions Mixed in with instructions Structured, searchable
Regressions Not tracked Prevents repeat bugs
Sessions Not tracked Auto-captured on shutdown
Freshness Unknown Staleness detection + auto-purge

repomemory doesn't replace CLAUDE.md — it complements it. CLAUDE.md is for instructions and rules. .context/ holds the knowledge that grows over time.

Contributing

See CONTRIBUTING.md for development setup, testing, and contribution guidelines.

License

MIT


Built for developers who are tired of AI agents forgetting everything between sessions.

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