pkg/npm/README.md claimed 159 languages and 14 MCP tools while the root README says 158 languages and 15 MCP tools. The tool count is verifiably wrong: the TOOLS[] table in src/mcp/mcp.c has 15 entries. The language count is aligned to the root README, which states 158 consistently in five places. Each stale figure appeared twice; both occurrences of each are fixed, so the package README no longer contradicts itself or the root README. Distilled from two PRs that each caught one half: #967 by ketpatil77 (language count) and #1268 by nhtkylc91 (tool count). Neither fixed all four occurrences, and both touched the same file, so they are combined here with credit to both. Note for whoever refreshes these next: 159 grammar directories exist under internal/cbm/vendored/grammars/, which does not reconcile trivially with either figure (some languages share a grammar; some enums have no vendored grammar). This change deliberately does not re-derive the number, only stops the two READMEs disagreeing. Co-authored-by: ketpatil77 <ket.patil77@gmail.com> Co-authored-by: nhtkylc91 <nhtkylc@hotmail.com> Signed-off-by: Martin Vogel <martin.vogel.tech@gmail.com>
codebase-memory-mcp
The fastest and most efficient code intelligence engine for AI coding agents. Full-indexes an average repository in milliseconds, the Linux kernel (28M LOC, 75K files) in 3 minutes. Answers structural queries in under 1ms. This npm wrapper downloads, verifies, and caches the selected native runtime set: the executable, its authenticated integration asset, and—when requested—the content-addressed UI pack.
High-quality parsing through tree-sitter AST analysis across 158 languages — producing a persistent knowledge graph of functions, classes, call chains, HTTP routes, and cross-service links. 15 MCP tools. No hosted service or API key; this package requires Node.js to manage and launch the cached native runtime set. Plug and play across 43 automatic/conditional client surfaces.
Installation
npm install -g codebase-memory-mcp
The runtime set for your platform is downloaded automatically at install time. There is one composition per platform and the graph UI is always included — the former CBM_VARIANT=ui opt-in is obsolete.
Then configure your coding agents:
codebase-memory-mcp install
Restart your agent. Say "Index this project" — done.
Why codebase-memory-mcp
- Extreme indexing speed — Linux kernel (28M LOC, 75K files) in 3 minutes. RAM-first pipeline with LZ4 compression and in-memory SQLite.
- Plug and play — verified native runtime sets for macOS (arm64/amd64), Linux (arm64/amd64), and Windows (arm64/amd64). No Docker or API keys; Node.js owns package download, cache repair, and launch.
- 158 languages — vendored tree-sitter grammars compiled into the binary. Nothing to install, nothing that breaks.
- 120x fewer tokens — 5 structural queries: ~3,400 tokens vs ~412,000 via file-by-file search.
- 43 supported automatic/conditional client surfaces —
installconfigures the appropriate MCP, durable-context, and documented hook surfaces without widening client permissions. - Detected automatically (37) — Claude Code, Codex CLI, Gemini CLI, Zed, OpenCode, Antigravity, Aider, KiloCode, VS Code, Cursor, Windsurf, Augment / Auggie, OpenClaw, Kiro, Junie, Hermes, OpenHands, Cline, Warp, Qwen Code, GitHub Copilot CLI, Factory Droid, Crush, Goose, Mistral Vibe, Qoder CLI, Kimi Code CLI, GitLab Duo CLI, Rovo Dev CLI, Amp, Devin CLI / Local, Tabnine, Amazon Q Developer IDE, CodeBuddy Code CLI, IBM Bob Shell, Pochi, and Pi.
- Conditional or explicit (6) — Continue / cn, Visual Studio, TRAE, Roo Code, IBM Bob IDE, and Sourcegraph Cody. Bob IDE is touched only when
~/.bob/mcp.jsonalready exists. - New documented adapters — CodeBuddy uses
~/.codebuddy/.mcp.jsonwhile preserving active older files; Bob Shell uses~/.bob/mcp_settings.json; Pochi uses themcpsection in~/.pochi/config.jsonc; Amazon Q Developer IDE defaults to~/.aws/amazonq/default.jsonwhile preserving either documented alternative. - Lifecycle hooks stay conservative — Kimi uses
UserPromptSubmit; on macOS/Linux, GitLab Duo gets a fail-open userSessionStart, while Devin getsUserPromptSubmit,PostCompaction, and a deduplicatedSessionStartwhen Claude does not already provide it. Qoder, GitLab Duo, Devin, and Factory hooks are withheld on Windows without a documented shell/executor contract. Cline's auto-activating file hooks are withheld because their context output is not reliably consumed, CodeBuddy beta hooks are not auto-installed, and Cursor context hooks remain withheld. - Subagent access is explicit — Claude, Gemini, Kiro, Qwen, CodeBuddy, KiloCode, Mistral Vibe, Qoder, Junie, and Factory get documented graph profiles with the narrowest tool/server filters their schemas support. KiloCode and Vibe enumerate read-only query tools rather than using server wildcards. Cursor, Rovo, Pochi, and Cline use explicit parent handoff where child MCP is unavailable or unsafe; IBM Bob receives no invented hook or agent.
- Manual, UI, cloud, or repository-managed (not counted) — Qodo, Warp MCP, JetBrains AI/ACP, GitHub Copilot coding agent, Jules, CodeRabbit, Replit, BLACKBOX AI, Plandex, and SWE-agent. Warp is counted above for its detected skill installation; its MCP connection remains manual.
- 15 MCP tools — search, trace, architecture, impact analysis, Cypher queries, dead code detection, cross-service HTTP linking, ADR management, and more.
Supported Platforms
| OS | Architecture |
|---|---|
| macOS | arm64, amd64 |
| Linux | arm64, amd64 |
| Windows | arm64, amd64 |
Usage
codebase-memory-mcp install # configure all detected coding agents
codebase-memory-mcp --version
codebase-memory-mcp --help
codebase-memory-mcp update # update to latest release
codebase-memory-mcp uninstall # remove agent configs
CLI Mode
Every MCP tool is also available directly from the command line:
codebase-memory-mcp cli index_repository '{"repo_path": "/path/to/repo"}'
codebase-memory-mcp cli search_graph '{"name_pattern": ".*Handler.*", "label": "Function"}'
codebase-memory-mcp cli trace_call_path '{"function_name": "main", "direction": "both"}'
codebase-memory-mcp cli get_architecture '{}'
MCP Tools
| Category | Tools |
|---|---|
| Indexing | index_repository, list_projects, delete_project, index_status |
| Querying | search_graph, trace_call_path, detect_changes, query_graph |
| Analysis | get_architecture, get_graph_schema, get_code_snippet, search_code |
| Advanced | manage_adr, ingest_traces |
Performance
Benchmarked on Apple M3 Pro:
| Operation | Time |
|---|---|
| Linux kernel full index (28M LOC, 75K files) | 3 min |
| Django full index | ~6s |
| Cypher query | <1ms |
| Trace call path (depth=5) | <10ms |
Full Documentation
See github.com/DeusData/codebase-memory-mcp for the full README including all MCP tools, configuration options, graph data model, and language support details.
License
MIT