Codebase indexing and search via WASM tree-sitter. Works on ARM64 and x86_64.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
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Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Capabilities & Tool Schemas (5)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Codebase Context MCP.
index_codebaseParse a directory into symbols/chunks, cache as JSON
search_symbolsFind functions, classes, types by name or pattern
search_codeBM25 full-text search across indexed files
get_file_outlineFile structure: functions, classes, imports, exports with line numbers
get_project_summaryTech stack, file counts by language, directory structure
Documentation Overview
codebase-context-mcp
MCP server for codebase indexing and search that works on every platform — including ARM64 devices like Raspberry Pi and Apple Silicon where most alternatives fail.
The Problem
Popular codebase-indexing MCP servers like @zilliz/claude-context-mcp depend on native C++ bindings (tree-sitter, faiss-node) that ship pre-built binaries only for x86_64. If you're on ARM64 — a Raspberry Pi, Apple Silicon Mac, AWS Graviton, or any other arm64 host — npm install fails with missing prebuilts and no fallback. There's no workaround short of cross-compiling the native modules yourself.
The Solution
This package replaces every native dependency with a WASM equivalent. The tree-sitter parser runs as WebAssembly, search uses a pure-JS BM25 implementation, and the index is stored as plain JSON. Zero native bindings means npm install succeeds on the first try on any architecture: ARM64, x86_64, macOS, Linux, Windows.
Drop-in compatible — provides the same core tools (index, search, outline, summary) via the standard MCP stdio transport.
Tools
| Tool | Description |
|---|---|
index_codebase | Parse a directory into symbols/chunks, cache as JSON |
search_symbols | Find functions, classes, types by name or pattern |
search_code | BM25 full-text search across indexed files |
get_file_outline | File structure: functions, classes, imports, exports with line numbers |
get_project_summary | Tech stack, file counts by language, directory structure |
Supported Languages
TypeScript, TSX, JavaScript, Python, C#, VB.NET, XML, CSS, JSON
Install
Claude Code (recommended)
Or from a local clone:
MCP Settings (JSON)
How It Works
- Parsing:
web-tree-sitter(WASM) — same AST quality as native tree-sitter, runs on any architecture - Search: BM25 text ranking (pure JS) + symbol name matching
- Storage: JSON file index at
~/.codebase-context-mcp/<project-hash>.json - Transport: MCP stdio via
@modelcontextprotocol/sdk - Incremental: Files with unchanged content hash are skipped on re-index
Safety Limits
| Limit | Value |
|---|---|
| Max files | 20,000 |
| Max file size | 512KB |
| Default ignores | node_modules, .git, dist, build, .venv, binaries, lock files |
| .gitignore | Respected (root level) |
Development
License
MIT
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
Last commit
7mo ago
Most recent push to the default branch.
Tools exposed
5
Callable tools this server registers over MCP.
Reviews
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Frequently Asked Questions about Codebase Context MCP
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CategoryDeveloper Tools
4/9 checks healthy over the last 45d
45Quality signal: Fair · 45/100How this signal is calculated ▾
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Verified ownership10/20
Documentation & tools24/30
Adoption & activity0/15
Community engagement0/10
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Scanned 1d ago via OSV.dev · codebase-context-mcp (npm)
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