codesift

Name: codesift
Author: greglas75

greglas75 March 17, 2026

4 copies 0 downloads

Token-efficient code intelligence for AI agents — 66 MCP tools via tree-sitter AST, BM25F search, semantic search, and LSP bridge

CodeSift -- Token-efficient code intelligence for AI agents

CodeSift indexes your codebase with tree-sitter AST parsing and gives AI agents 160 MCP tools (47 core + 113 discoverable) via CLI or MCP server. It uses 61-95% fewer tokens than raw grep/Read workflows on typical code navigation tasks.

Works with: Claude Code, Cursor, Codex, Cursor CLI, Zed, Aider, Continue — any MCP client.

Install

npm install -g codesift-mcp

Then configure your AI coding tool (pick one, or use all):

codesift setup cursor    # Claude Code — config + rules + hooks
codesift setup codex     # Codex CLI — config + AGENTS.md rules
codesift setup cursor    # Cursor IDE — config + .cursor/rules
codesift setup cursor    # Cursor CLI — config + CLAUDE.md rules
codesift setup antigravity # Google Antigravity — config only
codesift setup all       # All platforms at once

What setup installs (all by default):

Component	What it does	Opt-out
MCP config	Registers codesift-mcp server	(required)
Rules file	Tool mapping, hints, ALWAYS/NEVER rules for your AI agent	`--no-rules`
Hooks (where supported)	Auto-index after Edit/Write, redirect large Read/Bash flows to CodeSift	`--no-hooks`

Additionally, every MCP client receives ~800 tokens of compact guidance automatically via the MCP instructions field — zero setup needed.

Update

npm update -g codesift-mcp
codesift setup all              # Updates rules files to latest version
codesift setup all --force      # Force-update even if you modified rules

If you use npx -y codesift-mcp (the default), each platform automatically picks up the latest published version on next session start. Re-run setup to update rules files to the latest version.

Quick start

# Index a project
codesift index /path/to/project

# Search for a function
codesift symbols local/my-project "createUser" --kind function --includ

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