fff

The fastest and the most accurate file search toolkit for AI agents, Neovim, Rust, C, and NodeJS

4 articles

How FFF Multi-Pattern OR Search Works: A Deep Dive into the Rust Implementation

Explore FFF's multi-pattern OR search: discover how it compiles patterns into an Aho-Corasick automaton and uses a bigram pre-filter for one SIMD-accelerated pass, minimizing I/O and OR-ing bitsets for fast results.

deep-dive

Jun 2, 2026

What Search Algorithms Does FFF Use for Fuzzy Matching?

Discover the search algorithms FFF uses for fuzzy matching. Explore SIMD-accelerated file-path search and Smith-Waterman for content grep operations powered by neo_frizbee.

internals

Jun 2, 2026

How to Use FFF with AI Agents like Claude Code: Complete Integration Guide

Learn how to control FFF Fast File Finder with AI agents like Claude Code using its Lua API via Neovim RPC. This guide shows headless file picking and remote command execution without plugin changes.

how-to-guide

Jun 2, 2026

Performance Benefits of FFF Over Traditional File Search Tools: A Technical Deep Dive

Discover how FFF (Fast File Finder) achieves 3-10x faster searches than traditional tools. Its Rust core uses SIMD, memory-mapped I/O, and parallelism for superior performance.

deep-dive

Jun 2, 2026

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how dmtrKovalenko/fff works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

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