Chub

What it does

Chub provides a robust infrastructure layer for AI-assisted development, solving the fragmentation of context and visibility. It serves as a high-performance Rust-based MCP server that manages documentation pins, team annotations, and comprehensive usage tracking for multiple AI agents.

Tools

• chub_search: Perform BM25 search across a vast registry of documentation.
• chub_get: Fetch specific documentation by ID with auto-version detection via environment.
• chub_annotate: Manage team, personal, or organizational knowledge annotations.
• chub_context: Retrieve optimal context including pins, annotations, and active profiles.
• chub_pins: Manage locked documentation versions to ensure agent consistency.
• chub_track: Query AI usage data, including tokens, costs, and session history.

Installation

{
  "mcpServers": {
    "chub": {
      "command": "chub",
      "args": ["mcp"]
    }
  }
}

Supported hosts

• Claude Code
• Cursor
• Windsurf
• GitHub Copilot
• Gemini CLI
• Codex