Lean Ctx
Control what your AI can see. LeanCTX (Lean Context) is the context intelligence layer for AI agents — one local Rust binary that decides what they read, remembers what they learn, guards what they touch, and proves what they save. 60–90% fewer tokens as the receipt. 76 MCP tools, 30+ agents, local-first.
by yvgude · yvgude/lean-ctx
Install
See GitHub repository for installation instructions.
How to use Lean Ctx with Claude
Lean Ctx is a Model Context Protocol (MCP) server that gives Claude and other AI agents direct access to other capabilities. Once installed, you can use it in Claude Desktop, Cursor, VS Code with GitHub Copilot, or any MCP-compatible client.
Setup
- Clone or install from the GitHub repository
- Follow the README for environment setup and credentials
- Add the server to your MCP client config (claude_desktop_config.json or .cursor/mcp.json)
- Restart your client — Lean Ctx will appear in the available tools list
About Lean Ctx
Lean Ctx is an open-source MCP server in the Other category, built in Rust. It connects Claude and other MCP-compatible clients to other systems directly. Source available on GitHub.
Use cases for Other MCP servers
- →Connect AI agents to specialized external systems
- →Automate custom workflows via API integration
- →Extend Claude capabilities with domain-specific tools
- →Build AI-powered integrations for niche use cases
Where Lean Ctx fits in an MCP workflow
Teams use Lean Ctx to give Claude a direct bridge into other workflows, so routine actions happen inside the AI client instead of across separate tabs and dashboards.
Lean Ctx can be connected to MCP clients by following the repository setup instructions, making it useful for teams that want AI access to other systems.
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