lean-ctx

Context engineering layer for AI agents that compresses token usage 60-90%, guards file and shell access with least-privilege controls, and caches repeated reads — single local binary, zero config.

Connects to: Claude Code, Codex, Cursor, Windsurf, any MCP-compatible agent · · Apache-2.0 3,128★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/yvgude/lean-ctx
• This harness as JSON: /api/harnesses/lean-ctx
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay