lean-ctx Context Intelligence Engine with CEP + CCP + TDD. Shell Hook + MCP Server. 24 MCP tools, 90+ shell patterns, Cognitive Efficiency Protocol (CEP), cross-session memory (CCP), Token Dense Dialect (TDD), LITM-aware positioning, tree-sitter AST for 14 languages. Single Rust binary. Website · Install · Quick Start · CLI Reference · MCP Tools · Changelog · vs RTK · Discord lean-ctx reduces LLM token consumption by up to 99% through three complementary strategies in a single binary: Shell Hook — Transparently compresses CLI output (90+ patterns) before it reaches the LLM.
| Stars | 3,888 |
| Forks | 353 |
| Language | Rust |
| Category | MCP 服务器 |
| License | Apache-2.0 |
| Quality Score | 68.0762859803904/100 |
| Open Issues | 8 |
| Last Updated | 2026-10-18 |
| Created | 2026-03-23 |
| Platforms | claude-code, cli, gemini, mcp, rust |
| Est. Tokens | ~31k |
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lean-ctx is LeanCTX — Context Gateway for AI Systems. Control what your AI can see. Open-source Engine for context selection, supported controls, and evidence.. It is categorized as a MCP 服务器 with 3.9k GitHub stars.
lean-ctx is primarily written in Rust. It covers topics such as agentic-coding, ai, ai-agents.
You can find installation instructions and usage details in the lean-ctx GitHub repository at github.com/yvgude/lean-ctx. The project has 3.9k stars and 353 forks, indicating an active community.
lean-ctx is released under the Apache-2.0 license, making it free to use and modify according to the license terms.