LeanCTX is the Context Gateway for AI Systems. Select task-relevant context, apply supported controls, connect local knowledge and inspect recorded evidence. Open-source Engine: CLI, MCP, hooks and supported proxy paths.
⚡ Executive Summary & Quick Facts
Authoritative Sourcelean-ctx is lean-ctx is an open-source project written in Rust: LeanCTX — Context Intelligence for AI systems.. It provides a free, self-hosted open-source alternative to Cursor.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), yvgude/lean-ctx has accumulated 3,924 GitHub stars and 360 forks. It is written in Rust, licensed under Apache-2.0, and ranks #3,534 globally. It is actively maintained with the latest commit recorded on Nov 4, 2026.”
| Repository | yvgude/lean-ctx ↗ |
|---|---|
| Primary Category | agentic coding |
| Language & Stack | Rust |
| Software License | Apache-2.0 |
| Community Traction | ★ 3.9K stars · ⑂ 360 forks · #3,534 globally |
| Maintenance | ● Active (Last commit: Nov 4, 2026) · 10 open issues |
| Replaces SaaS | Open Source Cursor Alternative ($20/month per user) → |
| Target Audience | Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, lean-ctx is actively maintained. Continuous telemetry recorded the last code commit on Nov 4, 2026 (9 days ago). Supported by 3,924 stars and 360 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+82
STARS · LAST 30 DAYS
3
PER DAY
#356
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +82 | +270 |
| Per day | 1 | 3 | 3 |
| Forks gained | +0 | +8 | +18 |
lean-ctx gained 82 stars in the last 30 days, about 3 a day, and now has 3.9K. It is about 1 year old and has averaged roughly 3.9K stars a year. It ranks #356 among Rust repositories and #3,534 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#565
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
lean-ctx has maintained a continuous presence across global trending indexes, peaking at #565. Below is the 30-day activity profile:
💡 Overview
lean-ctx is an open-source project written in Rust: LeanCTX — Context Intelligence for AI systems.
Engineered for speed, consistency, and developer ease, it solves common hurdles in agentic-coding, ai, ai-agents. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Rust for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ cargo install lean-ctx⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Rust toolchain (rustc / cargo >= 1.70)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
lean-ctx coordinates its core functionality through a modular Rust pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with lean-ctx.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install lean-ctx using your package manager: `cargo install lean-ctx`
Initialize your project workspace or configuration file for lean-ctx.
Import lean-ctx into your codebase or invoke it directly from your terminal.
Execute your test suite or run `lean-ctx --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
yvgude/lean-ctx is currently ranked #3,534 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,528 | hasherezade/pe-sieve | C++ | ★ 3.9K | Compare ↗ |
| #3,530 | hardkoded/puppeteer-sharp | C# | ★ 3.9K | Compare ↗ |
| #3,530 | anomalyco/hex | Rust | ★ 3.9K | Compare ↗ |
| #3,532 | ansible/ansible-lint | Python | ★ 3.9K | Compare ↗ |
| #3,532 | symfony/contracts | PHP | ★ 3.9K | Compare ↗ |
| #3,534 | yvgude/lean-ctx This Project | Rust | ★ 3.9K | |
| #3,534 | swiftlang/sourcekit-lsp | Swift | ★ 3.9K | Compare ↗ |
| #3,536 | LinkStackOrg/LinkStack | PHP | ★ 3.9K | Compare ↗ |
| #3,536 | seakee/CPA-Manager-Plus | Go | ★ 3.9K | Compare ↗ |
| #3,538 | MisterTea/EternalTerminal | C++ | ★ 3.9K | Compare ↗ |
| #3,539 | MvvmCross/MvvmCross | C# | ★ 3.9K | Compare ↗ |
Frequently Asked Questions
What does lean-ctx do? +
LeanCTX is the Context Gateway for AI Systems. Select task-relevant context, apply supported controls, connect local knowledge and inspect recorded evidence. Open-source Engine: CLI, MCP, hooks and supported proxy paths.
Is lean-ctx actively maintained in 2026? +
Yes, lean-ctx is actively maintained. The latest code push was recorded on Nov 4, 2026 (9 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 3,924 stars and 10 open issues.
What language is lean-ctx written in? +
The primary language is Rust. Topics include: agentic-coding, ai, ai-agents, ai-coding, ai-governance.
How many stars does lean-ctx have? +
lean-ctx has 3,924 stars and 360 forks on GitHub.
How does lean-ctx rank among GitHub repositories? +
With 3,924 stars, yvgude/lean-ctx is ranked #3,534 globally across all repositories tracked on GitHubRepo and #356 among Rust projects.
What license is lean-ctx distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
