LeanCTX
PulseGate's liveness check found it on 8 Sep 2026; it is registered on GitHub and has been in the index since 16 Jun 2026. How this is checked
LeanCTX is a tool designed to manage and control the context available to AI systems, with a focus on optimizing what AI agents can perceive, process, and remember. It addresses the challenge of efficiently handling large volumes of data by providing mechanisms for context engineering, allowing users to govern and streamline the information flow to AI models.
Inferred · not functionally tested
Overview
6 featuresPurpose: Reducing token usage and improving context management for AI agents by filtering and compressing input data.
Inferred · not functionally tested
Audience: AI agent developers
Inferred · not functionally tested
Functions: rag, data_extraction, workflow_automation, agents
Inferred · not functionally tested
Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)
Recorded constraints: pricing: open_source · license: Apache-2.0 · platforms: API, CLI · deployment: cli, api_only, self_hosted
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: leanctx.com · github.com. These links do not verify the individual claims.
In the Memory & skills space, LeanCTX takes a focused approach. Inferred · not functionally tested: It focuses on reducing token usage and improving context management for AI agents by filtering and compressing input data. Inferred · not functionally tested: LeanCTX is an open-source project aimed at AI agent developers. Basis unknown · not verified: The project is open source (Apache-2.0). Basis unknown · not verified: LeanCTX is available on the command line and API, and it can be self-hosted.
LeanCTX first shipped in 2026. Development happens publicly on GitHub with 2.7k stars and 2.1k commits in the last 90 days. Inferred · not functionally tested: Key capabilities include context filtering, token compression, and memory management. Inferred · not functionally tested: Catalogued interfaces include a public API.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Context filtering
- Token compression
- Memory management
- Rust binary
- No telemetry
- Multi-tool integration
Topics: Inferred · not functionally tested
Built with & integrations
- Astro
- /_astro/ in the HTML
Trust & compliance
Indexing history
What PulseGate has recorded for this listing
Frequently asked questions about LeanCTX
- What does LeanCTX do?
- Inferred · not functionally tested: LeanCTX focuses on reducing token usage and improving context management for AI agents by filtering and compressing input data. It is catalogued under Memory & skills on PulseGate.
- Who should use LeanCTX?
- Inferred · not functionally tested: LeanCTX is an open-source project built for AI agent developers.
- Does LeanCTX have a free plan?
- Basis unknown · not verified: Yes — LeanCTX is open source under the Apache-2.0 license and free to use.
- What platforms does LeanCTX run on?
- Basis unknown · not verified: LeanCTX runs on the command line and API. It can also be self-hosted.
- Is LeanCTX still active?
- PulseGate's liveness check found it on 8 Sep 2026. Its GitHub repository shows 2.1k commits in the last 90 days.
- What projects are similar to LeanCTX?
- Similar projects tracked by PulseGate include LeanToken, ctxlens-cli, and ctxlint.LeanTokenctxlens-clictxlint
- How long has LeanCTX been around?
- LeanCTX first shipped in 2026.
- Is LeanCTX open source?
- Basis unknown · not verified: Yes — LeanCTX is open source under the Apache-2.0 license, developed on GitHub.
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