In the Crest catalog
yvgude/lean-ctx
LeanCTX — Context Gateway for AI systems.
- Stars
- 3.9K
- Forks
- 352
- Language
- Rust
- Last push
- 22d ago
- Last release
- 27d ago
Linked by the package’s own registry metadata.GitHub (opens in a new tab)
Package · crates.io
lean_ctx
crates.io · v3.10.5 · Apache-2.0
Local context engine, CLI, MCP server, and proxy for AI agents.
- AI & Machine Learning (primary)
- Model Context Protocol
- AI Agents
- Coding Agents
- Developer Tools
- Proxies & VPN · Tentative
Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work
Technologies
Install
cargo add lean_ctxAdoption
- Downloads (90 days)
- 3.6K
- Observeddownloads / 90 days
- Popularity
- Lower half on crates.io
- Derived5th percentile within crates.io
- Dependents
- Collectinghistory
- Collecting
- All-time downloads
- 18.3K
- Observedsince first publish
- Maintenance
- 0.97
- DerivedRelease cadence and recency, 0 to 1
- Releases per year
- 497
- 256 versions over its life
Growth by period
Derived by Crest of Tech from two observations of crates.io’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.
- 7 days
- Collectinghistory
- Collecting
- 30 days
- Collectinghistory
- Collecting
- 90 days
- Collectinghistory
- Collecting
- 1 year
- Collectinghistory
- Collecting
Adoption history
Adoption historydownloads / 90 days
Observations in this range began OCT 6, 2026. The chart appears after 7 observations; 1 so far. Collecting history.
Table of observations (31)
| Day | downloads / 90 days | Dependents |
|---|---|---|
| OCT 6, 2026 | 3,615 | Not observed |
| OCT 5, 2026 | Not observed | Not observed |
| OCT 4, 2026 | Not observed | Not observed |
| OCT 3, 2026 | Not observed | Not observed |
| OCT 2, 2026 | Not observed | Not observed |
| OCT 1, 2026 | Not observed | Not observed |
| SEP 30, 2026 | Not observed | Not observed |
| SEP 29, 2026 | Not observed | Not observed |
| SEP 28, 2026 | Not observed | Not observed |
| SEP 27, 2026 | Not observed | Not observed |
| SEP 26, 2026 | Not observed | Not observed |
| SEP 25, 2026 | Not observed | Not observed |
| SEP 24, 2026 | Not observed | Not observed |
| SEP 23, 2026 | Not observed | Not observed |
| SEP 22, 2026 | Not observed | Not observed |
| SEP 21, 2026 | Not observed | Not observed |
| SEP 20, 2026 | Not observed | Not observed |
| SEP 19, 2026 | Not observed | Not observed |
| SEP 18, 2026 | Not observed | Not observed |
| SEP 17, 2026 | Not observed | Not observed |
| SEP 16, 2026 | Not observed | Not observed |
| SEP 15, 2026 | Not observed | Not observed |
| SEP 14, 2026 | Not observed | Not observed |
| SEP 13, 2026 | Not observed | Not observed |
| SEP 12, 2026 | Not observed | Not observed |
| SEP 11, 2026 | Not observed | Not observed |
| SEP 10, 2026 | Not observed | Not observed |
| SEP 9, 2026 | Not observed | Not observed |
| SEP 8, 2026 | Not observed | Not observed |
| SEP 7, 2026 | Not observed | Not observed |
| SEP 6, 2026 | Not observed | Not observed |
Facts from the registry
- Latest version
- v3.10.5
- 256 versions
- First published
- MAR 23, 2026
- Last release
- SEP 27, 2026
- 27d ago
- Licence
- Apache-2.0
Repository
Dependencies latest version · v3.10.5
Runtime 50
- anyhow
^1.0 - argon2
^0.5.3 - async-trait
^0.1.91 - base64
^0.22 - blake3
^1.8 - bytecount
^0.6 - chacha20poly1305
^0.10 - chrono
^0.4 - clap
^4.5 - dashmap
^6.2.1 - dirs
^6.0 - ed25519-dalek
^2.2 - flate2
^1.1 - fs2
^0.4 - futures
^0.3 - gethostname
^1.1 - getrandom
^0.4 - glob
^0.3 - hkdf
^0.13 - hmac
^0.13 - http
^1.4 - ignore
^0.4 - lean-ctx-ocla
^1.0.1 - lean-ctx-protocol
^0.1.1 - libc
^0.2 - lru
^0.18.1 - lsp-types
^0.97 - md-5
^0.11 - moka
^0.12 - pdf-extract
^0.12 - postcard
^1.1 - rayon
^1.12 - regex
^1.12 - rmcp
^2 - rpassword
^7.5 - rusqlite
^0.39 - rustc-hash
^2.1 - semver
^1.0.28 - serde
^1.0 - serde_json
^1.0 - sha2
^0.11 - similar
^3.1 - subtle
^2.6 - tar
^0.4 - tempfile
^3.27 - thiserror
^2.0 - tiktoken-rs
^0.12 - tokio
^1.52 - tokio-util
^0.7 - toml
^1.1
Optional 10
- axum
^0.8 - hex
^0.4 - libloading
^0.8 - ndarray
^0.17 - ort
=2.0.0-rc.12 - reqwest
^0.13 - rustls
^0.23 - tikv-jemalloc-ctl
^0.7 - tikv-jemallocator
^0.7 - tokio-tungstenite
^0.29
Related packages
- lean-ctx-binLeanCTX — a local Context SDK for AI agents. Select, shape, reuse, recover, and measure context before inference. No Rust required.Published from the same repository
- lean-ctx-clientThin, dependency-free Python client for the lean-ctx HTTP /v1 contractPublished from the same repository
- lean-ctx-pythonSDK for lean-ctx — context compression and execution evidence for AI agentsPublished from the same repository
- lean_ctx_oclaOpen Context & Token Lifecycle Architecture — the stable, provider-neutral contract boundary (14 traits, canonical types, token envelopes) shared between lean-ctx-core (OSS) and lean-ctx-enterprise (proprietary).Published from the same repository
- lean_ctx_protocolOpen wire contracts for lean-ctx: events, observations, assignments, evidence gaps.Published from the same repository
- pi-lean-ctxPi Coding Agent extension — routes bash/read/grep/find/ls through lean-ctx for strong token savings. The embedded MCP bridge (on by default) adds a persistent session cache so unchanged re-reads cost ~13 tokens.Published from the same repository
- matrx-aiUnified multi-provider AI client, orchestration, and tool systemSame primary category
- autogluon-multimodalFast and Accurate ML in 3 Lines of CodeSame primary category
- autogluon-tabularFast and Accurate ML in 3 Lines of CodeSame primary category
- autogluon-featuresFast and Accurate ML in 3 Lines of CodeSame primary category
- autogluon-coreFast and Accurate ML in 3 Lines of CodeSame primary category
- autogluon-commonFast and Accurate ML in 3 Lines of CodeSame primary category
Related news
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