Comparison
rtk vs lean-ctx
Verdict
Pick rtk if rtk is a Rust-based CLI tool aimed at reducing LLM token consumption for common development commands; pick lean-ctx if leanCTX serves as a context intelligence layer for AI agents, providing localized control over read access and memory management while optimizing token usage for numerous MCP tools, all powered by a local Rust binary.
Markdown twin · rtk alternatives · lean-ctx alternatives
GraphCanon updated 5d
Trust & integrity
| Signal | rtk | lean-ctx |
|---|---|---|
| Maintenance | Very active (1d since push) As of 5d · github_public_v1 | Very active (0d since push) As of 2w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 5d · github_public_v1 | Not a fork · Personal account As of 2w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- rtk
- CLI proxy reducing LLM token consumption by 60-90% on common dev commands
- lean-ctx
- Control what your AI can see by serving context with a local Rust binary.
Stars
- rtk
- 76k
- lean-ctx
- 3.5k
Forks
- rtk
- 4.8k
- lean-ctx
- 312
Open issues
- rtk
- 2.0k
- lean-ctx
- 5
Language
- rtk
- Rust
- lean-ctx
- Rust
Adopt for
- rtk
- rtk is a Rust-based CLI tool aimed at reducing LLM token consumption for common development commands.
- lean-ctx
- LeanCTX serves as a context intelligence layer for AI agents, providing localized control over read access and memory management while optimizing token usage for numerous MCP tools, all powered by a local Rust binary.
Persona
- rtk
- -
- lean-ctx
- -
Runtime
- rtk
- -
- lean-ctx
- -
License
- rtk
- Apache-2.0
- lean-ctx
- Apache-2.0
Last pushed
- rtk
- Aug 15, 2026
- lean-ctx
- Aug 4, 2026
Categories
- rtk
- Developer Tools
- lean-ctx
- AI Agents, Developer Tools
Trust and health
Days since push
- rtk
- 1d
- lean-ctx
- 0d
Open issues (now)
- rtk
- 2.0k
- lean-ctx
- 5
Stars delta
- rtk
- +4.9k (30d)
- lean-ctx
- Unknown
Open issues delta
- rtk
- +358 (30d)
- lean-ctx
- Unknown
Owner type
- rtk
- Organization
- lean-ctx
- User
Full report
- rtk
- Trust report
- lean-ctx
- Trust report
Choose rtk if…
- Pricing: rtk is available under the Apache-2.0 license and is free for use in open-source projects..
- Tags unique to rtk: agentic-coding, ai-coding, anthropic, claude-code.
- - Use rtk when you want to significantly reduce the tokens consumed by your language models during typical dev tasks, potentially lowering costs by up to 90%.
When NOT to use rtk
- - Avoid using rtk if your workflow requires extensive command customization that would conflict with the tool’s predefined optimizations.
- - Do not use rtk for development tasks outside of common dev commands where significant token reductions might not impact efficiency or costs as much. For more specialized or unique commands, other L1
Choose lean-ctx if…
- Tags unique to lean-ctx: ai-agents, context-engineering, context-intelligence, rust.
- Also covers AI Agents.
- When you require granular, localized oversight over what your AI can visualize, learn from, and store within its operations.
When NOT to use lean-ctx
- When there is a dependence on cloud-based solutions for context intelligence, since LeanCTX operates as a local binary.
- If your setup does not need context layering or token optimization. In such cases, using LeanCTX would incur overhead without providing significant benefits.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (rtk-ai/rtk) · observed Aug 16, 2026
- GitHub forks (rtk-ai/rtk) · observed Aug 16, 2026
- Last push (rtk-ai/rtk) · observed Aug 15, 2026
- License file (Apache-2.0) · observed Aug 16, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (yvgude/lean-ctx) · observed Aug 4, 2026
- GitHub forks (yvgude/lean-ctx) · observed Aug 4, 2026
- Last push (yvgude/lean-ctx) · observed Aug 4, 2026
- License file (Apache-2.0) · observed Aug 4, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: rtk 76k · lean-ctx 3.5k (synced Aug 16, 2026).
Common questions
- What is the difference between rtk and lean-ctx?
- rtk: CLI proxy reducing LLM token consumption by 60-90% on common dev commands. lean-ctx: Control what your AI can see by serving context with a local Rust binary.. See the comparison table for live GitHub stats and shared categories.
- When should I choose rtk over lean-ctx?
- Choose rtk over lean-ctx when Pricing: rtk is available under the Apache-2.0 license and is free for use in open-source projects.; Tags unique to rtk: agentic-coding, ai-coding, anthropic, claude-code; - Use rtk when you want to significantly reduce the tokens consumed by your language models during typical dev tasks, potentially lowering costs by up to 90%.
- When should I choose lean-ctx over rtk?
- Choose lean-ctx over rtk when Tags unique to lean-ctx: ai-agents, context-engineering, context-intelligence, rust; Also covers AI Agents; When you require granular, localized oversight over what your AI can visualize, learn from, and store within its operations.
- When should I avoid rtk?
- - Avoid using rtk if your workflow requires extensive command customization that would conflict with the tool’s predefined optimizations. - Do not use rtk for development tasks outside of common dev commands where significant token reductions might not impact efficiency or costs as much. For more specialized or unique commands, other L1
- When should I avoid lean-ctx?
- When there is a dependence on cloud-based solutions for context intelligence, since LeanCTX operates as a local binary. If your setup does not need context layering or token optimization. In such cases, using LeanCTX would incur overhead without providing significant benefits.
- Is rtk or lean-ctx more popular on GitHub?
- rtk has more GitHub stars (76,247 vs 3,486). Stars measure visibility, not whether either tool fits your constraints.
- Are rtk and lean-ctx open source?
- Yes - both are open-source projects on GitHub (rtk: Apache-2.0, lean-ctx: Apache-2.0).
- Where can I find alternatives to rtk or lean-ctx?
- GraphCanon lists graph-backed alternatives at rtk alternatives and lean-ctx alternatives (rtk markdown twin, lean-ctx markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, rtk or lean-ctx?
- rtk: Very active. lean-ctx: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for rtk and lean-ctx?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: rtk trust report; lean-ctx trust report.