--- title: "LeanEuclid vs Anthropic-Cybersecurity-Skills" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/loganrjmurphy-leaneuclid-vs-mukul975-anthropic-cybersecurity-skills" tools: ["loganrjmurphy-leaneuclid", "mukul975-anthropic-cybersecurity-skills"] --- # LeanEuclid vs Anthropic-Cybersecurity-Skills *GraphCanon updated Aug 16, 2026* ## Verdict Pick LeanEuclid if decision-relevant specifics for LeanEuclid, a benchmark tailored for autoformalization in Euclidean geometry within the Lean proof assistant ecosystem; pick Anthropic-Cybersecurity-Skills if anthropic-Cybersecurity-Skills is a comprehensive repository of 817 structured cybersecurity skills mapped across six industry frameworks, making it highly versatile for various AI platforms and security needs. [LeanEuclid](http://arxiv.org/abs/2405.17216) reports 139 GitHub stars, 17 forks, and 5 open issues, last pushed Nov 25, 2025. [Anthropic-Cybersecurity-Skills](https://mahipal.engineer/Anthropic-Cybersecurity-Skills/) has 28k stars, 3.4k forks, and 46 open issues, last pushed Aug 8, 2026. Figures are from public GitHub metadata via [LeanEuclid's repository](https://github.com/loganrjmurphy/LeanEuclid) and [Anthropic-Cybersecurity-Skills's repository](https://github.com/mukul975/Anthropic-Cybersecurity-Skills). | | [LeanEuclid](/tools/loganrjmurphy-leaneuclid.md) | [Anthropic-Cybersecurity-Skills](/tools/mukul975-anthropic-cybersecurity-skills.md) | | --- | --- | --- | | Tagline | Benchmark for autoformalization in Euclidean geometry targeting Lean proof assistant. | 817 structured cybersecurity skills for AI agents | | Stars | 139 | 27,958 | | Forks | 17 | 3,401 | | Open issues | 5 | 46 | | Language | Lean | Python | | Adopt for | Decision-relevant specifics for LeanEuclid, a benchmark tailored for autoformalization in Euclidean geometry within the Lean proof assistant ecosystem. | Anthropic-Cybersecurity-Skills is a comprehensive repository of 817 structured cybersecurity skills mapped across six industry frameworks, making it highly versatile for various AI platforms and security needs. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | Evaluation & Observability | AI Agents, Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [LeanEuclid](/tools/loganrjmurphy-leaneuclid.md) | [Anthropic-Cybersecurity-Skills](/tools/mukul975-anthropic-cybersecurity-skills.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Active (82%) | | Days since push | 245d | 8d | | Open issues (now) | 5 | 46 | | Stars delta | Unknown | +2.3k (30d) | | Open issues delta | Unknown | +6 (30d) | | Full report | [trust report](/tools/loganrjmurphy-leaneuclid/trust.md) | [trust report](/tools/mukul975-anthropic-cybersecurity-skills/trust.md) | ## Decision facts: LeanEuclid - **Requirements:** Requires a fully functional setup with Lean 4, including elan and Lean's VSCode extension; Installation of Z3 and CVC5 solvers is mandatory for effective use; Python dependencies such as `smt-portfolio` and `openai` need to be installed via pip; Setting up server environment paths in Lean’s VSCode extension correctly is essential for tool functionality - **Adopt for:** Decision-relevant specifics for LeanEuclid, a benchmark tailored for autoformalization in Euclidean geometry within the Lean proof assistant ecosystem. ## Decision facts: Anthropic-Cybersecurity-Skills - **Pricing:** freemium - Available under the Apache 2.0 license, ensuring free access and modification but without guaranteeing commercial support. - **Requirements:** Min 4 GB RAM; Supports integration with over 20 platforms including Claude Code and GitHub Copilot; Requires basic understanding of cybersecurity frameworks for optimal use - **Adopt for:** Anthropic-Cybersecurity-Skills is a comprehensive repository of 817 structured cybersecurity skills mapped across six industry frameworks, making it highly versatile for various AI platforms and security needs. ## Choose when ### Choose LeanEuclid if… - LeanEuclid is primarily Lean; Anthropic-Cybersecurity-Skills is Python. - License: LeanEuclid is MIT, Anthropic-Cybersecurity-Skills is Apache-2.0. - Requirements: Requires a fully functional setup with Lean 4, including elan and Lean's VSCode extension; Installation of Z3 and CVC5 solvers is mandatory for effective use; Python dependencies such as `smt-portfolio` and `openai` need to be installed via pip; Setting up server environment paths in Lean’s VSCode extension correctly is essential for tool functionality. - Tags unique to LeanEuclid: autoformalization, euclidean-geometry, formalization, lean4. - LeanEuclid ships Docker support for self-hosted deployment. - When you are specifically interested in advancing or testing automated theorem proving and formal verification techniques in Euclidean geometry using Lean 4 ### Choose Anthropic-Cybersecurity-Skills if… - Anthropic-Cybersecurity-Skills is primarily Python; LeanEuclid is Lean. - License: Anthropic-Cybersecurity-Skills is Apache-2.0, LeanEuclid is MIT. - Pricing: Available under the Apache 2.0 license, ensuring free access and modification but without guaranteeing commercial support.. - Requirements: Min 4 GB RAM; Supports integration with over 20 platforms including Claude Code and GitHub Copilot; Requires basic understanding of cybersecurity frameworks for optimal use. - Tags unique to Anthropic-Cybersecurity-Skills: ai-agents, cybersecurity, mitre-attack, nist-csf. - Also covers AI Agents. - - Use when you require integration with multiple cybersecurity frameworks like MITRE ATT&CK, NIST CSF 2.0, and others, providing a robust foundation for skill-based operations. ## When NOT to use LeanEuclid - Avoid if you are working within a different proof assistant ecosystem unrelated to Lean 4 - Not suitable for benchmarking or developing autoformalization techniques outside the domain of Euclidean geometry ## When NOT to use Anthropic-Cybersecurity-Skills - - Avoid if your project specifically requires skills mapped exclusively to a single framework not among the six supported by Anthropic-Cybersecurity-Skills. - - Not suitable for projects that do not align with or benefit from the agentskills.io standard implementation, as it might limit customization options. ## Common questions ### What is the difference between LeanEuclid and Anthropic-Cybersecurity-Skills? LeanEuclid: Benchmark for autoformalization in Euclidean geometry targeting Lean proof assistant.. Anthropic-Cybersecurity-Skills: 817 structured cybersecurity skills for AI agents. See the comparison table for live GitHub stats and shared categories. ### When should I choose LeanEuclid over Anthropic-Cybersecurity-Skills? Choose LeanEuclid over Anthropic-Cybersecurity-Skills when LeanEuclid is primarily Lean; Anthropic-Cybersecurity-Skills is Python; License: LeanEuclid is MIT, Anthropic-Cybersecurity-Skills is Apache-2.0; Requirements: Requires a fully functional setup with Lean 4, including elan and Lean's VSCode extension; Installation of Z3 and CVC5 solvers is mandatory for effective use; Python dependencies such as `smt-portfolio` and `openai` need to be installed via pip; Setting up server environment paths in Lean’s VSCode extension correctly is essential for tool functionality; Tags unique to LeanEuclid: autoformalization, euclidean-geometry, formalization, lean4; LeanEuclid ships Docker support for self-hosted deployment; When you are specifically interested in advancing or testing automated theorem proving and formal verification techniques in Euclidean geometry using Lean 4. ### When should I choose Anthropic-Cybersecurity-Skills over LeanEuclid? Choose Anthropic-Cybersecurity-Skills over LeanEuclid when Anthropic-Cybersecurity-Skills is primarily Python; LeanEuclid is Lean; License: Anthropic-Cybersecurity-Skills is Apache-2.0, LeanEuclid is MIT; Pricing: Available under the Apache 2.0 license, ensuring free access and modification but without guaranteeing commercial support.; Requirements: Min 4 GB RAM; Supports integration with over 20 platforms including Claude Code and GitHub Copilot; Requires basic understanding of cybersecurity frameworks for optimal use; Tags unique to Anthropic-Cybersecurity-Skills: ai-agents, cybersecurity, mitre-attack, nist-csf; Also covers AI Agents; - Use when you require integration with multiple cybersecurity frameworks like MITRE ATT&CK, NIST CSF 2.0, and others, providing a robust foundation for skill-based operations. ### When should I avoid LeanEuclid? Avoid if you are working within a different proof assistant ecosystem unrelated to Lean 4 Not suitable for benchmarking or developing autoformalization techniques outside the domain of Euclidean geometry ### When should I avoid Anthropic-Cybersecurity-Skills? - Avoid if your project specifically requires skills mapped exclusively to a single framework not among the six supported by Anthropic-Cybersecurity-Skills. - Not suitable for projects that do not align with or benefit from the agentskills.io standard implementation, as it might limit customization options. ### Is LeanEuclid or Anthropic-Cybersecurity-Skills more popular on GitHub? Anthropic-Cybersecurity-Skills has more GitHub stars (27,958 vs 139). Stars measure visibility, not whether either tool fits your constraints. ### Are LeanEuclid and Anthropic-Cybersecurity-Skills open source? Yes - both are open-source projects on GitHub (LeanEuclid: MIT, Anthropic-Cybersecurity-Skills: Apache-2.0). ### Where can I find alternatives to LeanEuclid or Anthropic-Cybersecurity-Skills? GraphCanon lists graph-backed alternatives at [LeanEuclid alternatives](/tools/loganrjmurphy-leaneuclid/alternatives) and [Anthropic-Cybersecurity-Skills alternatives](/tools/mukul975-anthropic-cybersecurity-skills/alternatives) ([LeanEuclid markdown twin](/tools/loganrjmurphy-leaneuclid/alternatives.md), [Anthropic-Cybersecurity-Skills markdown twin](/tools/mukul975-anthropic-cybersecurity-skills/alternatives.md)), 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](/compare/loganrjmurphy-leaneuclid-vs-mukul975-anthropic-cybersecurity-skills.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, LeanEuclid or Anthropic-Cybersecurity-Skills? LeanEuclid: Slowing. Anthropic-Cybersecurity-Skills: 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 LeanEuclid and Anthropic-Cybersecurity-Skills? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [LeanEuclid trust report](/tools/loganrjmurphy-leaneuclid/trust); [Anthropic-Cybersecurity-Skills trust report](/tools/mukul975-anthropic-cybersecurity-skills/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=loganrjmurphy-leaneuclid`](/api/graphcanon/graph?tool=loganrjmurphy-leaneuclid) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_