--- title: "agentic-awesome-skills vs harness-books" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/sickn33-antigravity-awesome-skills-vs-wquguru-harness-books" tools: ["sickn33-antigravity-awesome-skills", "wquguru-harness-books"] --- # agentic-awesome-skills vs harness-books *GraphCanon updated Aug 19, 2026* ## Verdict Pick agentic-awesome-skills if library of agentic skills for various AI agents, offering over 1,900 installable skills across multiple domains; pick harness-books if harness-books provides in-depth knowledge on Claude Code and Codex's design philosophies through two books focused on constraints, query loops, and more. [agentic-awesome-skills](https://sickn33.github.io/agentic-awesome-skills/) reports 45k GitHub stars, 6.6k forks, and 12 open issues, last pushed Aug 19, 2026. [harness-books](http://harness-books.agentway.dev/) has 2.7k stars, 320 forks, and 5 open issues, last pushed Apr 19, 2026. Figures are from public GitHub metadata via [agentic-awesome-skills's repository](https://github.com/sickn33/agentic-awesome-skills) and [harness-books's repository](https://github.com/wquguru/harness-books). | | [agentic-awesome-skills](/tools/sickn33-antigravity-awesome-skills.md) | [harness-books](/tools/wquguru-harness-books.md) | | --- | --- | --- | | Tagline | Library of agentic skills for various AI agents | Two books on harness engineering for Claude Code and Codex detailing design philosophies such as constraints and query loops. | | Stars | 45,139 | 2,702 | | Forks | 6,610 | 320 | | Open issues | 12 | 5 | | Language | Python | Python | | Adopt for | Library of agentic skills for various AI agents, offering over 1,900 installable skills across multiple domains. | harness-books provides in-depth knowledge on Claude Code and Codex's design philosophies through two books focused on constraints, query loops, and more. | | Persona | - | - | | Runtime | - | - | | License | MIT | - | | Categories | AI Agents, Developer Tools | AI Agents, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [agentic-awesome-skills](/tools/sickn33-antigravity-awesome-skills.md) | [harness-books](/tools/wquguru-harness-books.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Slowing (36%) | | Days since push | 0d | 100d | | Open issues (now) | 12 | 5 | | Stars delta | +1.5k (30d) | Unknown | | Open issues delta | +11 (30d) | Unknown | | Full report | [trust report](/tools/sickn33-antigravity-awesome-skills/trust.md) | [trust report](/tools/wquguru-harness-books/trust.md) | ## Decision facts: agentic-awesome-skills - **Pricing:** freemium - The tool is primarily free and open-source under MIT license, though contributions are likely welcomed for more comprehensive or specialized skills. - **Requirements:** Min 2 GB RAM - **Adopt for:** Library of agentic skills for various AI agents, offering over 1,900 installable skills across multiple domains. ## Decision facts: harness-books - **Adopt for:** harness-books provides in-depth knowledge on Claude Code and Codex's design philosophies through two books focused on constraints, query loops, and more. ## Choose when ### Choose agentic-awesome-skills if… - Pricing: The tool is primarily free and open-source under MIT license, though contributions are likely welcomed for more comprehensive or specialized skills.. - Requirements: Min 2 GB RAM. - Tags unique to agentic-awesome-skills: agent-skills, developer-tools. - - When you need to enhance a specific domain's functionality with dedicated plugins provided by the library. This tool excels when your AI agent is expected to perform specialized tasks. ### Choose harness-books if… - Tags unique to harness-books: agentic-ai, context-engineering, prompt-engineering. - When needing detailed insights into the internal mechanisms of AI agents like Claude Code and Codex for informed development efforts. - Leaner open-issue backlog (5). ## When NOT to use agentic-awesome-skills - - If you are only interested in a few specific skills or plugins available through other dedicated repositories that offer more tailored services. - - When your project specifically requires integration with platforms not supported by 'agentic-awesome-skills', such as unique proprietary AI systems without existing support from the library. ## When NOT to use harness-books - If seeking generic AI agent design guidelines that do not focus on the specifics of Claude Code or Codex implementations. - When the aim is to work with other types of AI agents or frameworks unrelated to the technologies detailed in harness-books. ## Common questions ### What is the difference between agentic-awesome-skills and harness-books? agentic-awesome-skills: Library of agentic skills for various AI agents. harness-books: Two books on harness engineering for Claude Code and Codex detailing design philosophies such as constraints and query loops.. See the comparison table for live GitHub stats and shared categories. ### When should I choose agentic-awesome-skills over harness-books? Choose agentic-awesome-skills over harness-books when Pricing: The tool is primarily free and open-source under MIT license, though contributions are likely welcomed for more comprehensive or specialized skills.; Requirements: Min 2 GB RAM; Tags unique to agentic-awesome-skills: agent-skills, developer-tools; - When you need to enhance a specific domain's functionality with dedicated plugins provided by the library. This tool excels when your AI agent is expected to perform specialized tasks. ### When should I choose harness-books over agentic-awesome-skills? Choose harness-books over agentic-awesome-skills when Tags unique to harness-books: agentic-ai, context-engineering, prompt-engineering; When needing detailed insights into the internal mechanisms of AI agents like Claude Code and Codex for informed development efforts; Leaner open-issue backlog (5). ### When should I avoid agentic-awesome-skills? - If you are only interested in a few specific skills or plugins available through other dedicated repositories that offer more tailored services. - When your project specifically requires integration with platforms not supported by 'agentic-awesome-skills', such as unique proprietary AI systems without existing support from the library. ### When should I avoid harness-books? If seeking generic AI agent design guidelines that do not focus on the specifics of Claude Code or Codex implementations. When the aim is to work with other types of AI agents or frameworks unrelated to the technologies detailed in harness-books. ### Is agentic-awesome-skills or harness-books more popular on GitHub? agentic-awesome-skills has more GitHub stars (45,139 vs 2,702). Stars measure visibility, not whether either tool fits your constraints. ### Are agentic-awesome-skills and harness-books open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to agentic-awesome-skills or harness-books? GraphCanon lists graph-backed alternatives at [agentic-awesome-skills alternatives](/tools/sickn33-antigravity-awesome-skills/alternatives) and [harness-books alternatives](/tools/wquguru-harness-books/alternatives) ([agentic-awesome-skills markdown twin](/tools/sickn33-antigravity-awesome-skills/alternatives.md), [harness-books markdown twin](/tools/wquguru-harness-books/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/sickn33-antigravity-awesome-skills-vs-wquguru-harness-books.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, agentic-awesome-skills or harness-books? agentic-awesome-skills: Very active. harness-books: Slowing. 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 agentic-awesome-skills and harness-books? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [agentic-awesome-skills trust report](/tools/sickn33-antigravity-awesome-skills/trust); [harness-books trust report](/tools/wquguru-harness-books/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=sickn33-antigravity-awesome-skills`](/api/graphcanon/graph?tool=sickn33-antigravity-awesome-skills) - 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/_