fable-method: The Fable Workflow: how Claude Fable 5 worked, distilled into skills any model can run, with the eval

by Sahir619 · Agent Tool · ★ 2.3k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install fable-method

/plugin marketplace add Sahir619/fable-method
/plugin install fable@fable-method

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 70/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

agent-skillsai-agentsclaudeclaude-codeclaude-mdcoding-agentevaluationfablellm

Quick Facts

Stars2,296
Forks331
LanguagePython
CategoryAgent Tool
LicenseMIT
Quality Score70/100
Open Issues4
Last Updated2026-10-03
Created2026-07-06
Platformsclaude-code, python
Est. Tokens~16k

About fable-method

The Fable Workflow How Claude Fable 5 worked, written down before it was gone. With the eval that keeps it honest. In its final days before deprecation, Claude Fable 5 distilled its own way of approaching problems into a set of skills any model can run: classify the ask before touching anything, define done with a named verification, gather evidence in parallel from primary sources, commit to one...

Compatible Skills

These tools work well together with fable-method for enhanced workflows:

  • ClaudeCode_GodMode-On — semantic(0.42)+complementary+same_lang+similar_pop+shared_platform (65%)
  • rk-skills — semantic(0.32)+complementary+same_lang+similar_pop+shared_platform (61%)
  • harness-engineering — semantic(0.19)+complementary+rare_topics+same_lang+similar_pop+shared_platform (61%)
  • aspens — semantic(0.17)+complementary+rare_topics+same_lang+similar_pop+shared_platform (60%)

fable-method alternative? Top 6 similar tools

Looking for a fable-method alternative? If you're comparing fable-method with other agent tool tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

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  • agent-toolkit by softaworks · ⭐ 2.5k

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  • happier by happier-dev · ⭐ 2.1k

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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