Agent skill

Fastclaw Skill Learner

by fastclaw-ai in fastclaw-ai/fastclaw

Analyze conversations to extract reusable skill patterns. An agent skill from fastclaw-ai/fastclaw.

Custom licenceAuto-check passed

Install Fastclaw Skill Learner

skills CLI
$ npx skills add fastclaw-ai/fastclaw --skill fastclaw-skill-learner -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install fastclaw-ai/fastclaw fastclaw-skill-learner --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/fastclaw-ai/fastclaw.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/fastclaw-skill-learner .claude/skills/fastclaw-skill-learner && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
fastclaw-skill-learner
GitHub stars
1.4k
Token cost
~634 tokens
SKILL.md length
290 words
Files
1
Skills in repo
9
Repo updated
First seen
Licence
Custom licence

At a glance

Analyze conversations to extract reusable skill patterns. An agent skill from fastclaw-ai/fastclaw.

  • Works in 3 steps: The core workflow — What sequence of… → The pattern — Is this generalizable to… → The value — Would having this as a skill…
  • SKILL.md covers When to Extract, How to Analyze, Output Format and Skill Content Guidelines, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Fastclaw Skill Learner is an agent skill from fastclaw-ai/fastclaw. Analyze conversations to extract reusable skill patterns. Used internally by FastClaw to auto-generate skills from complex multi-step tasks.

Its SKILL.md is about 630 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Multi-Agent Framework.

Example prompts

  • “/fastclaw-skill-learner”

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. The core workflow — What sequence of actions was performed?
  2. The pattern — Is this generalizable to other inputs/contexts?
  3. The value — Would having this as a skill save significant effort next time?

What it can do on your machine

Read from SKILL.md and the folder at commit f401889. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are json).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Fastclaw Skill Learner loads about 634 tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 290 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~41
When it runs · the whole SKILL.md, loaded when a task matches
~634

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 290 words (~634 tokens).

“Analyze a conversation and determine if it demonstrates a reusable multi-step workflow that should be saved as a skill.”

— opening of SKILL.md by fastclaw-ai, Custom licence
name
fastclaw-skill-learner

Read the full SKILL.md on GitHub

Files

Just SKILL.md in skills/fastclaw-skill-learner of fastclaw-ai/fastclaw.

Open the folder on GitHubat commit f401889

Compare with similar skills

Fastclaw Skill Learner next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Fastclaw Skill Learner compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Fastclaw Skill Learner this skillfastclaw-ai/fastclaw1.4k—~634Automated safety check: PassCustom licence
Extractalirezarezvani/claude-skills28k—~1.4kAutomated safety check: PassMIT
Modeling Conversion MetricsPostHog/posthog40k—~1.4kAutomated safety check: PassCustom licence
Internal Commsalirezarezvani/claude-skills28k—~3.4kAutomated safety check: PassMIT
Internal Communicationsickn33/agentic-awesome-skills47k1 repos~3.4kAutomated safety check: PassMIT
Intern Programsickn33/agentic-awesome-skills47k1 repos~3.9kAutomated safety check: PassMIT

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Questions about Fastclaw Skill Learner

What does Fastclaw Skill Learner do?

Analyze conversations to extract reusable skill patterns. An agent skill from fastclaw-ai/fastclaw. Fastclaw Skill Learner is an agent skill from fastclaw-ai/fastclaw. Analyze conversations to extract reusable skill patterns.

How do I install Fastclaw Skill Learner in Claude Code?

Run `npx skills add fastclaw-ai/fastclaw --skill fastclaw-skill-learner -a claude-code`. Or copy the skill folder (skills/fastclaw-skill-learner in fastclaw-ai/fastclaw) into .claude/skills/fastclaw-skill-learner in your project. Claude Code loads it when a task matches its description.

How do I install Fastclaw Skill Learner in Codex?

Run `npx skills add fastclaw-ai/fastclaw --skill fastclaw-skill-learner -a codex`. Or copy the skill folder (skills/fastclaw-skill-learner in fastclaw-ai/fastclaw) into .agents/skills/fastclaw-skill-learner in your project. Codex loads it when a task matches its description.

Can I use Fastclaw Skill Learner in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add fastclaw-ai/fastclaw --skill fastclaw-skill-learner -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fastclaw-skill-learner, .gemini/skills/fastclaw-skill-learner, .github/skills/fastclaw-skill-learner and .opencode/skills/fastclaw-skill-learner in your project.

What does Fastclaw Skill Learner need to run?

SKILL.md names no scripts, command-line tools or credentials: Fastclaw Skill Learner is instructions for the agent only.

Does Fastclaw Skill Learner access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Fastclaw Skill Learner safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Fastclaw Skill Learner use?

Fastclaw Skill Learner has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Fastclaw Skill Learner use?

About 634 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Fastclaw Skill Learner?

Skills that share tags, products or a category with Fastclaw Skill Learner: Extract (alirezarezvani/claude-skills, 28k stars), Modeling Conversion Metrics (PostHog/posthog, 40k stars), Internal Comms (alirezarezvani/claude-skills, 28k stars) and Internal Communication (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fastclaw Skill Learner?

fastclaw-ai (a GitHub organization) maintains it in fastclaw-ai/fastclaw, which has 1,356 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on October 6, 2026.

Source: fastclaw-ai/fastclaw on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.