Automated summary
Fetches documentation for supported libraries from their llms.txt files, then answers a question or summarizes the content.
Strengths
- Ships a table of 14 libraries with pre-verified llms.txt URLs, so no setup is needed
- Answers a specific question, or summarizes what the docs cover when no question is given
- Asks for clarification when a library name is ambiguous (e.g. drizzle vs drizzle-kit)
- Cites which documentation source the answer came from
Limitations
- Restricted to the libraries in the table; no other sources are supported
- Depends entirely on the remote llms.txt URLs being reachable
- Handles only one library per invocation
Reach for it when you need an accurate, current answer about the API of a listed library such as Zod, Hono, or Drizzle.
Skip it for a library that isn't in the table, or for questions about your own project's internal code.
Security analysis
SafeThe skill only instructs the agent to fetch documentation from a fixed, hardcoded allowlist of well-known vendor llms.txt URLs and summarize/answer questions. There are no shell commands, no credential handling, no dynamic or user-controlled URLs, no obfuscated payloads, and no attempts to disable safety behavior. The only mild concern is that fetching requires network access while no allowed-tools are declared, but that is a configuration gap rather than a risk.
- •No allowed-tools declared even though the workflow depends on a fetch/network capability, which may cause tool-permission ambiguity at runtime
Examples
/docs zod How do I define a discriminated union with a custom error message?/docs hono/docs drizzle What's the difference between running drizzle-kit push and generate?name: docs description: "Fetch documentation from llms.txt URLs for supported libraries. Usage: /docs [library name] [question]"
Documentation Fetcher
Instructions
- Parse
$ARGUMENTSfor a library name and an optional question - If no library is specified or the library is not recognized, list the supported libraries from the table below and ask the user to pick one
- Fetch the documentation from the matching URL in the table below
- If the fetch fails, inform the user and suggest they check the URL directly in their browser
- Answer the user's question using the fetched documentation. If no question was provided, summarize what the documentation covers so the user knows what to ask about
Supported Libraries
| Library | URL | | ---------------------------------- | ------------------------------------------ | | Mastra (core, MCP, pg) | https://mastra.ai/docs/llms.txt | | Drizzle ORM + drizzle-kit | https://orm.drizzle.team/llms-full.txt | | Hono | https://hono.dev/llms-full.txt | | Lefthook | https://lefthook.dev/llms-full.txt | | OpenRouter | https://openrouter.ai/docs/llms-full.txt | | Exa (exa-js) | https://exa.ai/docs/llms-full.txt | | Firecrawl (@mendable/firecrawl-js) | https://docs.firecrawl.dev/llms-full.txt | | Railway | https://railway.com/llms.txt | | Zod | https://zod.dev/llms-full.txt | | Doppler | https://docs.doppler.com/llms.txt | | Turborepo | https://turborepo.com/repo/docs/llms.txt | | Assistant UI | https://www.assistant-ui.com/llms-full.txt | | Clerk | https://clerk.com/docs/llms-full.txt | | Composio | https://docs.composio.dev/llms-full.txt |
Guidelines
- Scope to one library per invocation
- If the user's library name is ambiguous (e.g. "drizzle" could mean Drizzle ORM or drizzle-kit), ask for clarification
- Cite which documentation source was used when providing answers
From the file to a first result
The download contains exactly the content displayed on this page. This copy may differ from the latest version in the source repository.
View the source and supporting filesThis download contains SKILL.md only. Any scripts, references, templates and dependencies are not included. Get the required files from the source, preserving their directory structure, before continuing.
1. Download the file
Download SKILL.mdFrom the root of a test project, save the file as .skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md, or use the command below. This folder is for inspecting the skill before installation.
Command for macOS/Linux or WSL: requires a POSIX shell and curl. On Windows without WSL, use the download button and create the folder manually.
mkdir -p '.skill-downloads/documentation-fetcher-mrwakc1n' && curl --fail --show-error --location 'https://skills-guides.com/api/skills/documentation-fetcher-mrwakc1n/download' --output '.skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md.part' && mv '.skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md.part' '.skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md'2. Check prerequisites
Read SKILL.md before using it. If it references scripts or external services, inspect them and prepare the required access in your test environment.
No recognized prerequisites section in this file. This does not mean it is self-contained: libraries, tools and access requirements may be mentioned elsewhere in the content or source repository.
The platforms on this page are catalog indications. The paths below follow tool documentation; they do not prove this skill has been run in those tools. No minimum tool version is confirmed for this listing.
3. Load the skill
After inspection, copy the complete folder into your project using one of the commands below, then open a new tool session. The command stops if a folder with the same name already exists: compare the files before replacing it.
Claude Code
test -f '.skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md' && test -s '.skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md' && mkdir -p '.claude/skills' && test ! -e '.claude/skills/docs' && cp -R '.skill-downloads/documentation-fetcher-mrwakc1n' '.claude/skills/docs'OpenSkills
OpenSkills must already be installed. The local install/read procedure is checked with OpenSkills 1.5.0, which requires Node.js ≥ 20.6.0. Catalog slugs are not resolved automatically.
Official OpenSkills installationopenskills install './.skill-downloads/documentation-fetcher-mrwakc1n'openskills read 'documentation-fetcher-mrwakc1n'Reading should display the installed file content and its base directory. It does not run the skill or install its dependencies.
For an agent that reads AGENTS.md, then sync the index. This command changes AGENTS.md: review the diff before using it.
openskills syncManual method or another tool: attach SKILL.md to a conversation, or open it in an agent that can read files. Include any required supporting resources. No universal folder is recognized by every tool.
4. Try a first task
Use a short, synthetic input: an API endpoint, a small document or an interface brief. In a new conversation, attach the file or give the agent its path, then adapt this request:
Read .skill-downloads/documentation-fetcher-mrwakc1n/SKILL.md and apply its instructions to this example: [describe a test input]. Identify any missing files, dependencies or access. Produce the result requested by the skill without inventing data or running unreviewed scripts.Expected result: output matching the skill instructions, or a precise list of missing prerequisites. A read confirmation alone does not validate a first use. If an external resource is unavailable, that path remains untested.
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