api-learn

api-learn is a skill for Claude Code from oozoofrog/oozoofrog-plugins. It costs 132 tokens per session (2,442 once invoked), scanned A, original, no licence file.

A skill for collecting official documentation and examples for a project's library or framework, then saving them as project references.

In plain words
What is it for?
Learning an API, storing its documentation in .claude/references/, and registering it in CLAUDE.md.
Why use it?
It keeps the information an agent needs in the project instead of relying on scattered external documentation.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Part of the api-learn plugin — 2 skills shipped together

Good fit Learning an API, storing its documentation in .claude/references/, and registering it in CLAUDE.md.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/oozoofrog/oozoofrog-plugins/api-learn
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add oozoofrog/oozoofrog-plugins --skill api-learn
Clone the repo
git clone --depth 1 https://github.com/oozoofrog/oozoofrog-plugins

Made for: Claude Code.

Or install api-learn, the plugin that ships this one along with the rest of its 2 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for api-learn

README.md
[![agentmods](https://agentmods.dev/badge/skills/oozoofrog/oozoofrog-plugins/api-learn/github.svg)](https://agentmods.dev/skills/oozoofrog/oozoofrog-plugins/api-learn)
Your own site
<a href="https://agentmods.dev/skills/oozoofrog/oozoofrog-plugins/api-learn"><img src="https://agentmods.dev/badge/skills/oozoofrog/oozoofrog-plugins/api-learn/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for api-learn

Your own site · 80×15
<a href="https://agentmods.dev/skills/oozoofrog/oozoofrog-plugins/api-learn"><img src="https://agentmods.dev/badge/skills/oozoofrog/oozoofrog-plugins/api-learn.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 132 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,442 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00132 $0.02442
Opus 5.5 $0.00053 $0.00977
Sonnet 5.5 $0.00026 $0.00488
Haiku 4.5 $0.00013 $0.00244

Measured 1mo ago against content hash d0e2a9ad2a08, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

api-learn scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/api-learn/skills/api-learn/SKILL.md · 233 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 233 lines · 132 tokens per session scan A d0e2a9ad2a08

Subscribe to this mod's changes

api-learn is a skill published in the GitHub repository oozoofrog/oozoofrog-plugins (2 stars, last pushed 4mo ago), with no licence file. It adds 132 tokens to every session and 2,442 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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