api-surface
Maps the entire API surface of a codebase -- route definitions, middleware chains, auth requirements, request/response types, deprecated endpoints, orphaned endpoints, and cross-endpoint inconsistencies. USE THIS SKILL WHEN: - You need a complete inventory of all API endpoints in a project - Someone asks "what endpoints do we have?" or "what does our API look like?" - You are onboarding to a new backend codebase and need to understand its API - You need to find orphaned, undocumented, or deprecated endpoints - Someone asks about API inconsistencies (different response shapes, auth gaps) - You are preparing for an API review, documentation sprint, or versioning migration - You need to understand endpoint dependencies before refactoring - A project has no OpenAPI spec and you need to generate one from code - You suspect there are endpoints without authentication or rate limiting TRIGGER PHRASES: "API surface", "list all endpoints", "API inventory", "endpoint map", "orphaned endpoints", "
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Install this skill
Run this command in your terminal. No account required — it auto-detects your AI tool and installs the skill file.
npx @skills-hub-ai/cli install api-surfaceSetup by platform
Install
One-click setup for your editorRun in your project root
npx @skills-hub-ai/cli install api-surface --target claude-codeInstructions
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Frequently asked questions about api-surface
What does the api-surface skill do?
Maps the entire API surface of a codebase -- route definitions, middleware chains, auth requirements, request/response types, deprecated endpoints, orphaned endpoints, and cross-endpoint inconsistencies. USE THIS SKILL WHEN: - You need a complete inventory of all API endpoints in a project - Someone asks "what endpoints do we have?" or "what does our API look like?" - You are onboarding to a new backend codebase and need to understand its API - You need to find orphaned, undocumented, or deprecated endpoints - Someone asks about API inconsistencies (different response shapes, auth gaps) - You are preparing for an API review, documentation sprint, or versioning migration - You need to understand endpoint dependencies before refactoring - A project has no OpenAPI spec and you need to generate one from code - You suspect there are endpoints without authentication or rate limiting TRIGGER PHRASES: "API surface", "list all endpoints", "API inventory", "endpoint map", "orphaned endpoints", " It's a reusable SKILL.md instruction set that loads into your AI coding assistant on demand, no prompt engineering, no copy-pasting every session.
How do I install the api-surface skill?
Run `npx @skills-hub-ai/cli install api-surface` from your terminal. The CLI writes the SKILL.md to the correct location for your AI tool (e.g. ~/.claude/skills/api-surface/ for Claude Code or ~/.cursor/skills/ for Cursor with --target cursor) and adds it to your project's .skills.json lockfile.
Which AI tools does api-surface work with?
api-surface runs in Claude Code. It follows the open Agent Skills standard (SKILL.md), so the same skill works in every supported tool without modification.
Is the api-surface skill free?
Yes. Every skill on skills-hub.ai is free and open-source. There are no premium tiers, paywalls, or usage limits. You only pay for whatever AI assistant you're already using.
How do I use api-surface after installing it?
In Claude Code, type `/api-surface` (or whatever slash command the skill registers) and the AI follows the skill's instructions immediately. You can also reference it by name in natural language, your AI loads the skill into context when relevant.
Can I share the api-surface skill with my team?
Yes. Commit your project's .skills.json lockfile and teammates run `npx @skills-hub-ai/cli install` (no args) to install every skill at the exact version you pinned. Organization-scoped installs work via skills-hub.ai organizations.