# Agent Skills

> An index and topic collection covering Agent Skills, the packaged, file-based capability units that AI coding agents load to extend their behavior. Agent Skills bundle instructions, scripts, schemas, and reference material into directories that agents discover, plan against, and execute at runtim...

This is the **Agent Skills** topic area of [API Evangelist](https://apievangelist.com) — a network of focused knowledge bases drawn from 16 years of independent API research by Kin Lane. Browse all areas at https://apievangelist.com/areas/.

## Services & Tools
- [ActiveCampaign](https://providers.apis.io/providers/activecampaign/) (repo: https://github.com/api-evangelist/activecampaign)
- [Airbyte](https://providers.apis.io/providers/airbyte/) (repo: https://github.com/api-evangelist/airbyte)
- [Airtable](https://providers.apis.io/providers/airtable/) (repo: https://github.com/api-evangelist/airtable)
- [Android](https://providers.apis.io/providers/android/) (repo: https://github.com/api-evangelist/android)
- [Angular](https://providers.apis.io/providers/angular/) (repo: https://github.com/api-evangelist/angular)
- [Anthropic](https://providers.apis.io/providers/anthropic/) (repo: https://github.com/api-evangelist/anthropic)
- [Anthropic Claude](https://providers.apis.io/providers/anthropic-claude/) (repo: https://github.com/api-evangelist/anthropic-claude)
- [Apify](https://providers.apis.io/providers/apify/) (repo: https://github.com/api-evangelist/apify)
- [Apollo Config](https://providers.apis.io/providers/apollo-config/) (repo: https://github.com/api-evangelist/apollo-config)
- [Apollo GraphQL](https://providers.apis.io/providers/apollo-graphql/) (repo: https://github.com/api-evangelist/apollo-graphql)
- [Appium](https://providers.apis.io/providers/appium/) (repo: https://github.com/api-evangelist/appium)
- [Appwrite](https://providers.apis.io/providers/appwrite/) (repo: https://github.com/api-evangelist/appwrite)
- [Atlassian](https://providers.apis.io/providers/atlassian/) (repo: https://github.com/api-evangelist/atlassian)
- [Auth0](https://providers.apis.io/providers/auth0/) (repo: https://github.com/api-evangelist/auth0)
- [Box](https://providers.apis.io/providers/box/) (repo: https://github.com/api-evangelist/box)
- [Canva](https://providers.apis.io/providers/canva/) (repo: https://github.com/api-evangelist/canva)
- [Cerbos](https://providers.apis.io/providers/cerbos/) (repo: https://github.com/api-evangelist/cerbos)
- [Claude](https://providers.apis.io/providers/claude/) (repo: https://github.com/api-evangelist/claude)
- [Contentful](https://providers.apis.io/providers/contentful/) (repo: https://github.com/api-evangelist/contentful)
- [Databricks](https://providers.apis.io/providers/databricks/) (repo: https://github.com/api-evangelist/databricks)
- [Docsify](https://providers.apis.io/providers/docsify/) (repo: https://github.com/api-evangelist/docsify)
- [Figma](https://providers.apis.io/providers/figma/) (repo: https://github.com/api-evangelist/figma)
- [Fivetran](https://providers.apis.io/providers/fivetran/) (repo: https://github.com/api-evangelist/fivetran)
- [GEMINI.md](https://providers.apis.io/providers/gemini-md/) (repo: https://github.com/api-evangelist/gemini-md)
- [GitHub](https://providers.apis.io/providers/github/) (repo: https://github.com/api-evangelist/github)
- [Google Gemini](https://providers.apis.io/providers/google-gemini/) (repo: https://github.com/api-evangelist/google-gemini)
- [Hookdeck](https://providers.apis.io/providers/hookdeck/) (repo: https://github.com/api-evangelist/hookdeck)
- [HubSpot](https://providers.apis.io/providers/hubspot/) (repo: https://github.com/api-evangelist/hubspot)
- [Hugging Face](https://providers.apis.io/providers/hugging-face/) (repo: https://github.com/api-evangelist/hugging-face)
- [Jentic](https://providers.apis.io/providers/jentic/) (repo: https://github.com/api-evangelist/jentic)
- [JFrog](https://providers.apis.io/providers/jfrog/) (repo: https://github.com/api-evangelist/jfrog)
- [MailerLite](https://providers.apis.io/providers/mailerlite/) (repo: https://github.com/api-evangelist/mailerlite)
- [Microsoft TypeScript](https://providers.apis.io/providers/microsoft-typescript/) (repo: https://github.com/api-evangelist/microsoft-typescript)
- [MongoDB](https://providers.apis.io/providers/mongodb/) (repo: https://github.com/api-evangelist/mongodb)
- [ngrok](https://providers.apis.io/providers/ngrok/) (repo: https://github.com/api-evangelist/ngrok)
- [OpenAI](https://providers.apis.io/providers/openai/) (repo: https://github.com/api-evangelist/openai)
- [Postman](https://providers.apis.io/providers/postman/) (repo: https://github.com/api-evangelist/postman)
- [Prisma](https://providers.apis.io/providers/prisma/) (repo: https://github.com/api-evangelist/prisma)
- [Pulumi](https://providers.apis.io/providers/pulumi/) (repo: https://github.com/api-evangelist/pulumi)
- [Replicate](https://providers.apis.io/providers/replicate/) (repo: https://github.com/api-evangelist/replicate)
- [Resend](https://providers.apis.io/providers/resend/) (repo: https://github.com/api-evangelist/resend)
- [Sanity](https://providers.apis.io/providers/sanity/) (repo: https://github.com/api-evangelist/sanity)
- [Speakeasy](https://providers.apis.io/providers/speakeasy/) (repo: https://github.com/api-evangelist/speakeasy)
- [Supabase](https://providers.apis.io/providers/supabase/) (repo: https://github.com/api-evangelist/supabase)
- [Temporal](https://providers.apis.io/providers/temporal/) (repo: https://github.com/api-evangelist/temporal)
- [TypeScript](https://providers.apis.io/providers/typescript/) (repo: https://github.com/api-evangelist/typescript)
- [Webflow](https://providers.apis.io/providers/webflow/) (repo: https://github.com/api-evangelist/webflow)
- [WorkOS](https://providers.apis.io/providers/workos/) (repo: https://github.com/api-evangelist/workos)
- [Zoom](https://providers.apis.io/providers/zoom/) (repo: https://github.com/api-evangelist/zoom)

## Common Features
- **File-Based Capability Packaging**: Agent Skills bundle markdown instructions, executable scripts, schemas, and reference material into versioned directories that agents can load deterministically at runtime.
- **Vendor-Published Skill Repositories**: API providers ship official GitHub repositories such as resend-skills, ngrok/agent-skills, postman-skills, and jfrog-skills to deliver first-party automation behavior for their products.
- **Progressive Disclosure of Context**: Skills surface a short SKILL.md frontmatter for discovery, then load deeper instructions, scripts, and assets only when an agent activates them, keeping token usage low.
- **Agent-Executable Tooling**: Skills package shell, Python, or Node scripts alongside instructions so agents can perform multi-step work (auth, file generation, API calls) instead of relying on prose-only prompting.
- **Multi-Runtime Compatibility**: Skill formats are emerging across Claude Code, Claude Agent SDK, Cursor, OpenAI Apps SDK, and Gemini, with vendors publishing parallel skill sets for each runtime.
- **Skill Discovery and Governance**: Organizations curate skill catalogs, sign skill manifests, and gate skill activation through allow lists so AI agents only run vetted capability packages.
- **API-First Skill Generation**: Skills are increasingly generated from OpenAPI, AsyncAPI, and APIs.json descriptions so each API operation becomes a callable, governed capability inside an agent.
- **Open Skill Ecosystem**: A growing ecosystem of community-maintained skill registries and indexes complements vendor repos, mirroring how the npm and PyPI ecosystems formed around packages.

## Use Cases
- **First-Party Product Skills**: SaaS vendors ship official skill repos so AI agents in Claude Code or Cursor can create resources, run reports, and operate their products without bespoke prompt engineering.
- **Internal Developer Platform Skills**: Platform teams package their CI/CD, deployment, and observability workflows as governed skills so every engineering agent uses the same approved automations.
- **API Onboarding and Education**: API providers use skills to walk agents through authentication, sandbox setup, and "hello world" requests, accelerating time-to-first-call for developer-led agents.
- **Governed Capability Distribution**: Compliance-sensitive organizations distribute skills with allow-lists, signing, and audit trails to ensure only approved AI behaviors run against production systems.
- **API Specification to Skill Pipelines**: Teams convert OpenAPI specs into skill bundles (one operation per tool) so agents get typed, governed access to every endpoint without writing custom wrappers.
- **Cross-Runtime Skill Portability**: Vendors maintain mirror skill sets for Claude, Cursor, and OpenAI Apps SDK, giving customers a consistent experience across whichever coding agent they choose.
- **Skill-Driven Customer Support**: Support and DevRel teams publish skills that diagnose common issues, pull logs, and open tickets, letting customer-side agents resolve problems autonomously.
- **Sandbox and Test Environment Skills**: Skill bundles provision throwaway environments, seed test data, and tear down resources so agents can exercise APIs safely during development and CI.

## Related Areas
- [Agents](https://agents.apievangelist.com): An index and topic collection covering AI agents, agent frameworks, and agent runtimes that enable autonomous reasoni...
- [AI Automation](https://ai-automation.apievangelist.com): AI automation combines artificial intelligence with workflow and process automation to create intelligent, autonomous...
- [AIOps](https://aiops.apievangelist.com): AIOps applies artificial intelligence and machine learning to IT operations, enabling intelligent alerting, anomaly d...
- [Portal](https://portal.apievangelist.com): A curated index of services, tooling, and open source solutions for API developer portals, API catalogs, API marketpl...
- [Management](https://management.apievangelist.com): An index and topic collection covering full-stack API management platforms — solutions that combine an API gateway, d...
- [IDE](https://ide.apievangelist.com): An index and topic collection covering integrated development environments (IDEs), code editors, and cloud workspaces...

## More
- [Latest Agent Skills stories](/stories/)
- [All API Evangelist topic areas](https://apievangelist.com/areas/)
- [API Evangelist network index (llms.txt)](https://apievangelist.com/llms.txt)