# Agent Skills

**Canonical:** https://apis.io/providers/agent-skills/  
**APIs profiled:** 3

A collection of resources, APIs, and standards related to AI agent skills and capabilities. Agent skills represent the tools, functions, and capabilities that AI agents can invoke to accomplish tasks — spanning web search, code execution, file management, memory, and external API integrations. This topic covers the major platforms and frameworks that define how agent skills are declared, discovered, and invoked.

## Kin Score — 20.9 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 20.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 15.5 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (3)

- **Anthropic Tool Use API** — The Anthropic Tool Use API allows AI agents built on Claude to call client-defined functions or Anthropic-provided server tools such as web search, code execution, and web fetch...
- **Google Agent Development Kit (ADK)** — Google's Agent Development Kit (ADK) is a flexible framework for building AI agents and multi-agent systems. It supports LLM agents, workflow agents, and custom agents with capa...
- **Model Context Protocol (MCP)** — The Model Context Protocol (MCP) is an open-source standard for connecting AI applications to external systems. MCP defines a standardized way for AI agents to access data sourc...

## Security (1)

- **Agent Skills Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Agent Skills Plans Pricing**

## Use cases (6)

- **Automated Research** — Agents use web search and fetch skills to retrieve, synthesize, and summarize information from the internet in response to user queries.
- **Code Generation and Execution** — Agents invoke code execution skills to write, run, and debug code within sandboxed environments, returning results to the user.
- **Data Integration** — Agents use OpenAPI-backed skills to read and write data across enterprise systems — CRMs, ERPs, databases — through standardized API calls.
- **File and Document Management** — Agents invoke file system skills to read, write, and organize documents, images, and structured data on behalf of users.
- **Multi-Step Workflow Automation** — Agents chain multiple skills in sequence — searching, retrieving, transforming, and storing data — to complete complex multi-step tasks autonomously.
- **AI-Assisted Customer Support** — Customer service agents use CRM lookup, ticketing, and knowledge base skills to resolve customer issues without human escalation.

## Tags

Agent Skills, AI Agents, Tool Use, Function Calling, MCP, Agentic AI, Automation

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/agent-skills/). Scores are computed from the provider's own public artifacts under a published rubric.