# MCP Public APIs

> Use this tool when you need to discover and filter public APIs for development projects, as it indexes over 1,400 APIs and allows searching by category, authentication type, and technical requirements. It solves problems of API discovery and integration by providing precise querying capabilities for features like HTTPS support and CORS compatibility. With inputs like category and technical requirements, it outputs a list of relevant public APIs, making it ideal for use cases where developers need to find suitable APIs for their projects.

Canonical page: https://skillsregistry.net/skills/attilio81-mcp-public-apis  
JSON: https://api.skillsregistry.net/v1/skills/attilio81-mcp-public-apis

## Description

An MCP server that indexes the public-apis catalogue, allowing LLMs to search and filter over 1,400 public APIs by category, authentication type, and technical requirements. It facilitates precise API discovery for developers by providing tools to query specific features like HTTPS support and CORS compatibility.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/gwgrbd0lk5)
- **Repository:** <https://github.com/Attilio81/MCP_PUBLIC_APIS>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "attilio81-mcp-public-apis"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/attilio81-mcp-public-apis` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/attilio81-mcp-public-apis/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt