# One

> One — ai-withone-mcp. Use this tool when you need to integrate and manage multiple APIs across various applications, to streamline workflows and automate tasks. It solves problems of API complexity and authentication, providing a unified interface to search, document, and execute API calls. With support for 500+ apps, it takes input in the form of API requests and returns authenticated API responses via a single MCP server.

Canonical page: https://skillsregistry.net/skills/ai-withone-mcp  
JSON: https://api.skillsregistry.net/v1/skills/ai-withone-mcp

## Description

Search, document and execute authenticated API calls across 700+ apps via one MCP server

## Trust

- **Trust score (0–1):** 0.92
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.2.1
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-26

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/ai.withone%2Fmcp)
- **Repository:** <https://github.com/withoneai/mcp>

## Use it

MCP endpoint published by the skill: `https://mcp.withone.ai/mcp`

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": "ai-withone-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/ai-withone-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/ai-withone-mcp/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