One MCP Server已验证已精选

What is One

One is a hosted MCP server that connects your agent to the apps your team already uses, through a single endpoint. Instead of installing one MCP server per app, you point your client at https://mcp.withone.ai/mcp once and sign in with OAuth.

How it works

Your agent lists the accounts you have connected, searches a platform for the action it needs, reads that action's real parameters and authentication before calling it, then executes it against the live account.

Because actions are discovered on demand rather than pre-loaded, connecting more apps does not enlarge the agent's tool surface, and the agent works from each platform's actual schema instead of inventing a field name and writing the wrong thing to a real account.

Apps

Gmail, Outlook, Slack, Microsoft Teams, Discord, Google Calendar, Notion, Linear, Jira, Asana, GitHub, Stripe, QuickBooks, Xero, Shopify, WooCommerce, HubSpot, Salesforce, Pipedrive, Attio, Zendesk, Intercom, Twilio, Airtable, Google Sheets, and many more.

Setup

Remote (recommended), nothing to install:

{
  "mcpServers": {
    "one": {
      "type": "http",
      "url": "https://mcp.withone.ai/mcp"
    }
  }
}

The first connection opens One's consent screen in your browser. There is no API key in the config.

Local, if you prefer stdio:

{
  "mcpServers": {
    "one": {
      "command": "npx",
      "args": ["-y", "@withone/mcp"],
      "env": { "ONE_SECRET": "your-one-api-key" }
    }
  }
}

Scoped access

On the consent screen you choose what the agent gets per connection: full access, read-only, or a specific list of actions. There is also a knowledge-only mode that removes the execute tool entirely, so the agent can read API schemas without firing live requests. Those choices are enforced server-side on every call and reflected back to the agent through each connection's access field, so it knows what it can run without guessing.

Links

• Dashboard: https://app.withone.ai
• Homepage: https://www.withone.ai/products/mcp
• Docs: https://www.withone.ai/docs/mcp
• Source (MIT): https://github.com/withoneai/mcp
• Official MCP registry: ai.withone/mcp