One

Remote (streamable-http)

https://mcp.withone.ai/mcp Requires auth (checked 2026-09-24)

Claude Code:

claude mcp add --transport http mcp https://mcp.withone.ai/mcp

Or add to your MCP client config:

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.withone.ai/mcp"
    }
  }
}

Package (npm 1.2.4)

npx -y @withone/mcp@1.2.4

Or add to your MCP client config:

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@withone/mcp@1.2.4"
      ],
      "env": {
        "ONE_SECRET": "<YOUR_VALUE>",
        "ONE_PERMISSIONS": "<YOUR_VALUE>",
        "ONE_CONNECTION_KEYS": "<YOUR_VALUE>",
        "ONE_ACTION_IDS": "<YOUR_VALUE>",
        "ONE_KNOWLEDGE_AGENT": "<YOUR_VALUE>",
        "ONE_IDENTITY": "<YOUR_VALUE>",
        "ONE_IDENTITY_TYPE": "<YOUR_VALUE>"
      }
    }
  }
}

• ONE_SECRET required secret — One API key from https://app.withone.ai/settings/api-keys
• ONE_PERMISSIONS — Restrict actions by HTTP method: read (GET), write (GET/POST/PUT/PATCH) or admin (all)
• ONE_CONNECTION_KEYS — Comma-separated connection keys the agent may see, or * for all
• ONE_ACTION_IDS — Comma-separated action IDs the agent may see and run, or * for all
• ONE_KNOWLEDGE_AGENT — Set true to drop execute_one_action and run in knowledge-only mode
• ONE_IDENTITY — Scope connections to a single user, team, organization or project identifier
• ONE_IDENTITY_TYPE — Type of ONE_IDENTITY: user, team, organization or project