SERVER

One

Rank #3,993

ai.withone/mcp

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

4 versions

10 GitHub stars

by withoneai (3 servers)View repository ↗Claim this server

First listed

Mar 21, 2026

Last publish date

Aug 20, 2026

OVERVIEW

One is a Model Context Protocol (MCP) server published by withoneai. It ranks #3,993 of 132,608 servers tracked on MCP Toplist, and its repository has 10 GitHub stars. One is listed across 4 registries — Official MCP, PulseMCP, Glama and mcp.so, with 4 tracked versions. It was first listed on Mar 21, 2026 and most recently updated on Aug 20, 2026.

STANDING

#3,993of 132,608 tracked serversTop 5%

Ranks ahead of 128,615 of 132,608 servers on MCP Toplist.

CONNECT

Use One

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Remote · HTTP

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

npm package

claude mcp add withone -e "ONE_SECRET=<your ONE_SECRET>" -e "ONE_PERMISSIONS=<your ONE_PERMISSIONS>" -e "ONE_CONNECTION_KEYS=<your ONE_CONNECTION_KEYS>" -e "ONE_ACTION_IDS=<your ONE_ACTION_IDS>" -e "ONE_KNOWLEDGE_AGENT=<your ONE_KNOWLEDGE_AGENT>" -e "ONE_IDENTITY=<your ONE_IDENTITY>" -e "ONE_IDENTITY_TYPE=<your ONE_IDENTITY_TYPE>" -- npx -y @withone/mcp

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.withone]
url = "https://mcp.withone.ai/mcp"

Add to ~/.codex/config.toml.

npm package

[mcp_servers.withone]
command = "npx"
args = ["-y", "@withone/mcp"]

[mcp_servers.withone.env]
ONE_SECRET = "<your ONE_SECRET>"
ONE_PERMISSIONS = "<your ONE_PERMISSIONS>"
ONE_CONNECTION_KEYS = "<your ONE_CONNECTION_KEYS>"
ONE_ACTION_IDS = "<your ONE_ACTION_IDS>"
ONE_KNOWLEDGE_AGENT = "<your ONE_KNOWLEDGE_AGENT>"
ONE_IDENTITY = "<your ONE_IDENTITY>"
ONE_IDENTITY_TYPE = "<your ONE_IDENTITY_TYPE>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://mcp.withone.ai/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

npm package

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

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

npm package

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

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

Save as .vscode/mcp.json in your workspace.

npm package

{
  "servers": {
    "withone": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@withone/mcp"
      ],
      "env": {
        "ONE_SECRET": "<your ONE_SECRET>",
        "ONE_PERMISSIONS": "<your ONE_PERMISSIONS>",
        "ONE_CONNECTION_KEYS": "<your ONE_CONNECTION_KEYS>",
        "ONE_ACTION_IDS": "<your ONE_ACTION_IDS>",
        "ONE_KNOWLEDGE_AGENT": "<your ONE_KNOWLEDGE_AGENT>",
        "ONE_IDENTITY": "<your ONE_IDENTITY>",
        "ONE_IDENTITY_TYPE": "<your ONE_IDENTITY_TYPE>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

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

Add to ~/.codeium/windsurf/mcp_config.json.

npm package

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

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

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

npm package

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

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/ai.withone%2Fmcp.svg)](https://mcptoplist.com/server/ai.withone%2Fmcp)

HTML

<a href="https://mcptoplist.com/server/ai.withone%2Fmcp"><img src="https://mcptoplist.com/badge/ai.withone%2Fmcp.svg" alt="MCP Toplist: Top 5% of 132,608" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 4 registries

ORGANIZATION

withoneai

Organization

withoneai

Servers in org

Versions across org

Other servers by withoneai

One Agent Plugin#15,465 · 3 vers

View all withoneai servers →

VERSIONS

Available versions (4)

Version	Published
1.2.4	Aug 20, 2026
1.2.3	Aug 17, 2026
1.2.2	Aug 12, 2026
1.2.1	Aug 12, 2026

FAQ

Frequently asked questions

Who maintains One?: One is maintained by withoneai, which publishes 3 MCP servers (7 total versions) tracked on MCP Toplist.
Is One listed on the Official MCP Registry?: Yes — One is listed on the Official MCP Registry, alongside PulseMCP, Glama and mcp.so.
How many versions does One have?: MCP Toplist tracks 4 versions of One, most recently published on Aug 20, 2026.
Where can I find the source code for One?: The source code for One is hosted at github.com/withoneai/pica-mcp.

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