SERVER

Attio MCP Server

Rank #7,396

io.github.kesslerio/attio-mcp-server

AI-powered Attio CRM access. Manage contacts, companies, deals, tasks, notes and workflows.

7 versions

69 GitHub stars

by kesslerio (9 servers)View repository ↗

First listed

May 30, 2025

Last publish date

Aug 25, 2026

PURPOSE

What you can do with Attio MCP Server

Attio MCP Server is a Model Context Protocol (MCP) server published by kesslerio. It ranks #7,396 of 144,396 active servers on MCP Toplist, and its repository has 69 GitHub stars. Attio MCP Server is listed across 2 registries — Official MCP and Glama, with 7 tracked versions. It was first listed on May 30, 2025 and most recently updated on Aug 25, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Attio MCP Server can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Attio MCP Server

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

ATTIO_API_KEY · required
ATTIO_WORKSPACE_ID · optional
ATTIO_MCP_TOOL_MODE · optional
MCP_LOG_LEVEL · optional

INSTALLATION AND FIRST TASK

Connect Attio MCP Server and confirm it works

npm package

claude mcp add attio-mcp-server -e "ATTIO_API_KEY=<your ATTIO_API_KEY>" -e "ATTIO_WORKSPACE_ID=<your ATTIO_WORKSPACE_ID>" -e "ATTIO_MCP_TOOL_MODE=<your ATTIO_MCP_TOOL_MODE>" -e "MCP_LOG_LEVEL=<your MCP_LOG_LEVEL>" -- npx -y attio-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.attio-mcp-server]
command = "npx"
args = ["-y", "attio-mcp"]

[mcp_servers.attio-mcp-server.env]
ATTIO_API_KEY = "<your ATTIO_API_KEY>"
ATTIO_WORKSPACE_ID = "<your ATTIO_WORKSPACE_ID>"
ATTIO_MCP_TOOL_MODE = "<your ATTIO_MCP_TOOL_MODE>"
MCP_LOG_LEVEL = "<your MCP_LOG_LEVEL>"

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

npm package

{
  "mcpServers": {
    "attio-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<your ATTIO_API_KEY>",
        "ATTIO_WORKSPACE_ID": "<your ATTIO_WORKSPACE_ID>",
        "ATTIO_MCP_TOOL_MODE": "<your ATTIO_MCP_TOOL_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "attio-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<your ATTIO_API_KEY>",
        "ATTIO_WORKSPACE_ID": "<your ATTIO_WORKSPACE_ID>",
        "ATTIO_MCP_TOOL_MODE": "<your ATTIO_MCP_TOOL_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

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

npm package

{
  "servers": {
    "attio-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<your ATTIO_API_KEY>",
        "ATTIO_WORKSPACE_ID": "<your ATTIO_WORKSPACE_ID>",
        "ATTIO_MCP_TOOL_MODE": "<your ATTIO_MCP_TOOL_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "attio-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<your ATTIO_API_KEY>",
        "ATTIO_WORKSPACE_ID": "<your ATTIO_WORKSPACE_ID>",
        "ATTIO_MCP_TOOL_MODE": "<your ATTIO_MCP_TOOL_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "attio-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "attio-mcp"
      ],
      "env": {
        "ATTIO_API_KEY": "<your ATTIO_API_KEY>",
        "ATTIO_WORKSPACE_ID": "<your ATTIO_WORKSPACE_ID>",
        "ATTIO_MCP_TOOL_MODE": "<your ATTIO_MCP_TOOL_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by kesslerio

View all kesslerio servers →

No task-specific alternatives are catalogued for Attio MCP Serveryet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: May 30, 2025
Latest version published: Aug 25, 2026
Version history: 7 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Aug 25, 2026

Registry sightings

Official MCP ↗listed since Apr 25, 2026 · still listed
Glama ↗listed since Apr 26, 2026 · delisted, last seen Apr 27, 2026

Do you maintain Attio MCP Server? to correct or enrich this profile.

VERSIONS

Available versions (7)

Version	Published
1.7.0	Aug 25, 2026
1.6.1	May 14, 2026
1.6.0	May 5, 2026
1.5.0	Apr 9, 2026
1.4.0	Dec 30, 2025
1.1.8	Oct 10, 2025
0.1.0	Nov 25, 2024

STANDING

#7,396of 144,396 active serversTop 10%

Ranks ahead of 137,000 of 144,396 servers on MCP Toplist.

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/io.github.kesslerio%2Fattio-mcp-server.svg)](https://mcptoplist.com/server/io.github.kesslerio%2Fattio-mcp-server)

HTML

<a href="https://mcptoplist.com/server/io.github.kesslerio%2Fattio-mcp-server"><img src="https://mcptoplist.com/badge/io.github.kesslerio%2Fattio-mcp-server.svg" alt="MCP Toplist: Top 10% of 144,396" /></a>

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

FAQ

Frequently asked questions

Who maintains Attio MCP Server?: Attio MCP Server is maintained by kesslerio, which publishes 9 MCP servers (19 total versions) tracked on MCP Toplist.
Is Attio MCP Server listed on the Official MCP Registry?: Yes — Attio MCP Server is listed on the Official MCP Registry, alongside Glama.
How many versions does Attio MCP Server have?: MCP Toplist tracks 7 versions of Attio MCP Server, most recently published on Aug 25, 2026.
Where can I find the source code for Attio MCP Server?: The source code for Attio MCP Server is hosted at github.com/kesslerio/attio-mcp-server.

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