Attio MCP Server runs on your own machine — the client starts it, so there is no endpoint to ping. 962 installs a week from npm. Last commit 16 Oct 2026.
AI-powered Attio CRM access. Manage contacts, companies, deals, tasks, notes and workflows.
What the code does
We read the source, 2 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
postinstall: [ -d .git ] && husky || echo 'Skipping git hooks setup (not a git repository)'
const fullPath = path.join(outputPath, relativePath);
const diffOutput = execSync(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add attio-mcp-server -e 'ATTIO_API_KEY=<ATTIO_API_KEY>' -- npx -y attio-mcp{
"mcpServers": {
"attio-mcp-server": {
"command": "npx",
"args": [
"-y",
"attio-mcp"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>"
}
}
}
}[mcp_servers.attio-mcp-server]
command = "npx"
args = ["-y", "attio-mcp"]
env = { ATTIO_API_KEY = "<ATTIO_API_KEY>" }{
"mcpServers": {
"attio-mcp-server": {
"command": "npx",
"args": [
"-y",
"attio-mcp"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>"
}
}
}
}{
"servers": {
"attio-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"attio-mcp"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>"
}
}
}
}Put your own value in place of
<ATTIO_API_KEY> (Your Attio API key (required for all tools except health-check)).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
ATTIO_WORKSPACE_ID (Optional Attio workspace ID for workspace-specific operations), ATTIO_MCP_TOOL_MODE (Tool mode: 'full' (all tools) or 'search' (search tools only). Default: 'full'), MCP_LOG_LEVEL (Logging level: 'DEBUG', 'INFO', 'WARN', 'ERROR'. Default: 'INFO').
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Attio MCP Server — questions
Answers built from our own checks of this server.