AI-powered Attio CRM access. Manage contacts, companies, deals, tasks, notes and workflows.
Connect Runs on your machine
claude mcp add attio-mcp-server -e ATTIO_API_KEY=<ATTIO_API_KEY> -e ATTIO_WORKSPACE_ID=<ATTIO_WORKSPACE_ID> -e ATTIO_MCP_TOOL_MODE=<ATTIO_MCP_TOOL_MODE> -e MCP_LOG_LEVEL=<MCP_LOG_LEVEL> -- npx -y [email protected]
{
"mcpServers": {
"attio-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>",
"ATTIO_WORKSPACE_ID": "<ATTIO_WORKSPACE_ID>",
"ATTIO_MCP_TOOL_MODE": "<ATTIO_MCP_TOOL_MODE>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}
{
"mcpServers": {
"attio-mcp-server": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>",
"ATTIO_WORKSPACE_ID": "<ATTIO_WORKSPACE_ID>",
"ATTIO_MCP_TOOL_MODE": "<ATTIO_MCP_TOOL_MODE>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}
{
"servers": {
"attio-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"ATTIO_API_KEY": "<ATTIO_API_KEY>",
"ATTIO_WORKSPACE_ID": "<ATTIO_WORKSPACE_ID>",
"ATTIO_MCP_TOOL_MODE": "<ATTIO_MCP_TOOL_MODE>",
"MCP_LOG_LEVEL": "<MCP_LOG_LEVEL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
ATTIO_API_KEYRequired, secret | Your Attio API key (required for all tools except health-check) |
ATTIO_WORKSPACE_IDOptional | Optional Attio workspace ID for workspace-specific operations |
ATTIO_MCP_TOOL_MODEOptional | Tool mode: 'full' (all tools) or 'search' (search tools only). Default: 'full' |
MCP_LOG_LEVELOptional | Logging level: 'DEBUG', 'INFO', 'WARN', 'ERROR'. Default: 'INFO' |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 25 Aug 2026 |
| Last updated | 25 Aug 2026 |
| Registry name | io.github.kesslerio/attio-mcp-server |
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