What is the Cairn MCP server?
Log Claude Code work sessions, file edits, and tasks to your Cairn account.
How to install Cairn
Copy-paste configuration for popular MCP clients.
CAIRN_TOKENsecretYour Cairn API token, copied from the web app account menu. If unset, the server reads it from ~/.cairn_token.
CAIRN_API_URLBase URL of the Cairn API. Defaults to production.
{
"mcpServers": {
"cairn-mcp": {
"command": "uvx",
"args": [
"cairn-mcp"
],
"env": {
"CAIRN_TOKEN": "<YOUR_CAIRN_TOKEN>",
"CAIRN_API_URL": "<YOUR_CAIRN_API_URL>"
}
}
}
}{
"mcpServers": {
"cairn-mcp": {
"command": "uvx",
"args": [
"cairn-mcp"
],
"env": {
"CAIRN_TOKEN": "<YOUR_CAIRN_TOKEN>",
"CAIRN_API_URL": "<YOUR_CAIRN_API_URL>"
}
}
}
}{
"mcpServers": {
"cairn-mcp": {
"command": "uvx",
"args": [
"cairn-mcp"
],
"env": {
"CAIRN_TOKEN": "<YOUR_CAIRN_TOKEN>",
"CAIRN_API_URL": "<YOUR_CAIRN_API_URL>"
}
}
}
}{
"servers": {
"cairn-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"cairn-mcp"
],
"env": {
"CAIRN_TOKEN": "<YOUR_CAIRN_TOKEN>",
"CAIRN_API_URL": "<YOUR_CAIRN_API_URL>"
}
}
}
}claude mcp add cairn-mcp --env CAIRN_TOKEN=<YOUR_CAIRN_TOKEN> --env CAIRN_API_URL=<YOUR_CAIRN_API_URL> -- uvx cairn-mcpRelated MCP servers
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