CallRail MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 134 installs a week from pypi. Last commit 8 Sep 2026.
CallRail REST API v3: 57 tools for calls, leads, trackers, tags, users, and agency reporting.
Today is the operative word: we check CallRail MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 callrail-mcp -- uvx callrail-mcp
{
"mcpServers": {
"callrail-mcp": {
"args": [
"callrail-mcp"
],
"command": "uvx"
}
}
}
[mcp_servers.callrail-mcp]
command = "uvx"
args = ["callrail-mcp"]
{
"mcpServers": {
"callrail-mcp": {
"args": [
"callrail-mcp"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"callrail-mcp": {
"args": [
"callrail-mcp"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
CALLRAIL_API_KEY (CallRail API key. Get one at Settings > API Keys in your CallRail account (requires Account Admin). Alternatively set CALLRAIL_API_KEY_FILE to a file path containing the key.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.