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We found ref-tools-mcp in the official MCP registry. Our automated check passed on Nov 1, 2026 (it confirms the server is published and reachable), but no one at CuratedMCP has reviewed its code, permissions or credentials handling. Check what it can access before you give it keys. Scan your machine free to see every MCP server you have installed.
from agents import Agent
from agents.mcp import MCPServerStdio
async with MCPServerStdio(
params={
"command": "npx",
"args": [
"-y",
"ref-tools-mcp"
],
"env": {
"REF_API_KEY": "<your-ref-api-key>"
}
},
) as server:
agent = Agent(name="Assistant", mcp_servers=[server])Replace the values in angle brackets. Optional settings are listed below.
| Environment variable | Required | What it is |
|---|---|---|
| REF_API_KEYsecret | Yes | Your API key for Ref |
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