MCP - routr

Agents call https://mcp.routr.to/mcp. https://api.routr.to/mcp is the same API. It does not use a different price. The cost of email_validate is the cost of POST /v1/email/validate. The transport is streamable HTTP with no session.

{
  "mcpServers": {
    "routr": {
      "url": "https://mcp.routr.to/mcp",
      "headers": {
        "Authorization": "Bearer rtr_test_your_key"
      }
    }
  }
}

Send Authorization: Bearer with the same API key. The tool is email_validate.

Argument	Required	Meaning
`email`	yes	Address to check. `jane@example.com` is an example.
`mode`	no	`smart`, `cheapest`, or `pinned`. Default `smart`.
`integrations`	no	Integration IDs. Required when `mode` is `pinned`.
`fallback`	no	When pinned, continue with the other vendors in smart order. Default false.
`max_credits`	no	Stop before a step that would exceed this many credits.
`timeout_ms`	no	How long each vendor may take, in milliseconds. Omit it to use each vendor’s own timeout. Example: `3000`.
`idempotency_key`	no	Replay this key within 24 hours and get the first response again.

A success result is the HTTP response body. An error result is the HTTP error body, with error.code, error.message, and error.retryable. The MCP result has no HTTP status and no Retry-After. retryable: true means wait and retry.