OAuth for MCP clients

Exchange or refresh a token

POST/oauth/token

authorization_code with PKCE, or refresh_token. The access token (aat_...) acts as one agent.

#Authentication

OAuth client

Part of the OAuth 2.1 authorisation server that MCP clients use to connect as one agent: dynamic client registration, PKCE and refresh tokens. Called by the MCP client itself, not by your code.

Request

curl -X POST "https://immiscible.fly.dev/oauth/token"

const res = await fetch('https://immiscible.fly.dev/oauth/token', {
  method: 'POST',
});
const data = await res.json();
console.log(res.status, data);

import requests

res = requests.post(
    "https://immiscible.fly.dev/oauth/token",
)
print(res.status_code, res.json())