nat.plugins.fastmcp.server.token_verifier

FastMCP token verifier backed by NAT’s OAuth2 resource-server validator.

Classes

NATFastMCPTokenVerifier

FastMCP token verifier that delegates validation to BearerTokenValidator.

Module Contents

class NATFastMCPTokenVerifier(

config: nat.authentication.oauth2.oauth2_resource_server_config.OAuth2ResourceServerConfig,

*,

base_url: str,

)

Bases: fastmcp.server.auth.TokenVerifier

FastMCP token verifier that delegates validation to BearerTokenValidator.

_bearer_token_validator

async verify_token(token: str) → fastmcp.server.auth.AccessToken | None

Verify a bearer token and adapt the result to FastMCP’s access-token model.