Login.gov OIDC — Authentication

Login.gov OpenID Connect authentication capability. Covers discovery, authorization, token exchange, userinfo, and RP-initiated logout against the federal SSO IdP.

Login.gov OIDC — Authentication is a Naftiko capability published by Login.gov, one of 2 capabilities the APIs.io network indexes for this provider. It bundles 4 operations across the GET and POST methods.

The capability includes 3 read-only operations and 1 state-changing operation. Lead operation: Fetch the Login.gov OIDC discovery document. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include LoginGov, OIDC, Authentication, Federal, and SSO.

Run with Naftiko LoginGovOIDCAuthenticationFederalSSO

What You Can Do

GET

Getdiscovery — Get Login.gov OIDC Discovery Document

/v1/discovery

GET

Getjwks — Get Login.gov JWKS Signing Keys

/v1/jwks

POST

Exchangetoken — Exchange Authorization Code For Tokens

/v1/token

GET

Getuserinfo — Get Authenticated User Attributes

/v1/userinfo

MCP Tools

login-gov-get-discovery

Fetch the Login.gov OIDC discovery document.

read-only idempotent

login-gov-get-jwks

Fetch the Login.gov JWKS so id_token signatures can be verified.

read-only idempotent

login-gov-exchange-token

Exchange a Login.gov authorization code for an id_token and access_token.

login-gov-get-userinfo

Fetch authenticated user attributes using an access token.

read-only idempotent

Capability Spec

naftiko: 1.0.0-alpha2
info:
  label: Login.gov OIDC — Authentication
  description: Login.gov OpenID Connect authentication capability. Covers discovery, authorization, token exchange, userinfo, and RP-initiated logout against the federal SSO IdP.
  tags:
  - LoginGov
  - OIDC
  - Authentication
  - Federal
  - SSO
  created: '2026-05-25'
  modified: '2026-05-25'
binds:
- namespace: env
  keys:
    LOGIN_GOV_BASE_URL: LOGIN_GOV_BASE_URL
    LOGIN_GOV_CLIENT_ID: LOGIN_GOV_CLIENT_ID
    LOGIN_GOV_ACCESS_TOKEN: LOGIN_GOV_ACCESS_TOKEN
capability:
  consumes:
  - type: http
    namespace: login-gov-oidc
    baseUri: '{{env.LOGIN_GOV_BASE_URL}}'
    description: Login.gov OIDC endpoints. Default to sandbox idp.int.identitysandbox.gov; switch to secure.login.gov in production.
    resources:
    - name: discovery
      path: /.well-known/openid-configuration
      operations:
      - name: getDiscovery
        method: GET
        description: Get Login.gov OIDC Discovery Document
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: jwks
      path: /api/openid_connect/certs
      operations:
      - name: getJwks
        method: GET
        description: Get Login.gov JWKS Signing Keys
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: token
      path: /api/openid_connect/token
      operations:
      - name: exchangeToken
        method: POST
        description: Exchange Authorization Code For Tokens
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Form-encoded token request body.
          required: true
    - name: userinfo
      path: /api/openid_connect/userinfo
      operations:
      - name: getUserInfo
        method: GET
        description: Get Authenticated User Attributes
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: bearer
      value: '{{env.LOGIN_GOV_ACCESS_TOKEN}}'
      placement: header
  exposes:
  - type: rest
    namespace: login-gov-oidc-rest
    port: 8080
    description: REST adapter for Login.gov OIDC endpoints used by relying parties.
    resources:
    - path: /v1/discovery
      name: discovery
      description: Discovery document passthrough.
      operations:
      - method: GET
        name: getDiscovery
        description: Get Login.gov OIDC Discovery Document
        call: login-gov-oidc.getDiscovery
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/jwks
      name: jwks
      description: JWKS passthrough for id_token signature verification.
      operations:
      - method: GET
        name: getJwks
        description: Get Login.gov JWKS Signing Keys
        call: login-gov-oidc.getJwks
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/token
      name: token
      description: Token exchange passthrough.
      operations:
      - method: POST
        name: exchangeToken
        description: Exchange Authorization Code For Tokens
        call: login-gov-oidc.exchangeToken
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/userinfo
      name: userinfo
      description: UserInfo passthrough.
      operations:
      - method: GET
        name: getUserInfo
        description: Get Authenticated User Attributes
        call: login-gov-oidc.getUserInfo
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: login-gov-oidc-mcp
    port: 9090
    transport: http
    description: MCP adapter exposing read-only OIDC inspection tools.
    tools:
    - name: login-gov-get-discovery
      description: Fetch the Login.gov OIDC discovery document.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: login-gov-oidc.getDiscovery
      outputParameters:
      - type: object
        mapping: $.
    - name: login-gov-get-jwks
      description: Fetch the Login.gov JWKS so id_token signatures can be verified.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: login-gov-oidc.getJwks
      outputParameters:
      - type: object
        mapping: $.
    - name: login-gov-exchange-token
      description: Exchange a Login.gov authorization code for an id_token and access_token.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: login-gov-oidc.exchangeToken
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: login-gov-get-userinfo
      description: Fetch authenticated user attributes using an access token.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: login-gov-oidc.getUserInfo
      outputParameters:
      - type: object
        mapping: $.