SiFive

SiFive Cloud Services OAuth 2.0

The OAuth 2.0 authorization server that fronts the SiFive Cloud Services (SCS) portal at scs.sifive.com, where SiFive Core Designer and the rest of the SiFive development tooling are delivered. It publishes RFC 8414 authorization server metadata anonymously at /.well-known/oauth-authorization-server, supports the authorization_code and refresh_token grants with PKCE (S256), exposes token, introspection, revocation, userinfo, dynamic client registration and JWKS endpoints, and advertises the openid, mcp:read and mcp:write scopes. The protected resources behind it — including the MCP surface implied by those scopes — require a SiFive customer account.

GitHub

Documentation

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Authentication
https://raw.githubusercontent.com/api-evangelist/sifive/refs/heads/main/authentication/sifive-authentication.yml

Other Resources

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OAuthScopes
https://raw.githubusercontent.com/api-evangelist/sifive/refs/heads/main/scopes/sifive-scopes.yml
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ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/sifive/refs/heads/main/errors/sifive-problem-types.yml
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WellKnown
https://raw.githubusercontent.com/api-evangelist/sifive/refs/heads/main/well-known/sifive-well-known.yml
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APIsJSON
https://raw.githubusercontent.com/api-evangelist/sifive/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
aid: sifive-cloud-services-oauth
name: SiFive Cloud Services OAuth 2.0
description: The OAuth 2.0 authorization server that fronts the SiFive Cloud Services (SCS) portal at
  scs.sifive.com, where SiFive Core Designer and the rest of the SiFive development tooling are delivered.
  It publishes RFC 8414 authorization server metadata anonymously at /.well-known/oauth-authorization-server,
  supports the authorization_code and refresh_token grants with PKCE (S256), exposes token, introspection,
  revocation, userinfo, dynamic client registration and JWKS endpoints, and advertises the openid, mcp:read
  and mcp:write scopes. The protected resources behind it — including the MCP surface implied by those
  scopes — require a SiFive customer account.
humanURL: https://www.sifive.com/software/sifive-core-designer
baseURL: https://scs.sifive.com/o
tags:
- OAuth
- Authorization
- Identity
- Chip Design
- Developer Tools
properties:
- type: Authentication
  url: authentication/sifive-authentication.yml
- type: OAuthScopes
  url: scopes/sifive-scopes.yml
- type: ErrorCatalog
  url: errors/sifive-problem-types.yml
- type: WellKnown
  url: well-known/sifive-well-known.yml