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0x0 supports local command-based MCP servers and remote MCP HTTP endpoints.

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MCP commands

  • 0x0 mcp add: interactive setup and config write
  • 0x0 mcp list: list configured servers and status
  • 0x0 mcp auth [name]: start OAuth auth flow for remote servers
  • 0x0 mcp auth list: list OAuth-capable servers and auth status
  • 0x0 mcp logout [name]: remove stored OAuth credentials
  • 0x0 mcp debug <name>: inspect and test remote OAuth setup

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Config examples

mcp:
  local-files:
    type: local
    command: ['npx', '-y', '@modelcontextprotocol/server-filesystem', '.']

  remote-docs:
    type: remote
    url: https://example.com/mcp

  remote-oauth:
    type: remote
    url: https://example.com/mcp
    oauth:
      clientId: '{env:MCP_CLIENT_ID}'
      clientSecret: '{env:MCP_CLIENT_SECRET}'

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OAuth notes

  • Remote servers are treated as OAuth-capable by default unless oauth: false is set.
  • If client credentials are omitted, dynamic client registration may be attempted.
  • Auth state is persisted locally and shown in mcp list/mcp auth list.
See setup patterns and config examples in: