{"version":"2.1.260","anchor":"new-hosted-oauth-mode-for-mcp-servers","canonical_anchor":"new-hosted-oauth-mode-for-mcp-servers","heading":"New \"hosted\" OAuth mode for MCP servers","tier":"internal","area":"MCP","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.260\/e\/new-hosted-oauth-mode-for-mcp-servers","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.260","markdown":"### New \"hosted\" OAuth mode for MCP servers\n\nMCP servers gain a hosted OAuth mode using Anthropic-managed client identity.\n\n`McpOauth` gains a third mode, `hosted`, alongside `dcr` and `byo`: an Anthropic-hosted client identity that requires Claude.ai sign-in, where `clientId` is set by the Claude.ai control plane rather than authored by the admin.\n\n- Area: MCP\n- Names: `hosted`\n- Tier: Under the hood\n- Useful: 3\/5\n- Signal: 2\/5"}