{"version":"2.1.307","anchor":"mcp-oauth-discovery-re-reads-the-credential-store-during-an","canonical_anchor":"mcp-oauth-discovery-re-reads-the-credential-store-during-an","heading":"MCP sign-in picks up credentials saved by another Claude Code window","tier":"notice","area":"MCP","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.307\/e\/mcp-oauth-discovery-re-reads-the-credential-store-during-an","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.307","markdown":"### MCP sign-in picks up credentials saved by another Claude Code window\n\nWhile an MCP server is waiting for you to sign in, Claude Code now re-reads saved credentials and picks up a login made in another process\n\n**What**\n\nSome MCP servers, outside programs that give Claude Code extra tools, need you to sign in. While a server is waiting for sign-in, Claude Code now reads its saved credentials again before it works out what to do next. If you completed the sign-in in another Claude Code window or process, that login is picked up.\n\n**Why**\n\nYou are asked to sign in to the same MCP server fewer times.\n\n- Area: MCP\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 1\/5\n- Scope: individual\n- Heads-up: no"}