{"version":"2.1.275","anchor":"mcp-callauth-error-handling-block-heavily-refactored-no-be","canonical_anchor":"mcp-callauth-error-handling-block-heavily-refactored-no-be","heading":"MCP call\/auth error-handling block heavily refactored (no behavior change found)","tier":"internal","area":"MCP","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.275\/e\/mcp-callauth-error-handling-block-heavily-refactored-no-be","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.275","markdown":"### MCP call\/auth error-handling block heavily refactored (no behavior change found)\n\nMCP call and auth error-handling code was rewritten internally with no behavior change found\n\n**What**\n\nThe internal code handling MCP (Model Context Protocol, used to connect Claude Code to external tools and data) calls, authentication, clearing auth, and applying flag settings was restructured with new variable names throughout. The error messages it produces and the logic for when they occur appear unchanged.\n\n**Why**\n\nThis looks like internal cleanup rather than a change a user would notice.\n\n- Area: MCP\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5"}