{"name":"tengu_repl_mcp_error_throw","slug":"tengu-repl-mcp-error-throw","family":"flag","title":"Feature flags","noun":"feature flag","description":"The gate behind MCP error-throwing now reads under the name tengu_tranquil_fern instead of tengu_repl_mcp_error_throw","description_source":"entry","described_by":{"version":"2.1.275","anchor":"tengu-repl-mcp-error-throw-gate-appears-renamed-to-tengu-tra"},"presence":{"first_seen":"2.1.217","removed_in":"2.1.275","in_current_build":false,"newest_mined":"2.1.308","builds":49,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.275","anchor":"tengu-repl-mcp-error-throw-gate-appears-renamed-to-tengu-tra","heading":"tengu_repl_mcp_error_throw gate appears renamed to tengu_tranquil_fern","line":"The gate behind MCP error-throwing now reads under the name tengu_tranquil_fern instead of tengu_repl_mcp_error_throw","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.217","anchor":"mcp-tool-errors-now-throw-typed-exceptions-in-workflow-scrip","heading":"MCP Tool Errors Now Throw Typed Exceptions in Workflow Scripts","line":null,"released_at":"2026-07-21 19:55:38","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[{"version":"2.1.275","state":"unknown","account":null,"baseline":null,"code_default":null},{"version":"2.1.217","state":"unknown","account":null,"baseline":null,"code_default":true}],"related":[{"name":"tengu_repl_diff_panel_shown","slug":"tengu-repl-diff-panel-shown","description":"Opening the diff panel records one event with your terminal width bucket."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-repl-mcp-error-throw","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}