{"version":"2.1.128","anchor":"mcp-tool-search-handles-late-connecting-servers-better-gradu","canonical_anchor":"mcp-tool-search-handles-late-connecting-servers-better-gradu","heading":"MCP Tool Search Handles Late-Connecting Servers Better [Gradual Rollout]","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.128\/e\/mcp-tool-search-handles-late-connecting-servers-better-gradu","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.128","markdown":"### MCP Tool Search Handles Late-Connecting Servers Better [Gradual Rollout]\n\nTool search can now refresh MCP clients and retry selection\/search when matching tools may still be arriving from connecting servers.\n\n**Details**\n\n- When enabled, direct `select:<tool_name>` can retry after an MCP refresh.\n- Keyword searches can also refresh before declaring that no tools match.\n- Claude receives clearer guidance that connecting MCP servers may expose tools shortly.\n- This behavior is gated by `tengu_ashen_kelp`.\n\n**Evidence**\n\nDeferred tool refresh behavior (search for `\"ToolSearchTool: partial select after MCP refresh\"` and `\"tengu_ashen_kelp\"`)\n\n- Flag `tengu_ashen_kelp`: On for this account, and not off by default (read for one account on one subscription tier against v2.1.128; this account: on, anonymous baseline: on, compiled default: no gate table built for this version) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release."}