{"version":"2.1.31","anchor":"tool-names-in-messages-in-development","canonical_anchor":"tool-names-in-messages-in-development","heading":"Tool Names in Messages [In Development]","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.31\/e\/tool-names-in-messages-in-development","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.31","markdown":"### Tool Names in Messages [In Development]\n\n**What**\n\nA feature that changes how deferred tool search prompts are constructed when tool names are injected into messages.\n\n**Status**\n\nFeature-flagged via `tengu_tst_names_in_messages` (default false)\n\n**Details**\n\n- Controlled by `CLAUDE_CODE_TST_NAMES_IN_MESSAGES` environment variable or the `tengu_tst_names_in_messages` feature flag\n- When enabled, returns a different tool search prompt variant (`CS9`) instead of the default\n- Appears to change how the ToolSearchTool presents its available tools list\n\n**Evidence**\n\nTool names in messages feature (search for `\"CLAUDE_CODE_TST_NAMES_IN_MESSAGES\"`, gated by `tengu_tst_names_in_messages`)"}