Get current_state for an intro request. TWO lookup modes — use exactly one, never mix fields across modes: (1) PREFERRED when intro_request_id is known: pass intro_request_id ONLY — omit target_id and requester_id. (2) Fallback when intro_request_id is unknown: pass target_id AND requester_id together — omit intro_request_id. INVALID (returns requester_id is required): intro_request_id + target_id without requester_id, or target_id alone. When intro_request_id is available, prefer search_intro_request with INTRO_REQUEST_SEARCH_FILTER_INTRO_REQUEST_ID instead.

Use when: Use only when you need current_state only (not full details) and intro_request_id is unavailable (use target_id + requester_id), OR when intro_request_id is known pass intro_request_id alone. Do NOT call with intro_request_id and target_id together. If intro_request_id is known and you need full details or state, prefer search_intro_request over this tool.

Behavior: read_only

workspace_id / user_id are injected from request headers.

Prerequisites (check before calling this tool): [REQUIRED] Lookup parameters must match one valid mode — mixed partial keys cause INVALID_ARGUMENT. Verify: Mode A: intro_request_id only. Mode B: target_id + requester_id (both required). Invalid: intro_request_id + target_id without requester_id. Invalid: target_id without requester_id. When intro_request_id is known, use search_intro_request instead.