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alfworld-search-verifier

Re-examines previously visited locations to confirm the absence of a target object or to check for overlooked items. Use when an initial search fails to find enough objects or when double-checking is required before concluding task failure. Systematically revisits receptacles, re-opens closed containers, and re-inspects contents to ensure no viable location was missed.

experiments/src/skills/alfworld/alfworld-search-verifier/SKILL.md

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Last checked
Nov 7, 2026

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Nov 2, 2026
License
MIT

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# Instructions

**Trigger Condition:** Use this skill when an initial search for a target object (e.g., `cellphone`) has been performed but the required quantity has not been found, or when you need to verify that no viable location was missed before task failure.

## Core Procedure

1.  **Initialize Tracking:** Maintain a mental or explicit list of all receptacles (`recep`) you have already visited during your initial search (e.g., `sidetable 1`, `shelf 1-8`, `drawer 1`, `drawer 2`, `desk 1`).

2.  **Systematic Revisit:** Do not search new, unvisited locations. Instead, systematically return to each previously visited receptacle in a logical order (e.g., by proximity or by the original search sequence).
    *   **Action:** Use `go to {recep}` to navigate.
    *   **For Closed Receptacles:** If a receptacle was closed during the initial search and you opened it, it may be closed again. Re-open it to verify its contents.
        *   **Action:** Use `open {recep}`.
    *   **For Open/Empty Receptacles:** Observe the contents again. The state may have changed, or an item may have been overlooked.
    *   **Action:** No action needed; read the `Observation`.