# chucho — Book Direct (io.github.chucho-ai/chucho): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.chucho-ai%2Fchucho/versions/latest)
- Connected to: https://chucho.ai/chatgpt/mcp
- Homepage: https://chucho.ai/chatgpt/
- Scoring rules: v2
- Tools: 18
- Average: 67.5 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how chucho — Book Direct (io.github.chucho-ai/chucho)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Major: 10 tools repeat the same note (86 words). Say it once in the server's instructions, and let each description say what only that tool does. The note does not count toward the tools' scores.
- Minor: The server's instructions are 10200 characters. Claude Code reads only the first 2,048 by default (Codex 0.154.0 reads them whole). Put what the server is for first.

## Tools

- `search_property_mentions`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: query.
- `record_property_event`: 47 / 100
  - Major: Arguments without a description: id, type, sessionId, locale.
  - Minor: Required identifiers whose description does not say where the value comes from: id, sessionId. Name the tool or the place that returns it, or models look it up first.
- `open_shortlist`: 48 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: locale, arrival, departure, minBedrooms, minBathrooms, pool, page.
  - Minor: No `required` list, so every argument is optional.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
- `prepare_enquiry`: 48 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: revision, locale, answers, idempotencyKey, id.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `get_stay_areas`: 55 / 100
  - Minor: Arguments without a description: locale.
  - Minor: No `required` list, so every argument is optional.
- `get_filters`: 62 / 100
  - Minor: Arguments without a description: locale, page.
  - Minor: No `required` list, so every argument is optional.
- `search_nearby_properties`: 63 / 100
  - Minor: Arguments without a description: locale, minBedrooms, minBathrooms, pool, page.
- `submit_enquiry`: 65 / 100
  - Major: Arguments without a description: approvalToken, guestApproved, idempotencyKey, id.
  - Minor: The meaning of the boolean argument guestApproved is unclear.
- `get_property`: 67 / 100
  - Major: Arguments without a description: id, locale.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `get_booking_link`: 68 / 100
  - Minor: Arguments without a description: id, locale.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `render_properties`: 71 / 100
  - Minor: Arguments without a description: ids, locale, searchContext.locale, searchContext.arrival, searchContext.departure, searchContext.minBedrooms, searchContext.minBathrooms, searchContext.pool, searchContext.page.
- `get_enquiry_form`: 73 / 100
  - Major: Arguments without a description: id, locale.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `explore_nearby`: 77 / 100
  - Minor: Arguments without a description: themes, locale.
  - Minor: Says nothing about what it returns.
- `inspect_travel_video`: 77 / 100
  - Minor: Arguments without a description: locale.
- `get_stay_quote`: 85 / 100
  - Minor: Arguments without a description: id, arrival, departure, guests.
  - Minor: Required identifiers whose description does not say where the value comes from: id. Name the tool or the place that returns it, or models look it up first.
- `open_explorer`: 86 / 100
  - Minor: The description is long (663 words). It helps selection but costs steps and tokens.
  - Minor: Arguments without a description: locale, arrival, departure, minBedrooms, minBathrooms, pool, page.
  - Minor: No `required` list, so every argument is optional.
- `get_stay_estimate`: 88 / 100
  - Major: Arguments without a description: id, windowStart, windowEnd, nights, guests.
- `search_properties`: 94 / 100
  - Minor: The description is long (1330 words). It helps selection but costs steps and tokens.
  - Minor: Arguments without a description: locale, arrival, departure, minBedrooms, minBathrooms, pool, page.
  - Minor: No `required` list, so every argument is optional.

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