# haggl.ai (ai.haggl/haggl): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/ai.haggl%2Fhaggl/versions/latest)
- Connected to: https://www.haggl.ai/api/mcp
- Homepage: https://www.haggl.ai/protocol
- Scoring rules: v2
- Tools: 17
- Average: 66.9 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how haggl.ai (ai.haggl/haggl)'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

- Minor: The server's instructions are 4294 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

- `haggl_hotel_cashback_add_trip`: 50 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_hotel_cashback_get`: 50 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: claim_id.
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id, claim_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_hotel_cashback_stay`: 55 / 100
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id, claim_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_get_my_offers`: 58 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_get_negotiation`: 58 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: session_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_hotel_cashback`: 62 / 100
- `haggl_delete_haggl_id`: 63 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_search_catalog`: 65 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: vendor_id.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: vendor_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_start_negotiation`: 65 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: vendor_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_submit_offer`: 68 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Required identifiers whose description does not say where the value comes from: session_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_request_haggl_id_confirmation`: 70 / 100
- `haggl_get_bids`: 72 / 100
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_accept_offer`: 75 / 100
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Required identifiers whose description does not say where the value comes from: session_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_hotel_cashback_claim`: 77 / 100
  - Minor: String arguments with no constraint or example: terms_version.
  - Minor: Required identifiers whose description does not say where the value comes from: haggl_id. Name the tool or the place that returns it, or models look it up first.
- `haggl_list_vendors`: 80 / 100
- `haggl_create_haggl_id`: 85 / 100
  - Minor: The description is long (491 words). It helps selection but costs steps and tokens.
  - Minor: No `required` list, so every argument is optional.
- `haggl_search_discounts`: 85 / 100

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