# CATS MCP by usefulapi (io.usefulapi/cats-ats): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.usefulapi%2Fcats-ats/versions/latest)
- Connected to: https://cats-ats.usefulapi.io/mcp
- Homepage: https://usefulapi.io/cats-ats/
- Repository: https://github.com/m190/usefulapi-mcp
- Scoring rules: v2
- Tools: 34
- Average: 45.9 / 100 (Cloudy)
- Near-identical pairs: 6

This page shows how CATS MCP by usefulapi (io.usefulapi/cats-ats)'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: 34 tools. Above 25, models start to tell tools apart less well.

## Tools

- `cats_get_candidate`: 36 / 100
  - Major: The description only restates the name (9 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.
- `cats_get_company`: 36 / 100
  - Major: The description only restates the name (7 words).
  - Major: The description is too short (7 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: company_id. Name the tool or the place that returns it, or models look it up first.
- `cats_get_task`: 36 / 100
  - Major: The description only restates the name (7 words).
  - Major: The description is too short (7 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: task_id. Name the tool or the place that returns it, or models look it up first.
- `cats_search_companies`: 36 / 100
  - Major: The description only restates the name (9 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `cats_get_contact`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: contact_id. Name the tool or the place that returns it, or models look it up first.
- `cats_get_job`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: job_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_candidate_tasks`: 40 / 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: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_companies`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_activities`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_job_statuses`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_search_contacts`: 43 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `cats_search_jobs`: 43 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `cats_get_pipeline`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: pipeline_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_candidate_activities`: 44 / 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: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_candidate_pipelines`: 44 / 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: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_contacts`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_job_pipelines`: 44 / 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: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: job_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_jobs`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_pipelines`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_tasks`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_users`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_workflow_statuses`: 44 / 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: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: workflow_id. Name the tool or the place that returns it, or models look it up first.
- `cats_get_site`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `cats_list_workflows`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_search_candidates`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `cats_get_pipeline_status_history`: 49 / 100
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: pipeline_id. Name the tool or the place that returns it, or models look it up first.
- `cats_list_candidates`: 50 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `cats_list_candidate_attachments`: 55 / 100
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.
- `cats_create_candidate`: 56 / 100
  - Minor: Arguments without a description: first_name, last_name, current_employer, city, state, postal_code, key_skills, notes.
  - Minor: Says nothing about what it returns.
- `cats_create_task`: 56 / 100
  - Minor: Says nothing about what it returns.
- `cats_filter_candidates`: 58 / 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: Says nothing about what it returns.
- `cats_filter_pipelines`: 58 / 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: Says nothing about what it returns.
- `cats_change_pipeline_status`: 60 / 100
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: pipeline_id, status_id. Name the tool or the place that returns it, or models look it up first.
- `cats_add_candidate_activity`: 66 / 100
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: candidate_id. Name the tool or the place that returns it, or models look it up first.

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