# SIGNL4 MCP by usefulapi (io.usefulapi/signl4): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.usefulapi%2Fsignl4/versions/latest)
- Connected to: https://signl4.usefulapi.io/mcp
- Homepage: https://usefulapi.io/signl4/
- Repository: https://github.com/m190/usefulapi-mcp
- Scoring rules: v2
- Tools: 18
- Average: 50.2 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how SIGNL4 MCP by usefulapi (io.usefulapi/signl4)'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

No server-wide issues.

## Tools

- `signl4_get_duty_summary`: 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.
- `signl4_get_alert_timeline`: 44 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `signl4_get_duty_status`: 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: user_id. Name the tool or the place that returns it, or models look it up first.
- `signl4_get_team`: 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: team_id. Name the tool or the place that returns it, or models look it up first.
- `signl4_get_user`: 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: user_id. Name the tool or the place that returns it, or models look it up first.
- `signl4_list_duty_schedules`: 46 / 100
  - 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.
- `signl4_list_teams`: 47 / 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.
- `signl4_acknowledge_alert`: 50 / 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.
- `signl4_annotate_alert`: 50 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `signl4_close_alert`: 50 / 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.
- `signl4_list_alerts`: 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.
- `signl4_list_categories`: 50 / 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: team_id. Name the tool or the place that returns it, or models look it up first.
- `signl4_get_alert`: 52 / 100
  - Minor: Says nothing about what it returns.
- `signl4_list_team_users`: 52 / 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.
- `signl4_list_users`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `signl4_list_audit_logs`: 54 / 100
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `signl4_get_alert_report`: 59 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
- `signl4_raise_alert`: 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: team_id. Name the tool or the place that returns it, or models look it up first.

Is your server listed here and you would rather it were not? Email support@forecall.dev, and we will take it off within 7 days.

[All scored servers](https://forecall.dev/en/servers)