# Vigil — an outside witness for AI agents (com.vigilnotary/vigil): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/com.vigilnotary%2Fvigil/versions/latest)
- Connected to: https://vigilnotary.com/mcp
- Homepage: https://vigilnotary.com/
- Scoring rules: v2
- Tools: 26
- Average: 51.5 / 100 (Cloudy)
- Near-identical pairs: 0

This page shows how Vigil — an outside witness for AI agents (com.vigilnotary/vigil)'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: 26 tools. Above 25, models start to tell tools apart less well.

## Tools

- `vigil_journal_list`: 38 / 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.
- `vigil_leases`: 38 / 100
  - Major: The description only restates the name (6 words).
  - Major: The description is too short (6 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_pricing`: 42 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_verify_source`: 45 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: source_url, claim, options, options.max_age_seconds, options.max_price_usd.
  - Minor: The description mentions none of its 3 or more arguments.
- `vigil_anchors`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_info`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_lease_status`: 46 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_anchor`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_chain`: 49 / 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.
- `vigil_get_receipt`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_notarize`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_watchdog_status`: 49 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_usage`: 51 / 100
  - Minor: Says nothing about what it returns.
- `vigil_delete_watchdog`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_journal_delete`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_journal_get`: 52 / 100
  - Major: Says nothing about when to use it, or when not to.
- `vigil_renew_lease`: 52 / 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.
- `vigil_heartbeat`: 54 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_set_watchdog`: 54 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_revoke_key`: 55 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_register`: 59 / 100
  - Major: Says nothing about when to use it, or when not to.
- `vigil_grant_lease`: 60 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
- `vigil_journal_put`: 60 / 100
  - Minor: Says nothing about what it returns.
- `vigil_revoke_lease`: 60 / 100
  - Minor: Says nothing about what it returns.
- `vigil_verify_lease`: 64 / 100
- `vigil_verify_receipt`: 67 / 100

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