AuditMe

Detect Regressions

detect_regressions

Idempotent

Compare two audit results and detect regressions. Requires API key.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "baselineUrl": "<baselineUrl>",
      "currentUrl": "<currentUrl>"
    },
    "name": "detect_regressions"
  }
}

Input Schema

Name	Required	Description	Default
`currentUrl`	Yes	Current URL to audit
`baselineUrl`	Yes	Baseline URL to audit

Output Schema

Name	Required	Description	Default
`summary`	No
`currentUrl`	Yes
`baselineUrl`	Yes
`regressions`	No
`improvements`	No

Schema Changelog

Changes observed during successful MCP inspections.

First observedOct 15, 2026

TDQS

B3.2/5.0

Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=false, idempotentHint=true, destructiveHint=false, and openWorldHint=true, so the safety profile is covered. The description adds one genuinely useful non-annotation detail (API key requirement) but says nothing about what constitutes a regression or what gets returned.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two short sentences with no filler and the core action front-loaded. It is efficient, though extremely terse for a comparison tool.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return-value explanation is not required, and annotations cover safety. Still, the description leaves the regression definition and the baseline-vs-current intent implicit, and its 'audit results' wording does not match the URL inputs.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and both URI parameters are documented in the schema, so the baseline of 3 applies. The description only vaguely gestures at 'two audit results' and adds no format or ordering meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ('Compare') and outcome ('detect regressions'), which is distinguishable from siblings like compare_competitors or seo_audit. However, it says it compares 'two audit results' while the schema takes two URLs to audit, leaving the actual operation slightly ambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No indication of when to use this versus seo_audit, compare_competitors, or monitor_site, and no named alternatives. The only actionable guidance is the 'Requires API key' prerequisite, which is a setup note rather than usage routing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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