Crawlora MCP

mirror_article

Read-only

Returns public Mirror article metadata and body paragraphs from a canonical article URL. url: Canonical Mirror article URL. Use mirror_headlines to get Mirror section headlines.

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": {
      "url": "<url>"
    },
    "name": "mirror_article"
  }
}

Input Schema

Name	Required	Description	Default
`url`	Yes	Canonical Mirror article URL

Output Schema

Name	Required	Description	Default
`data`	Yes	The tool result payload (shape varies per tool; see each tool's docs resource).

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 7, 2026
- addedInput schema / properties / url / description
```
Added value: +"Canonical Mirror article URL"
```
First observedOct 5, 2026

TDQS

A4/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description adds that content is 'public' and that both metadata and body paragraphs are returned, but says nothing about rate limits, authentication, or failure behavior for non-canonical URLs.

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

Conciseness5/5

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

Two sentences, front-loaded with the return content, then the parameter note, then the sibling redirect. No waste and appropriate for a single-parameter tool.

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

Completeness4/5

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

With an output schema present, the description needn't explain return values, and annotations cover read safety. The only remaining gap is that no canonical-URL example or format is given, which is minor for this simple tool.

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 the single 'url' parameter is described identically in both schema and description. The description adds no syntax, format, or validation detail beyond what the schema already provides, so baseline 3 is appropriate.

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

Purpose5/5

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

States a specific verb ('Returns'), resource ('public Mirror article metadata and body paragraphs'), and scope ('public', 'canonical article URL'). It explicitly names the sibling mirror_headlines as a different tool, letting an agent distinguish it without opening the schema.

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

Usage Guidelines4/5

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

It names mirror_headlines as the alternative for section headlines, giving an explicit redirect. However, it does not state when this tool should be preferred over other article-type siblings or any prerequisite for obtaining the canonical URL.

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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