Crawlora MCP

youtube_playlist

Read-only

Fetch one YouTube playlist and its entries, with an optional continuation token. Use youtube_video when you need details for one video.

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": {
      "id": "<id>"
    },
    "name": "youtube_playlist"
  }
}

Input Schema

Name	Required	Description	Default
`id`	Yes	YouTube video, playlist, or channel id/handle/URL.
`continuation_token`	No	Pagination token from a previous response.

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.

First observedOct 5, 2026

TDQS

A3.8/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so safety is covered. The description hints at pagination via the continuation token, but that is also in the schema, and it adds no other behavioral context (no rate limits, no auth needs).

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 short sentences, front-loaded with what the tool does before the sibling routing hint. No wasted words.

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?

For a simple read-only fetch with an output schema covering return values and full parameter coverage, the description is nearly sufficient. Only the lack of differentiation from youtube_channel_playlists keeps it short of complete.

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 coverage is 100%, so both parameters are already documented. The description simply restates the optional continuation token and adds no syntax or format detail beyond the schema, which is the baseline 3 case.

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 and resource: 'Fetch one YouTube playlist and its entries', and distinguishes from youtube_video for single-video details. It does not, however, differentiate from the closer sibling youtube_channel_playlists, which also returns playlists.

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?

Gives clear usage context (fetch a playlist and its entries) and names the alternative youtube_video with the condition that selects it. It omits guidance against youtube_channel_playlists, but the core routing is explicit.

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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