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Grinv

MAL MCP Server

Get recent manga recommendations

get_recent_manga_recommendations
Read-only

Retrieve recently submitted manga recommendation pairs ('if you liked X, try Y') with user commentary from the entire site. Use for browsing general recommendations instead of title-specific ones.

Instructions

Get a site-wide feed of recently-submitted manga recommendation pairs (e.g. 'if you liked X, try Y') with the submitting user's own commentary — not tied to any one title. Use get_manga_recommendations instead for recommendations similar to a specific mal_id. No official-API fallback exists for this tool — it always needs Tenrai itself to be reachable.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
sfwNoIf true, exclude adult/explicit-rated entries (R+ Mild Nudity and up). Defaults to false (no filtering). Note: this alone still allows mainstream, safely-rated shows tagged with the Ecchi genre (fanservice) through — use `sfw_strict` to also exclude those.
pageNo1-based page number for pagination (1-1000).
limitNoMax results per page (1-100).
sfw_strictNoIf true, exclude adult/explicit-rated entries AND anything tagged with the Ecchi genre, even otherwise-mainstream/safely-rated shows. Stricter than `sfw` alone. Defaults to false.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageYes
resultsYes
Behavior4/5

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

Annotations already indicate readOnlyHint and openWorldHint. The description adds context that no official-API fallback exists, requiring Tenrai dependency, and mentions inclusion of user commentary. Could add more on rate limits or pagination, but already strong.

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 concise sentences: first covers purpose and output, second provides usage guidance. Every sentence adds value, no fluff.

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

Completeness5/5

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

Given the output schema exists, the description sufficiently covers what the tool returns, how to use it, and its external dependency. All necessary context is present.

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% with detailed descriptions for all four parameters (sfw, page, limit, sfw_strict). The tool description adds no extra parameter meaning beyond the schema, 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?

Clearly states it returns a site-wide feed of recent manga recommendation pairs with user commentary, and explicitly distinguishes from get_manga_recommendations which is for a specific mal_id.

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

Usage Guidelines5/5

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

Explicitly tells when to use this tool vs. the sibling get_manga_recommendations, and warns that there is no official-API fallback, requiring Tenrai to be reachable.

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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