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Grinv

MAL MCP Server

Get top characters

get_top_characters
Read-only

Retrieve character rankings based on popularity and favorites across MyAnimeList. Paginate with page and limit to browse results.

Instructions

Get the most popular/favorited characters, ranked overall. Use search_characters instead to look up a specific character by name.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNo1-based page number for pagination. No upper bound — this ranking runs to the end of MAL's own catalog.
limitNoMax results per page (1-50).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageYes
resultsYes

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed31 schema fields changedv0.9.0
    • changedInput schema / properties / limit / description
      Previous value: -"Max results per page (1-25)."New value: +"Max results per page (1-50)."
    • changedInput schema / properties / limit / maximum
      Previous value: -25New value: +50
    • changedInput schema / properties / page / description
      Previous value: -"1-based page number for pagination."New value: +"1-based page number for pagination. No upper bound — this ranking runs to the end of MAL's own catalog."
    • addedOutput schema / properties / page / properties / current_page / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / page / properties / current_page / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / page / properties / current_page / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / page / properties / last_visible_page / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / page / properties / last_visible_page / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / page / properties / last_visible_page / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / page / properties / total / maximum
      Added value: +9007199254740991
    • addedOutput schema / properties / page / properties / total / minimum
      Added value: +0
    • changedOutput schema / properties / page / properties / total / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / anime / items / properties / mal_id / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / results / items / properties / anime / items / properties / mal_id / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / results / items / properties / anime / items / properties / mal_id / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / anime / items / required
      Added value: +[
      +  "mal_id"
      +]
    • addedOutput schema / properties / results / items / properties / favorites / maximum
      Added value: +9007199254740991
    • addedOutput schema / properties / results / items / properties / favorites / minimum
      Added value: +0
    • changedOutput schema / properties / results / items / properties / favorites / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / mal_id / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / results / items / properties / mal_id / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / results / items / properties / mal_id / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / manga / items / properties / mal_id / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / results / items / properties / manga / items / properties / mal_id / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / results / items / properties / manga / items / properties / mal_id / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / manga / items / required
      Added value: +[
      +  "mal_id"
      +]
    • addedOutput schema / properties / results / items / properties / voice_actors / items / properties / mal_id / exclusiveMinimum
      Added value: +0
    • addedOutput schema / properties / results / items / properties / voice_actors / items / properties / mal_id / maximum
      Added value: +9007199254740991
    • changedOutput schema / properties / results / items / properties / voice_actors / items / properties / mal_id / type
      Previous value: -"number"New value: +"integer"
    • addedOutput schema / properties / results / items / properties / voice_actors / items / required
      Added value: +[
      +  "mal_id"
      +]
    • addedOutput schema / properties / results / items / required
      Added value: +[
      +  "mal_id"
      +]
  2. Changed1 schema field changedv0.8.0
    • addedInput schema / additionalProperties
      Added value: +false
  3. Changed2 schema fields changedv0.7.1
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "$schema": "https://json-schema.org/draft/2020-12/schema",
      +  "additionalProperties": false,
      +  "properties": {
      +    "page": {
      +      "additionalProperties": false,
      +      "properties": {
      +        "current_page": {
      +          "type": "number"
      +        },
      +        "has_next_page": {
      +          "type": "boolean"
      +        },
      +        "last_visible_page": {
      +          "type": "number"
      +        },
      +        "total": {
      +          "type": "number"
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "results": {
      +      "items": {
      +        "additionalProperties": false,
      +        "properties": {
      +          "about": {
      +            "type": "string"
      +          },
      +          "anime": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "mal_id": {
      +                  "type": "number"
      +                },
      +                "position": {
      +                  "type": "string"
      +                },
      +                "role": {
      +                  "type": "string"
      +                },
      +                "title": {
      +                  "type": "string"
      +                }
      +              },
      +              "type": "object"
      +            },
      +            "type": "array"
      +          },
      +          "favorites": {
      +            "type": "number"
      +          },
      +          "image_url": {
      +            "type": "string"
      +          },
      +          "mal_id": {
      +            "type": "number"
      +          },
      +          "manga": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "mal_id": {
      +                  "type": "number"
      +                },
      +                "position": {
      +                  "type": "string"
      +                },
      +                "role": {
      +                  "type": "string"
      +                },
      +                "title": {
      +                  "type": "string"
      +                }
      +              },
      +              "type": "object"
      +            },
      +            "type": "array"
      +          },
      +          "name": {
      +            "type": "string"
      +          },
      +          "name_kanji": {
      +            "type": "string"
      +          },
      +          "nicknames": {
      +            "items": {
      +              "type": "string"
      +            },
      +            "type": "array"
      +          },
      +          "url": {
      +            "type": "string"
      +          },
      +          "voice_actors": {
      +            "items": {
      +              "additionalProperties": false,
      +              "properties": {
      +                "language": {
      +                  "type": "string"
      +                },
      +                "mal_id": {
      +                  "type": "number"
      +                },
      +                "name": {
      +                  "type": "string"
      +                }
      +              },
      +              "type": "object"
      +            },
      +            "type": "array"
      +          }
      +        },
      +        "type": "object"
      +      },
      +      "type": "array"
      +    }
      +  },
      +  "required": [
      +    "results",
      +    "page"
      +  ],
      +  "type": "object"
      +}
  4. Addedv0.2.0

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint and openWorldHint. Description adds context about ranking and popularity, but doesn't disclose further behavioral traits beyond what annotations provide.

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 with front-loaded purpose, no wasted text.

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?

Given the simple tool, output schema existence, and full parameter coverage, the description is nearly complete. Could potentially mention pagination behavior, but not necessary.

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 description adds no additional meaning to parameters beyond what the schema already provides.

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 retrieves the most popular/favorited characters ranked overall. Distinguishes from search_characters for specific lookups.

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 advises using search_characters for specific character lookups, providing clear when-to-use guidance.

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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