MAL MCP Server

Get anime statistics

get_anime_statistics

Read-only

Retrieves watch-status counts and score distribution for an anime by MyAnimeList ID. Use search_anime to find the ID and assess the community's reception.

Instructions

Get watch-status counts (watching/completed/…) and the score distribution for an anime by mal_id. Get the mal_id from search_anime. If Tenrai is unavailable and MAL_CLIENT_ID is set, transparently retries via the official API, which omits the score distribution (scores) entirely — no equivalent field there.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`id`	Yes	MyAnimeList numeric ID.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`total`	No
`scores`	No
`dropped`	No
`on_hold`	No
`reading`	No
`watching`	No
`completed`	No
`plan_to_read`	No
`plan_to_watch`	No

Schema Changelog

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

Changed30 schema fields changedv0.9.0Jul 30, 2026
- addedOutput schema / properties / completed / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / completed / minimum
```
Added value: +0
```
- changedOutput schema / properties / completed / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / dropped / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / dropped / minimum
```
Added value: +0
```
- changedOutput schema / properties / dropped / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / on_hold / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / on_hold / minimum
```
Added value: +0
```
- changedOutput schema / properties / on_hold / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / plan_to_read / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / plan_to_read / minimum
```
Added value: +0
```
- changedOutput schema / properties / plan_to_read / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / plan_to_watch / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / plan_to_watch / minimum
```
Added value: +0
```
- changedOutput schema / properties / plan_to_watch / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / reading / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / reading / minimum
```
Added value: +0
```
- changedOutput schema / properties / reading / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / scores / items / properties / score / maximum
```
Added value: +10
```
- addedOutput schema / properties / scores / items / properties / score / minimum
```
Added value: +1
```
- changedOutput schema / properties / scores / items / properties / score / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / scores / items / properties / votes / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / scores / items / properties / votes / minimum
```
Added value: +0
```
- changedOutput schema / properties / scores / items / properties / votes / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / total / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / total / minimum
```
Added value: +0
```
- changedOutput schema / properties / total / type
```
Previous value: -"number"New value: +"integer"
```
- addedOutput schema / properties / watching / maximum
```
Added value: +9007199254740991
```
- addedOutput schema / properties / watching / minimum
```
Added value: +0
```
- changedOutput schema / properties / watching / type
```
Previous value: -"number"New value: +"integer"
```
Changed1 schema field changedv0.8.0Jul 29, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```

Changed2 schema fields changedv0.7.1Jul 22, 2026

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": {
+    "completed": {
+      "type": "number"
+    },
+    "dropped": {
+      "type": "number"
+    },
+    "on_hold": {
+      "type": "number"
+    },
+    "plan_to_read": {
+      "type": "number"
+    },
+    "plan_to_watch": {
+      "type": "number"
+    },
+    "reading": {
+      "type": "number"
+    },
+    "scores": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "percentage": {
+            "type": "number"
+          },
+          "score": {
+            "type": "number"
+          },
+          "votes": {
+            "type": "number"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "total": {
+      "type": "number"
+    },
+    "watching": {
+      "type": "number"
+    }
+  },
+  "type": "object"
+}

Addedv0.2.0Jun 29, 2026

TDQS

A4.7/5.0

Behavior5/5

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

The description discloses a critical behavioral trait: transparent retry via official API when Tenrai is unavailable, and that in that case the scores field is entirely omitted. This adds value beyond the annotations (readOnlyHint, openWorldHint) by explaining a non-obvious data loss scenario.

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?

The description is concise with two sentences. The first sentence states purpose and output, the second provides fallback behavior. No unnecessary words, front-loaded with key information.

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 tool's simplicity (1 param, output schema present, annotations covering safety), the description is complete. It covers purpose, input source, fallback behavior, and output variation. No gaps remain.

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

Parameters4/5

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

Schema coverage is 100% with a clear description for the single parameter 'id'. The description adds value by instructing the user to obtain the mal_id from search_anime, which provides context for parameter acquisition. This exceeds the baseline of 3 for high coverage.

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?

The description clearly states the verb 'Get' and the resource 'watch-status counts and score distribution for an anime by mal_id'. It is specific and distinguishes from sibling tools like 'get_anime' which fetches basic info, and 'search_anime' which is used to obtain the 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 Guidelines4/5

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

The description tells the user to 'Get the mal_id from search_anime', providing context on how to obtain the required input. It also explains the fallback behavior when Tenrai is unavailable, including the omission of scores, which guides usage expectations. However, it does not explicitly state when not to use this tool or list alternatives.

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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