Wikipedia Category Members (Wikipedia)

mediawikiactionapi/category-members

The pages and subcategories in one English Wikipedia category, with titles and page ids, in the order Wikipedia sorts them. Give the full category title, for example Category:Physics. Filter to articles, subcategories or files. Required page size of 1 to 50; continue with the token from the previous page.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Wikipedia

Text from Wikipedia, the online encyclopedia, which is available under the Creative Commons Attribution-ShareAlike 4.0 License (https://creativecommons.org/licenses/by-sa/4.0/). Credit Wikipedia and link to the article the text came from, and share any adaptation under the same licence. Served by Eden Engine; not an official Wikimedia Foundation product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "mediawikiactionapi/category-members" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "mediawikiactionapi/category-members" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "mediawikiactionapi/category-members", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "mediawikiactionapi/category-members", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "category",
    "limit"
  ],
  "properties": {
    "kind": {
      "enum": [
        "page",
        "subcat",
        "file"
      ],
      "type": "string",
      "description": "Optional: page for articles, subcat for subcategories, file for files. Leave out for all."
    },
    "limit": {
      "type": "integer",
      "maximum": 50,
      "minimum": 1,
      "description": "How many results to return, 1 to 50. Required."
    },
    "category": {
      "type": "string",
      "pattern": "^Category:[^|]{1,200}$",
      "description": "Full category title including the prefix, for example Category:Quantum mechanics."
    },
    "continue_from": {
      "type": "string",
      "maxLength": 300,
      "description": "Optional: the `cmcontinue` token from the previous page's `continue` object, to read the next page."
    }
  },
  "description": "Which category to list.",
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "object",
      "required": [
        "categorymembers"
      ],
      "properties": {
        "categorymembers": {
          "type": "array",
          "items": {
            "type": "object",
            "required": [
              "title",
              "pageid"
            ],
            "properties": {
              "ns": {
                "type": "integer",
                "description": "Namespace: 0 article, 14 subcategory, 6 file."
              },
              "title": {
                "type": "string",
                "description": "Title of the member."
              },
              "pageid": {
                "type": "integer",
                "description": "Page id."
              }
            },
            "description": "One member.",
            "additionalProperties": true
          },
          "description": "Members of the category; empty when it has none or does not exist."
        }
      },
      "description": "The members.",
      "additionalProperties": true
    },
    "continue": {
      "type": "object",
      "description": "Continuation values for the next page; absent when there is no more.",
      "additionalProperties": true
    },
    "batchcomplete": {
      "type": "boolean",
      "description": "True when the whole result is included."
    }
  },
  "description": "One page of category members.",
  "additionalProperties": true
}