Top Cryptocurrencies by Market Cap (Alternative.me)

alternativeme/top-coins

A ranked list of cryptocurrencies with price, market cap, 24 hour volume, supply and 1h/24h/7d change, as an array. Page with start (1-based rank) and limit (1 to 100); sort by rank, name, symbol, market cap, volume or the percentage changes. Alternative.me public API data, passed through and served by Eden Engine; not an official Alternative.me product.

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

Alternative.me

Data from alternative.me (https://alternative.me/crypto/api/). Served by Eden Engine; not an official Alternative.me 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.

Install it Create an account

agent

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

// 2. inspect: price and input schema
omnial_inspect({ tool: "alternativeme/top-coins" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "alternativeme/top-coins" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "alternativeme/top-coins", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "alternativeme/top-coins", 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": [
    "limit"
  ],
  "properties": {
    "sort": {
      "enum": [
        "rank",
        "id",
        "name",
        "symbol",
        "website_slug",
        "circulating_supply",
        "total_supply",
        "max_supply",
        "market_cap",
        "volume_24h",
        "percent_change_1h",
        "percent_change_24h",
        "percent_change_7d"
      ],
      "type": "string",
      "default": "rank",
      "description": "Ordering."
    },
    "limit": {
      "type": "integer",
      "maximum": 100,
      "minimum": 1,
      "description": "How many coins, 1 to 100."
    },
    "start": {
      "type": "integer",
      "default": 1,
      "maximum": 150,
      "minimum": 1,
      "description": "1-based position to start from in the chosen ordering, 1 to 150. The service tracks about 190 coins and answers a start past the end with an HTTP 500, so the schema stops short of that."
    },
    "convert": {
      "type": "string",
      "default": "USD",
      "pattern": "^[A-Za-z]{2,10}$",
      "description": "Extra quote currency, for example EUR or GBP, returned beside USD. An unknown code is silently ignored (USD only)."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "data",
    "metadata"
  ],
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "id",
          "name",
          "symbol",
          "quotes"
        ],
        "properties": {
          "id": {
            "type": "integer"
          },
          "name": {
            "type": "string"
          },
          "rank": {
            "type": [
              "integer",
              "null"
            ]
          },
          "quotes": {
            "type": "object",
            "description": "Keyed by currency code (USD, plus the requested convert currency).",
            "additionalProperties": {
              "type": "object",
              "properties": {
                "price": {
                  "type": "number"
                },
                "market_cap": {
                  "type": "number"
                },
                "volume_24h": {
                  "type": "number"
                },
                "percent_change_1h": {
                  "type": "number"
                },
                "percent_change_7d": {
                  "type": "number"
                },
                "percent_change_24h": {
                  "type": "number"
                },
                "percentage_change_1h": {
                  "type": "number"
                },
                "percentage_change_7d": {
                  "type": "number"
                },
                "percentage_change_24h": {
                  "type": "number"
                }
              },
              "description": "Figures in that currency.",
              "additionalProperties": true
            }
          },
          "symbol": {
            "type": "string"
          },
          "max_supply": {
            "type": [
              "number",
              "null"
            ]
          },
          "last_updated": {
            "type": "integer",
            "description": "Unix seconds."
          },
          "total_supply": {
            "type": [
              "number",
              "null"
            ]
          },
          "website_slug": {
            "type": "string"
          },
          "circulating_supply": {
            "type": [
              "number",
              "null"
            ]
          }
        },
        "additionalProperties": true
      },
      "description": "Coins in the requested order."
    },
    "metadata": {
      "type": "object",
      "properties": {
        "error": {
          "type": [
            "string",
            "null"
          ]
        },
        "timestamp": {
          "type": "integer"
        },
        "num_cryptocurrencies": {
          "type": "integer",
          "description": "Coins the service tracks in total."
        }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": true
}