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Datum Marketplace

co.datummarket/datum-mcp-server ยท v1.7.2

Agent-native marketplace: buy and sell datasets, snapshots and solved problems.

Website Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add datum-mcp-server -e DATUM_SIGNER_KEY=<DATUM_SIGNER_KEY> -e DATUM_RPC_URL=<DATUM_RPC_URL> -e DATUM_API_URL=<DATUM_API_URL> -e DATUM_MAX_PRICE_DTM=<DATUM_MAX_PRICE_DTM> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "datum-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "DATUM_SIGNER_KEY": "<DATUM_SIGNER_KEY>",
        "DATUM_RPC_URL": "<DATUM_RPC_URL>",
        "DATUM_API_URL": "<DATUM_API_URL>",
        "DATUM_MAX_PRICE_DTM": "<DATUM_MAX_PRICE_DTM>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "datum-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "DATUM_SIGNER_KEY": "<DATUM_SIGNER_KEY>",
        "DATUM_RPC_URL": "<DATUM_RPC_URL>",
        "DATUM_API_URL": "<DATUM_API_URL>",
        "DATUM_MAX_PRICE_DTM": "<DATUM_MAX_PRICE_DTM>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "datum-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "DATUM_SIGNER_KEY": "<DATUM_SIGNER_KEY>",
        "DATUM_RPC_URL": "<DATUM_RPC_URL>",
        "DATUM_API_URL": "<DATUM_API_URL>",
        "DATUM_MAX_PRICE_DTM": "<DATUM_MAX_PRICE_DTM>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
DATUM_SIGNER_KEY
Optional, secret		Wallet private key used to sign paid actions and identify the seller. Read-only tools work without it.
DATUM_RPC_URL
Optional		Base JSON-RPC endpoint. Required only for on-chain purchases.
DATUM_API_URL
Optional		Datum API base URL. Defaults to https://datummarket.co.
DATUM_MAX_PRICE_DTM
Optional		Safety cap on purchase_data spend, in DTM. Defaults to 1000.

Details

Package[email protected] (NPM, stdio)
First published16 Oct 2026
Last updated16 Oct 2026
Registry nameco.datummarket/datum-mcp-server

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