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Query a Durable Object

An MCP tool from the Cloudflare API server, hosted on mcp.hjlabs.in.

Query a Durable Object Executes one or more SQL queries against a Durable Object. [POST /accounts/{account_id}/workers/durable_objects/namespaces/{id}/query/v2]

Name on the gateway: cloudflare_api__durable_objects_namespace_query · may change things.

Parameters

NameTypeDescription
account_id requiredstringaccount_id parameter
id requiredstringid parameter
durable_object_id requiredstring
queries requiredarray

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "cloudflare_api__durable_objects_namespace_query",
  "arguments": {
    "account_id": "…",
    "id": "…",
    "durable_object_id": "…",
    "queries": []
  }
}

Or connect the Cloudflare API server directly, which lists 3,127 tools including this one:

Run in your terminal
claude mcp add --transport http hj-cloudflare-api https://mcp.hjlabs.in/mcp/cloudflare-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the query a durable object tool with account_id set to ….

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