`query_json`

Pack: json · Endpoint: https://gateway.pipeworx.io/json/mcp

Extract a value from JSON at a path using dot/bracket notation, e.g. “user.addresses[0].city”. Keyless, offline.

Parameters

Name	Type	Required	Description
`json`	string	yes	The JSON text.
`path`	string	yes	A path like “a.b[0].c”.

Example call

Arguments

{
  "json": "{\"user\": {\"name\": \"Bob\", \"address\": {\"city\": \"NYC\"}}}",
  "path": "user.address.city"
}

curl

curl -X POST https://gateway.pipeworx.io/json/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"query_json","arguments":{"json":"{\"user\": {\"name\": \"Bob\", \"address\": {\"city\": \"NYC\"}}}","path":"user.address.city"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('query_json', {
  "json": "{\"user\": {\"name\": \"Bob\", \"address\": {\"city\": \"NYC\"}}}",
  "path": "user.address.city"
});

More examples

{
  "json": "{\"items\": [{\"id\": 1, \"title\": \"First\"}, {\"id\": 2, \"title\": \"Second\"}]}",
  "path": "items[0].title"
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "json": {
      "url": "https://gateway.pipeworx.io/json/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

query_json