• CLEAN DATA
  • TOKEN SAVINGS
  • ACCURACY
  • HUMAN REVIEW

How to extract specific API fields with your AI

Connect this MCP once to give your agent the ability to filter massive data payloads. It stops your AI from choking on useless text.

Ask AI about this page

Short answer

How can I pull specific keys from a large JSON response?

Use JSONPath to isolate exactly the data points you want. This prevents your AI from reading thousands of irrelevant lines of code. You get a clean, focused dataset for your prompts.

Where every field lands.

The outcomes of filtering

The JSON Path Query Engine turns raw, messy data into targeted information.

CLEAN DATA

Focused context

The AI receives only the specific keys you requested. This keeps the conversation relevant and avoids noise.

TOKEN SAVINGS

Lower costs

By stripping out the junk, you send fewer tokens to your AI client. This makes every interaction cheaper and faster.

ACCURACY

Fewer hallucinations

Your agent won't get lost in a sea of nested objects. It stays focused on the actual values it needs to process.

HUMAN REVIEW

Manual verification

You can inspect the filtered JSON output to ensure the path was correct before passing it to your agent.

The workflow

What your AI does when the data arrives.

The agent uses the query tool to prune the data before it ever hits the context window.

  1. Receive payload

    The agent receives a massive, unformatted JSON object from an API endpoint.

    query_json

  2. Apply JSONPath

    The agent uses a specific path expression to target the exact nested keys required.

    query_json

  3. Filter results

    The tool strips away all the metadata, headers, and unused fields from the response.

    query_json

  4. Deliver context

    The agent receives a tiny, high-density JSON snippet ready for reasoning.

    query_json

Try it

Copy these to start.

Use these prompts to begin filtering your data.

Starting points

Swap the bracketed text for your actual JSON structure or API response.

JSON Path Query Engine Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_7ADZSAEroKeClWEoBvRdlik7U3hNBE0F8Tuzb007/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — JSON Path Query Engine capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "json-path-query-engine-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_7ADZSAEroKeClWEoBvRdlik7U3hNBE0F8Tuzb007/mcp"
    }
  }
}
Copy into chat04

  • Extract only the 'id' and 'email' fields from this JSON response using JSONPath.

  • Find all objects in this list where the 'status' is 'active' and return only their names.

  • Use JSONPath to pull the 'price' value from the first item in the 'products' array.

  • Filter this massive API response to only show the 'metadata.user_id' for every entry.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect JSON Path Query Engine once, then ask.

One click connects this MCP to your client. Your credentials stay encrypted and your data stays under your control.

Connect JSON Path Query Engine to your AI

FAQ

How this task behaves.

  • 01

    Can the AI change the original API response?

    No. The tool only reads and filters the data you provide. It cannot modify the source API or the original payload.

  • 02

    Does this tool work with XML?

    No. This tool is built specifically for JSON structures using JSONPath.

  • 03

    Will this save me money on my AI usage?

    Yes, because it reduces the number of tokens sent to your AI client by removing unnecessary data.

  • 04

    Can the AI delete data from my database?

    No. This MCP is a read-only query tool. It has no capability to delete, update, or write data to any service.

  • 05

    What happens if my JSONPath is wrong?

    The tool will return an empty result or an error, and your agent will tell you it couldn't find the requested fields.

  • More questions about JSON Path Query Engine? The Connector page answers them. See everything the JSON Path Query Engine Connector can do

Connect JSON Path Query Engine to Claude, Cursor, ChatGPT & more