MCP For Claude Marketplace
JSON Merge Patch

JSON Merge Patch MCP Connector for Claude

A+

Stop losing data when updating massive files. Apply surgical JSON patches (RFC 7396) securely to large datasets.

1 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

If an AI Agent needs to update just 3 fields in a 5,000-line JSON configuration file, asking the LLM to rewrite the entire file often leads to truncated data or forgotten keys due to context limits. This MCP solves that by shifting the merge logic to the Edge.

The Superpowers

  • Surgical Updates: The LLM only generates the 'patch' (what changed), and the V8 engine merges it flawlessly with the original file.
  • RFC 7396 Compliant: Uses official industry standards for JSON merging, ensuring zero data corruption during the patch.
jsondata-patchingrfc-7396data-integrityconfiguration-managementautomation

1 tools expose this connector's capabilities to your AI agent.

apply_patch

Pass the original and the patch as JSON strings. The engine applies deep merging deterministically. Applies an RFC 7396 JSON Merge Patch deterministically. Allows LLMs to update massive JSON files by only sending the delta patch

See how to talk to your AI agent using JSON Merge Patch.

Merge this patch `{"status": "active"}` into the 3MB user database JSON.

✅ **Patched Output:** Output cleanly updated without touching other keys.

Remove the `temporary_token` key from this payload by applying a null patch.

✅ **Applied:** Key successfully deleted per RFC 7396 standard.

Yes, following RFC 7396, setting a key to `null` in the patch will remove it from the target.

Related Connectors

Zod Schema Error Flattener

Zod Schema Error Flattener MCP

3 tools Official

Transforms complex, deeply nested ZodError objects into flat, field-centric error dictionaries for UI consumption.

A+ View details →
OpenAPI Spec Validator

OpenAPI Spec Validator MCP

0 tools Official

Validate OpenAPI 3.x documents for structural compliance, orphaned components, and path parameter consistency.

B View details →
Business Logic Gatekeeper

Business Logic Gatekeeper MCP

3 tools Official

Ensures code changes adhere to business invariants using regex-based validation.

A+ View details →
NEW
Policy Change Impact Brief

Policy Change Impact Brief MCP

4 tools Official

Maps textual policy revisions to insured assets and planned activities to prevent coverage gaps.

A+ View details →