mcp-vadimnastoyashchy-json-mcp · by Install
$ agentstack add mcp-vadimnastoyashchy-json-mcp ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/mcp-vadimnastoyashchy-json-mcp) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
JSON MCP
[](https://smithery.ai/server/@VadimNastoyashchy/json-mcp)
The Model Context Protocol (MCP) server empowers LLMs to efficiently interact with JSON files. With JSON MCP, you can split, merge, and find specific data, validate within JSON files based on defined conditions.
🌟 Key Features
✅ Fast and lightweight ✅ LLM-friendly functionality
🎥 Demo
Below is a demo showcasing the split functionality:
🔧 Use Cases (Tools)
1. split
Split a JSON file into a specified number of objects.
> Note: The file path must be provided.
Prompt Example:
Split JSON file from /Users/json-mcp/tests/merged.json
5 objects per file2. merge
Merge JSON files into a one JSON file
> Note: The folder path should be provided
Prompt Example:
Merge json files from /Users/json-mcp/tests⚙️ Configuration
[](https://insiders.vscode.dev/redirect?url=vscode:mcp/install?%7B%22name%22%3A%22%40VadimNastoyashchy%2Fjson-mcp%22%2C%22command%22%3A%22npx%22%2C%22args%22%3A%5B%22-y%22%2C%22%40smithery%2Fcli%40latest%22%2C%22run%22%2C%22%40VadimNastoyashchy%2Fjson-mcp%22%2C%22--key%22%2C%2292357446-baf5-439c-b7c1-b5263e221b57%22%5D%7D)
VS Code Manual Configuration
To configure the JSON MCP server manually in VS Code, update the User Settings (JSON) file:
{
"mcp": {
"servers": {
"json-mcp-server": {
"command": "npx",
"args": ["json-mcp-server@latest"]
}
}
}
}Installation in VS Code
You can install the JSON MCP server using the VS Code CLI:
# For VS Code
code --add-mcp '{"name":"json-mcp-server","command":"npx","args": ["json-mcp-server@latest"]}'After installation, the JSON MCP server will be available for use with your GitHub Copilot agent in VS Code.
Claude Desktop
To install json-mcp for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @VadimNastoyashchy/json-mcp --client claude⚙️ Installation Server
Install globally
npm install -g json-mcp-server@latestRun after global installation
json-mcp-serverUsing npx with latest version (recommended)
npx json-mcp-server@latestSource & license
This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: VadimNastoyashchy
- Source: VadimNastoyashchy/json-mcp
- License: MIT
- Homepage: https://www.npmjs.com/package/json-mcp-server
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.