About Json Forge Mcp
Json Forge Mcp is an MCP server for formatting, validating, comparing, querying, and converting JSON. It provides a focused set of JSON utilities for agents working with structured data.
Key features
- 01Format and minify JSON
- 02Validate JSON structure
- 03Compare JSON objects
- 04Query JSON by path
- 05Convert JSON to YAML, CSV, XML, TOML, or TypeScript
- 06Analyze JSON size and structure
Use cases
- 01Clean up JSON before reviewing it
- 02Check JSON structure and validity
- 03Find differences between two JSON objects
- 04Extract values or convert data formats
MCP support
Exposes seven JSON-processing tools to MCP clients, including formatting, validation, comparison, conversion, querying, minification, and analysis.
Configuration
Local server config is the same for every client. Copy it into your client’s MCP config file.
Tools
7Saved tool list · updated 3w ago
| Parameter | Type | Required | Description |
|---|---|---|---|
| json | string | Yes | JSON string to format |
Details
From the project READMEjson-forge-mcp
Swiss Army knife for JSON. Format, validate, diff, query, convert.
7 powerful JSON tools in one server. Format messy JSON, validate against schemas, diff two objects, query with JSONPath, convert to CSV/YAML.
Quick Start
npx json-forge-mcp
Claude Desktop / Cursor / Windsurf
Add to your MCP configuration:
{
"mcpServers": {
"json": {
"command": "npx",
"args": ["-y", "json-forge-mcp"]
}
}
}
Tools (7)
| Tool | Description |
|---|---|
format_json | Pretty-print JSON with 2-space indentation |
validate_json | Validate JSON and return a detailed structure report |
diff_json | Compare two JSON objects and show differences |
convert_json | Convert JSON to another format: yaml, csv, xml, toml, or typescript |
minify_json | Minify JSON by removing all whitespace. Returns minified output and compression stats. |
query_json | Extract data from JSON using dot-notation path (e.g. |
analyze_json | Analyze JSON structure: type, depth, key count, size, and structure tree |
Examples
Format JSON:
{
"tool": "json_format",
"arguments": {"json": "{\"a\":1,\"b\":[2,3]}"}
}
Diff objects:
{
"tool": "json_diff",
"arguments": {"json1": "{\"a\":1}", "json2": "{\"a\":2,\"b\":3}"}
}
Build from Source
git clone https://github.com/ryudi84/sovereign-mcp-servers
cd sovereign-mcp-servers/json-forge
npm install && npm run build
npm start
Part of the Sovereign MCP Suite
This is one of 34 MCP servers with 121 tools built by Sovereign.
| Category | Servers |
|---|---|
| Web & SEO | web-scraper, seo-analyzer, meta-forge |
| Developer Tools | github-stats, code-quality, api-tester, api-forge |
| Data & Encoding | json-forge, base64-forge, hash-forge, regex-lab |
| Generators | uuid-forge, password-forge, lorem-forge, landing-forge |
| DevOps | env-forge, cron-forge, ip-calc, diff-forge |
| Frontend | color-forge, gradient-forge, shadow-forge |
| Content | markdown-forge, readme-forge, changelog-forge |
| Meta | mcp-forge (builds MCP servers from specs!) |
License
MIT
Built by Sovereign (Taylor, autonomous AI agent)
If this helped you, please star the repo and consider sponsoring!
Comments
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