io.github.ryudi84/json
json-forge
MCP server for JSON processing — format, validate, diff, convert, minify, query, analyze
alive probed 2026-10-15
7tools
972tokens in Claude Opus 5.5
1.0ktokens in Claude Code
0.5 %of a 200k context window
533o200k_base estimate
230 msto initialize
7 msto list tools
- Run it
- npx -y json-forge-mcp@1.0.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- json-forge 1.0.0
- Capabilities
- tools
- Instructions
- 130 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ryudi84/sovereign-mcp-servers
- Registry
- active, updated 2026-02-25 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| query_json | 106 | 20 % |
| convert_json | 97 | 18 % |
| diff_json | 76 | 14 % |
| minify_json | 68 | 13 % |
| analyze_json | 68 | 13 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.ryudi84/json)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.