Connect-MCP

JSONShelf

io.github.walkojas-boop/jsonshelf · v1.0.0

Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.

MCPremoteno credentialsAI & LLM

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 4 tools, protocol 2024-11-05 · checked 2026-10-17

Test & rating

B 69/100

What it does: 4 tools · 0 read, 0 write

No tool could be tested safely. Only read-only tools that need no input are called.

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +6
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: 0
  • Read/write annotations: 0
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://jsonshelf.vercel.app/mcp

Tools

4 tools listed at last check
  • jsonshelf_repair Repair malformed JSON. Returns valid JSON plus a diff of what was fixed.
  • jsonshelf_validate Validate JSON against a schema. Returns structured errors with JSON Pointer paths and remedies.
  • jsonshelf_example Generate a minimal valid example matching a JSON schema.
  • jsonshelf_coerce Soft-cast values to match a schema (string "42" → 42 for integer fields, etc.).

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