bots.st/jsonshelf
JSONShelf
Repair, validate, and coerce JSON schemas
1729 ms
answered our call
- State
- Answered
- Protocol
- MCP 2024-11-05
- Tools listed
- 4
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://jsonshelf.vercel.app/mcp
What it can do
| Tool | What it says it does |
|---|---|
jsonshelf_coerce | Soft-cast values to match a schema (string "42" → 42 for integer fields, etc.). |
jsonshelf_example | Generate a minimal valid example matching a JSON schema. |
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. |
In its maker's words
Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.
- Website
- jsonshelf.vercel.app
- Source
- github.com/walkojas-boop/jsonshelf
- Publisher
- walkojas-boop (4 listings in the registry)
- Listed from
- the official MCP Registry as
io.github.walkojas-boop/jsonshelf - Version
- 1.0.0, updated 19 Apr 2026
- Kinds of work
- Documents and files, AI models and agent tools
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 1729 ms | |
| Answered | 1922 ms | |
| Answered | 182 ms |
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