json-schema-validator
Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).
Should I use this
Quality & Safety
A
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
~159Tokens (tool definitions)
~1.5 KBTypical response size
Minimal attention impact (0.12% of 128k context)
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"json-schema-validator": {
"url": "https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp"
}
}
}Remote endpoints
https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcpstreamable-httpWhat it can do
Tool inventory
Tools (1)
🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪json_schema_validator(items, payment)
Validates JSON against a JSON Schema, lists violations. x402 payment required (Base mainnet USDC).
Input Schema
{
"type": "object",
"properties": {
"items": {
"type": "array",
"items": {
"type": "string"
},
"description": "JSON-encoded strings, each an object like {\"schema\":...,\"data\":...} to validate"
},
"payment": {
"type": "string",
"description": "x402 payment payload (base64 JSON), signed EIP-712 exact/transferWithAuthorization. Omit on the first call — the tool will return payment requirements (accepts[]) as an error result."
}
},
"required": [
"items"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence
Recent observations
verifiedversion not recorded1 tools