JSON Schema Validator is answering right now. Last checked 9 min ago. It exposes 1 tools.
Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).
What changed 1
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 5 September 2026. No other catalogue keeps this.
Nothing serious here today
Today is the operative word: we check JSON Schema Validator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.
claude mcp add json-schema-validator --transport http https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcphttps://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp[mcp_servers.json-schema-validator]
url = "https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp"{
"mcpServers": {
"json-schema-validator": {
"url": "https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp"
}
}
}{
"servers": {
"json-schema-validator": {
"type": "http",
"url": "https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp"
}
}
}This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.
Available tools 1
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
json_schema_validator
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp | streamable-http | needs auth | 111 ms | 9 min ago |
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JSON Schema Validator — questions
Answers built from our own checks of this server.