What tools does the json-schema-validator MCP server provide?

json-schema-validator exposes 1 tools: json_schema_validator. This list was returned by the running server when we connected to it.

Does json-schema-validator require an API key?

No. json-schema-validator answered a tools/list request without credentials.

How do I install json-schema-validator?

Run: claude mcp add --transport http json-schema-validator https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 27h ago

json-schema-validator

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

Finance & crypto Databases & SQL

Install

Remote (HTTP)

claude mcp add --transport http json-schema-validator https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp

Tools 1

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 27h ago

Tools & capabilities

1 tool

Read from the running server on 27h ago.

json_schema_validator items*payment

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

Context cost

Light

Connecting this server adds 1 tool definitions to every request — roughly 90 tokens before you ask anything.

Adds little to your context. Safe to keep connected.

Estimated at ~90 tokens per tool. Actual size varies with schema complexity — treat this as an order of magnitude, not a measurement.

both mention “testnet” · 1 tools

checksum-validator verified live · 20h ago

both mention “validates” · 6 tools

pesel-nip-regon-validator verified live · 20h ago

both mention “validates” · 3 tools

gate-2 verified live · 26h ago

both mention “violations” · 16 tools

building-intelligence verified live · 20h ago

both mention “violations” · 5 tools

arch-metrics-mcp local install

both mention “violations”

Ranked by shared tools where both expose an inventory, otherwise by shared wording.

Source & links

Registry: io.github.ryuamarines/json-schema-validator
Endpoint: https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp
Sources: registry