JSON Validator API
Rank #19350smithery/axel-belfort/json-validator
JSON validation API for AI agents. Validate JSON syntax, check against JSON Schema, and get formatted output. Returns validity status, parse errors with line numbers, structure stats (depth, key count, size). Tools: data_validate_json. Use this for API response validation, config file checking, or data pipeline quality gates. Returns machine-readable error details for automated fixing. Returns: {valid, errors[], formatted, stats}. No API key required — x402 micropayment $0.001/call on Base L2.
JSON Validator API is a Model Context Protocol (MCP) server published by Br0ski777. It ranks #19350 of 58,832 servers tracked on MCP Toplist. JSON Validator API is listed across 2 registries — Official MCP and Smithery, with 2 tracked versions. It was first listed on Apr 12, 2026 and most recently updated on May 16, 2026.
Ranks ahead of 39,482 of 58,832 servers on MCP Toplist.
Use JSON Validator API
Add JSON Validator API to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.
{
"mcpServers": {
"json-validator": {
"url": "https://json-validator.api.klymax402.com/mcp"
}
}
}Listed on 1 registry (1 delisted)
Br0ski777
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Available versions (2)
| Version | Published |
|---|---|
| 1.1.0 | May 16, 2026 |
| 1.0.0 | Apr 12, 2026 |
Frequently asked questions
- What is JSON Validator API?
- JSON validation API for AI agents. Validate JSON syntax, check against JSON Schema, and get formatted output. Returns validity status, parse errors with line numbers, structure stats (depth, key count, size). Tools: data_validate_json. Use this for API response validation, config file checking, or data pipeline quality gates. Returns machine-readable error details for automated fixing. Returns: {valid, errors[], formatted, stats}. No API key required — x402 micropayment $0.001/call on Base L2.
- Who maintains JSON Validator API?
- JSON Validator API is maintained by Br0ski777, which publishes 101 MCP servers (253 total versions) tracked on MCP Toplist.
- Is JSON Validator API an official MCP server?
- Yes — JSON Validator API is listed on the Official MCP Registry, alongside Smithery.
- How many versions does JSON Validator API have?
- MCP Toplist tracks 2 versions of JSON Validator API, most recently published on May 16, 2026.
- Where can I find the source code for JSON Validator API?
- The source code for JSON Validator API is hosted at github.com/Br0ski777/json-validator-x402.