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The real catalog of tools for AI agents

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47,766real tools
31,719callable over HTTPS
21,538measured
6,623proven reliable
GenPark JSON Schema Contract Validator Not measured yet

Zero-dependency JSON schema subset validator ensuring LLM structured outputs strictly conform to con

Package mcpb : https://github.com/Alpha-Park/genpark-json-schema-contract-validator-skill/releases/download/v1.0.1/genpark-json-schema-contract-validator-skill-v1.0.1.mcpb · website · measurements and details
GenPark Recursive JSON Schema Healer Not measured yet

Recursive JSON schema validator and autonomous healer repairing type mismatches, missing defaults, a

Package mcpb : https://github.com/Alpha-Park/genpark-recursive-json-schema-healer-skill/releases/download/v1.0.1/genpark-recursive-json-schema-healer-skill-v1.0.1.mcpb · website · measurements and details
GenPark Streaming NDJSON & JSONL Schema Validator Not measured yet

Ultra-low-latency incremental line validator with chunk boundary reassembly and schema auditing

Package mcpb : https://github.com/Alpha-Park/genpark-streaming-ndjson-jsonl-schema-validator-skill/releases/download/v1.0.1/genpark-streaming-ndjson-jsonl-schema-validator-skill.mcpb · website · measurements and details
Triplex schema contracts Not measured yet

Infer and validate schema contracts on local CSV, TSV and JSON Lines files. No network access.

Package cargo : triplex-mcp · website · measurements and details
json-schema-validator Reliable (measured) · 100% over 17 checks

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

MCP endpoint : https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp · measurements and details
AgentDiet Deterministic A2A Broken-JSON Repair & Schema Validator Flaky · 80% over 5 checks Does the job (tested) · 4/4

Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes).

MCP endpoint : https://json-repair.agentdiet.dev/mcp · website · measurements and details
JSON Validator API Being measured · 0% over 1 checks

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

MCP endpoint : https://json-validator.api.klymax402.com/mcp · website · measurements and details
JSON Contracts Not measured yet

JSON contract registry and validator for structured LLM and agent outputs.

Package npm : json-contracts · website · measurements and details
JSON Schema Tools Not measured yet

Validate JSON against a schema with Ajv, infer a schema from samples and diff two schemas.

Package oci : ghcr.io/basitalisandhu/mcp-json-schema-tools:0.2.2 · website · measurements and details
Schema Change Gate Reliable (measured) · 100% over 53 checks

Replay supplied records against old and new bounded JSON Schema draft-07 contracts. Receive exact...

MCP endpoint : https://mcp-factory.bowling-anthony.workers.dev/schema-change-gate/mcp · website · measurements and details
Contract Guard Private (key required)

Deterministic JSON Schema validation with exact violations and conservative type normalization.

MCP endpoint : https://contract-guard-production.up.railway.app/mcp · website · measurements and details
GenPark Complex Financial Formula Audit Validator Not measured yet

Arithmetic consistency checks and cross-footing validation for financial statements

Package mcpb : https://github.com/Alpha-Park/genpark-complex-financial-formula-audit-validator-skill/releases/download/v1.0.1/genpark-financial-audit.mcpb · website · measurements and details
GenPark JSON-RPC Batch Pipelining Dispatcher Not measured yet

High-throughput JSON-RPC 2.0 batch pipelining and inter-tool parameter dependency resolver for Model

Package mcpb : https://github.com/Alpha-Park/genpark-json-rpc-batch-pipelining-dispatcher-skill/releases/download/v1.0.1/genpark-json-rpc-batch-pipelining-dispatcher-skill-v1.0.1.mcpb · website · measurements and details
JSON Schema keyword count, body discarded Not measured yet

JSON Schema keyword count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-schema-ok/mcp · website · measurements and details
schema-validate Private (key required)

MCP server (stdio): validate JSON against JSON Schema (draft-07 / 2020-12) via the AgentForge API

MCP endpoint : https://apim-agentforge-6lfm33.azure-api.net/schema-validate/mcp · measurements and details
Agothe Agent Contract Preflight Being measured · 0% over 1 checks

Deterministic MCP, JSON Schema, and SemVer preflight via Agothe's public MUV scope.

MCP endpoint : https://mcp-chatgpt.agothe.ai/mcp · measurements and details
Regex/Email/URL Validator Being measured · 0% over 2 checks

Regex matching, email/URL format validation, and JSON Schema validation.

MCP endpoint : https://apished.com/mcp/v1/validate · website · measurements and details
Jsonschema Being measured · 0% over 1 checks

JSON Schema validation MCP.

MCP endpoint : https://gateway.pipeworx.io/jsonschema/mcp · website · measurements and details
validate Being measured · 50% over 2 checks

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

MCP endpoint : https://api.machinegrade.dev/mcp · website · measurements and details
JSON validity Not measured yet

JSON validity

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ok/mcp · website · measurements and details

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