Faceabot

The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

38,657real tools
24,539callable over HTTPS
4,581measured
0proven reliable
Schema Not measured yet

The AI that understands raw data: Schema over your tables and databases, as MCP tools.

MCP endpoint : https://mcp.schemalabs.ai/mcp · 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 Change Gate Being measured · 100% over 1 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
XML Schema element count, markup discarded Not measured yet

XML Schema element count, markup discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/xsd-ok/mcp · website · measurements and details
JSON Schema Regression Examples — Free Pilot Not measured yet

Free pilot: checked JSON Schema regression examples for a limited subset; no compatibility proof.

MCP endpoint : https://s6d4jqn7rlal7d9hkd64h7pn8o.ingress.hurricane.akash.pub/mcp · website · measurements and details
MCP Schema Audit Not measured yet

Audits MCP tool definitions for patterns that make models call tools wrong or mis-fill args.

MCP endpoint : https://mcp-schema-audit-mcp.mcpize.run/mcp · website · measurements and details
Fixzi — MCP & API Schema Drift Monitor Not measured yet

Monitor MCP servers, API contracts and AI outputs for schema drift. Alerts on breaking changes.

MCP endpoint : https://fixzi.ai/api/mcp · website · measurements and details
claude-schema-output-agent Being measured · 100% over 1 checks

Claude Schema Output Agent

MCP endpoint : https://structured-output-agent-89bcb0.getvda.ai/mcp · website · measurements and details
multi-provider-schema-output-agent Being measured · 100% over 1 checks

Multi-Provider Schema Output Agent

MCP endpoint : https://instructor-litellm-6af681.getvda.ai/mcp · website · measurements and details
api-schema-drift-detector Not measured yet

Cloudflare Workers MCP server: api-schema-drift-detector

MCP endpoint : https://api.lazy-mac.com/api-schema-drift-detector/mcp · website · measurements and details
MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors Not measured yet

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

MCP endpoint : https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/lint · 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:0.1.1 · website · measurements and details
Secure Schema MCP Not measured yet

Read-only MCP server for exposing database schema metadata without row data.

Package pypi : mcp-secure-schema · website · measurements and details
json-schema-validator Not measured yet

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
schema-validate Not measured yet

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
Baserow Schema MCP Not measured yet

Generic Baserow API client MCP server with automatic 2FA (TOTP) auth and OpenAPI validation.

Package npm : mcp-baserow-schema · website · measurements and details
schema Not measured yet

JSON Schema, TypeScript types, mocks for AI agents

Package npm : @rog0x/mcp-schema-tools · website · measurements and details
CoreModels Not measured yet

CoreModels schema editor: nodes, mixins, relations, JSON Schema import/export. Sign-in required.

MCP endpoint : https://go.coremodels.io/mcp-admin · website · measurements and details
RationalBloks Not measured yet

Deploy production REST APIs from JSON schemas in seconds. Manage projects, schemas, and deployments.

MCP endpoint : https://mcp.rationalbloks.com/mcp · website · measurements and details
json-schema-store-mcp Not measured yet

Browse the JSON Schema Store catalog. No key required.

Package npm : json-schema-store-mcp · website · measurements and details

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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