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-sieve-mcp Not measured yet

Local JSON Schema structure inspection and privacy-safe fixture planning. Tools include inspect...

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

AI startup due diligence — screen companies across 7 dimensions, get a Sieve Score.

Package pypi : sieve-mcp · website · measurements and details
codearia-sieve Not measured yet

Web pages into decision-ready state: dates, numbers with units, budgeted chunks. No model, no key.

Package npm : codearia-sieve · website · measurements and details
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
JMAP Email Not measured yet

Email management via JMAP — mailboxes, messages, identities, and Sieve scripts

Package oci : ghcr.io/mikluko/jmap-mcp:0.10.0 · 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

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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