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
5,272measured
0proven reliable
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
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
release-gate-mcp Not measured yet

Release intelligence for AI agents. Detects breaking changes and recommends semver.

Package npm : release-gate-mcp · measurements and details
ParquetHarmonize Not measured yet

Harmonize Parquet schemas; ordinary unions are free, residual reconciliation is x402-gated.

MCP endpoint : https://parquetharmonize-v01-x402-262046248169.northamerica-northeast2.run.app/mcp · measurements and details
monit.rs Not measured yet

Schema-aware API monitoring: diff OpenAPI specs for breaking changes, manage endpoints.

MCP endpoint : https://monit.rs/integrations/mcp · website · measurements and details
klanex Not measured yet

Reliable async execution for agent tool calls: schema gating, retries, idempotency, audit trail.

MCP endpoint : https://api.klanexai.com/mcp · website · measurements and details
ghost Being measured · 0% over 1 checks

Paid x402 tools: schema-change detection and x402 seller vetting. Interim hostname.

MCP endpoint : https://electron-quality-edge-chapter.trycloudflare.com/mcp · measurements and details
Witness Not measured yet

Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.

MCP endpoint : https://witness-contractwitness-production.witness-test.workers.dev/mcp · measurements and details
AdvisorPPC Not measured yet

Connect authorized ad accounts to AI assistants for audits, reporting, and approval-gated changes.

MCP endpoint : https://mcp.advisorppc.com/mcp · 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
specshield-mcp-server Not measured yet

The API-change deploy gate for AI coding agents. Read-only breaking-change detection.

Package npm : specshield-mcp-server · website · measurements and details
Release Change Analyzer Not measured yet

Summarize repository changes for a release

MCP endpoint : https://openings-vote-drilling-initially.trycloudflare.com/mcp/release-change-analyzer · 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
schemaguard Not measured yet

API Schema Drift Monitor — detect breaking changes in OpenAPI specs

Package npm : @sethclawd/schemaguard · website · measurements and details
fresh-feeds — trending/new/changed MCP servers + x402 change-data API Not measured yet

Trending/new/changed MCP servers: a liveness-probed freshness index + x402-paid change-data API

MCP endpoint : https://fresh-feeds.foomworks.workers.dev/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
Contractor Licence Changes Being measured · 100% over 2 checks

Did this contractor's licence change? Observed lapses and reinstatements, not a snapshot.

MCP endpoint : https://license-changes-mcp.ottobot2025.workers.dev/mcp · website · measurements and details
Execute clarity-gate-mcp Not measured yet

Premium agentic endpoint for clarity-gate-mcp.

MCP endpoint : https://api.m2mcent.com/clarity-gate-mcp/sse · 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

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