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
4,105measured
0proven reliable
Gemfile gem count, versions discarded Not measured yet

Gemfile gem count, versions discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gemfile-count/mcp · website · measurements and details
Gemfile gem count, versions discarded Not measured yet

Gemfile gem count, versions discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gemfile-ok/mcp · website · measurements and details
requirements.txt name count, versions discarded Not measured yet

requirements.txt name count, versions discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/requirements-ok/mcp · website · measurements and details
NetFlow version nibble, bytes discarded Not measured yet

NetFlow version nibble, bytes discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/netflow-ok/mcp · website · measurements and details
WASM magic version, bytes discarded Not measured yet

WASM magic version, bytes discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wasm-ok/mcp · website · measurements and details
arXiv id version shape, value discarded Not measured yet

arXiv id version shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/arxiv-ok/mcp · website · measurements and details
glTF asset version shape, body discarded Not measured yet

glTF asset version shape, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gltf-ok/mcp · website · measurements and details
Amazon Ion version marker, body discarded Not measured yet

Amazon Ion version marker, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ion-ok/mcp · website · measurements and details
OpenAPI version key shape, body discarded Not measured yet

OpenAPI version key shape, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/openapi-ok/mcp · website · measurements and details
pkg:gem package-url shape, value discarded Not measured yet

pkg:gem package-url shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/purl-gem/mcp · website · measurements and details
IPv4 or IPv6, address discarded Not measured yet

IPv4 or IPv6, address discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ip-version/mcp · website · measurements and details
HTTP 505 http-version Not measured yet

Meaning of HTTP 505.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-505/mcp · website · measurements and details
Version Pill Not measured yet

Product management, public changelog, and feature requests - 60 lean MCP tools.

MCP endpoint : https://mcp.versionpill.com/mcp · website · measurements and details
BuiltOnRails Not measured yet

Stack intelligence from real production Rails apps. Compare gems, scan a Gemfile.

MCP endpoint : https://builtonrails.com/mcp/sse · website · measurements and details
Versions-LE Not measured yet

Find where one dependency is constrained differently across a repository's manifests.

Package npm : versions-le-mcp · website · measurements and details
rubygems-mcp Not measured yet

Look up Ruby gems, versions, and downloads from RubyGems. No key required.

Package npm : rubygems-mcp · website · measurements and details
Vigía Being measured · 100% over 1 checks Real task being tested · 1/1

What breaks between versions, per-version vulnerabilities, compatible versions: npm/PyPI facts.

MCP endpoint : https://vigia.coredls.cloud/mcp · website · measurements and details
app-store-version Not measured yet

Checks current App Store version by bundle ID. x402 payment required (testnet USDC).

MCP endpoint : https://faceted-napped-debtless.ngrok-free.dev/app-store-version/mcp · measurements and details
version-truth Not measured yet

Latest versions, LTS windows, and EOL dates for 300+ products. Fresh ground truth for stale models.

MCP endpoint : https://api.kaiv.ai/api/bridge/mcp/version-truth-ca7b5b8c · measurements and details
The Gem Smith Not measured yet

Premium SEO and Answer Engine Optimization (AEO) oracle for AI agents.

MCP endpoint : https://the-gem-smith-mcp.vercel.app/api/mcp · 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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