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The real catalog of tools for AI agents

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

45,319real tools
29,744callable over HTTPS
19,950measured
6,699proven reliable
PostFinder post offices and parcel points Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Nearest post offices, parcel lockers and post boxes in AU, NZ, US, UK and Canada. Free, no key.

MCP endpoint : https://api.postfinder.io/mcp · website · measurements and details
Mailroom Being measured · 100% over 2 checks

Your own IMAP mailbox in any MCP client: search, read, flag, move; send and delete need confirm.

MCP endpoint : https://usemailroom.app/mcp · website · measurements and details
Basic mail server Being measured · 0% over 1 checks

Still work in progress

MCP endpoint : https://email-mcp-c880a7f7.staging.alpic.live · measurements and details
Package Health Check Reliable (measured) · 100% over 43 checks Does the job (tested) · 30/30

Check an npm or Python package, or a package.json, for vulnerabilities and upkeep.

MCP endpoint : https://packages.openkrill.app/mcp · website · measurements and details
Apple Mail Not measured yet

Search, read, sort and answer Apple Mail on macOS: fast local reads, drafts first, you approve sends

Package mcpb : https://github.com/mp-consulting/apple-mail-mcp/releases/download/v0.5.0/AppleMailMCP-0.5.0.mcpb · website · measurements and details
Paper Plane Post Being measured · 100% over 2 checks

Turn a photo into a real printed postcard, mailed anywhere. Returns a link to finish and pay.

MCP endpoint : https://api.paperplanepost.com/v1/mcp · website · measurements and details
Command Mail Private (key required)

One inbox for all your addresses: your AI agent reads, sorts, drafts and sends with your permission.

MCP endpoint : https://commandmail.app/mcp · website · measurements and details
package.json key count, body discarded Not measured yet

package.json key count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/package-ok/mcp · website · measurements and details
MCPFax Dev Package Intelligence Reliable (measured) · 100% over 43 checks

Is this dependency current, licensed, deprecated, or already carrying a CVE?

MCP endpoint : https://devpkg-intel.bowling-anthony.workers.dev/mcp · website · measurements and details
package.json key count, values discarded Not measured yet

package.json key count, values discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/package-json-ok/mcp · website · measurements and details
Python Package Runtime Test Reliable (measured) · 100% over 41 checks

Hosted Python sandbox for package runtime verification: pip install and usable-import evidence.

MCP endpoint : https://apcs-public-mcp-gateway.apcs-mcp.workers.dev/mcp/python-package-runtime-test · website · measurements and details
Package Intel MCP Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

Package intelligence for AI agents across npm, PyPI, crates.io and deps.dev. No API keys.

MCP endpoint : https://package.datakoot.com/mcp · website · measurements and details
Package Intel MCP Being measured · 0% over 1 checks

Package intelligence for AI agents across npm, PyPI, crates.io and deps.dev. No API keys.

MCP endpoint : https://package.selflabbs.com/mcp · website · measurements and details
csproj package reference count, body discarded Not measured yet

csproj package reference count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csproj-count/mcp · website · measurements and details
Mails.ai — Agent Email Private (key required)

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

MCP endpoint : https://api.mails.ai/mcp · website · measurements and details
csproj package reference count, body discarded Not measured yet

csproj package reference count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csproj-ok/mcp · website · measurements and details
GitHub packages name shape, value discarded Not measured yet

GitHub packages name shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gh-pkg-ok/mcp · website · measurements and details
Dependency Vulnerability Tracker — package security advisories ($0.01/query) Being measured · 50% over 2 checks Real task being tested · 1/1

Dependency vulns & malicious-package advisories. Register in-session — free testnet funds.

MCP endpoint : https://a2awire.com/mcp/data/ghsawatch-package-dependency-vulnerabilities-malicious-package-advisories-d21673/http · 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
pkg:npm package-url shape, value discarded Not measured yet

pkg:npm package-url shape, value discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/purl-npm/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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