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The real catalog of tools for AI agents

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

44,737real tools
29,284callable over HTTPS
19,887measured
6,168proven reliable
Index Agentica Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

MCP endpoint : https://mcp.indexagentica.com/mcp · website · measurements and details
Open Agent Utility Index Not measured yet

Transparent public utilities for agents. Requests are counted without storing identifiers.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/mcp · measurements and details
H-Index Being measured · 0% over 2 checks

Capability registry for the agentic economy. Semantic search over verified MCP server listings.

MCP endpoint : https://h-index.xr-utilities.ai/mcp · measurements and details
geld machen x402 agent utilities Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

MCP endpoint : https://geld-machen-x402.fly.dev/mcp · website · measurements and details
NLP.COM.AI Open Model Catalog Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Search curated open-weight AI model releases, licenses, architectures, and primary sources.

MCP endpoint : https://nlp.com.ai/mcp · measurements and details
AirShelf Catalog Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

Cross-vendor B2B catalog for AI agents: search, compare, find equivalents, request a quote.

MCP endpoint : https://mcp.airshelf.ai/mcp · measurements and details
MCP Registry Search: Find, Discover & Install MCP Servers & Tools | Directory, Catalog, Marketplace Flaky · 80% over 5 checks Does the job (tested) · 4/4

MCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.

MCP endpoint : https://ai.mcpharbor.dev/mcp · website · measurements and details
JPFreeSoft Catalog Reliable (measured) · 100% over 17 checks Does the job (tested) · 17/17

Search Japanese software and AI tools; read recorded facts with source links. Read-only.

MCP endpoint : https://jpfreesoft.com/api/mcp/ · website · measurements and details
Neuronto ARD Registry: Agentic Resource Discovery (ARD) Index Flaky · 94% over 18 checks Partly does the job · 14/17

Neuronto ARD Registry: one search across every public ARD registry + 200,000+ verified MCP tools

MCP endpoint : https://neuronto.com/mcp · website · measurements and details
Book Search (Open Library) Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

Search books and authors across Open Library, the Internet Archive open catalog.

MCP endpoint : https://invokera.com/r/book-search · website · measurements and details
AI Price Index Not measured yet

Read-only, zero-key MCP server for point-in-time AI model API prices. Open data, CC BY 4.0.

Package npm : ai-price-index-mcp · website · measurements and details
The Network Catalog (webGCP) Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Semantic search over The Network catalog (skills, agencies, roles) with signed webGCP provenance.

MCP endpoint : https://catalog.myparallel.dev/mcp · website · measurements and details
Utility 3 Not measured yet

Small public utility for autonomous clients.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-003/mcp · website · measurements and details
Store Catalog Flaky · 92% over 12 checks

Shopify and WooCommerce product catalogs for agents: list, search, full product with barcodes.

MCP endpoint : https://storecatalog.agenttoolworks.com/mcp · website · measurements and details
Utility 4 Not measured yet

Small public utility for autonomous clients.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-004/mcp · website · measurements and details
Utility 2 Not measured yet

Small public utility for autonomous clients.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-002/mcp · website · measurements and details
mcp-catalog Being measured · 50% over 2 checks

Search MCP servers in the public mcp-catalog.ru directory.

MCP endpoint : https://mcp-catalog.ru/mcp · website · measurements and details
Utility 8 Not measured yet

Small public utility for autonomous clients.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-008/mcp · website · measurements and details
Utility 1 Not measured yet

Small public utility for autonomous clients.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-001/mcp · website · measurements and details
DABYTE AI Visibility Index Reliable (measured) · 100% over 43 checks Does the job (tested) · 42/42

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

MCP endpoint : https://dabyte.ai/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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