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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
19,924measured
6,554proven reliable
DiffSense Not measured yet

MR/PR risk audit MCP server: semantic diff + rule engine, strict read-only. Run as image or pip.

Package pypi : diffsense · website · measurements and details
Sense Not measured yet

Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.

Package mcpb : https://github.com/luuuc/sense/releases/download/v0.84.3/sense_0.84.3_darwin_arm64.mcpb · website · measurements and details
Market Census — Making sense of the market Reliable (measured) · 100% over 34 checks

Quantitative research for US stocks, ETFs and crypto. General information, not advice.

MCP endpoint : https://api.marketcensus.io/mcp · website · measurements and details
world-sense Reliable (measured) · 100% over 43 checks

Read-only live geopolitical-risk sensing for agents. ARCANE notices; never forecasts or advises.

MCP endpoint : https://mcp.arcaneforecasting.com/mcp · website · measurements and details
AI SENSE Free Public Tools Flaky · 95% over 19 checks Does the job (tested) · 18/18

66 public tools: semantic search, queues, inboxes, webhooks, approvals, DNS, images, PDF and more.

MCP endpoint : https://aisenseapi.com/mcp · website · measurements and details
SSTIM MCP: Senses, Stimuli and Perception Not measured yet

SSTIM reference for senses, stimuli, perception and scientific contributions.

Package npm : @sstim/mcp · website · measurements and details
Words in Context Flaky · 92% over 13 checks Does the job (tested) · 12/12

Words-in-context vocabulary practice questions with distractor explanations.

MCP endpoint : https://words-in-context.gumballtools.com/api/mcp · website · measurements and details
CUE definition count, body discarded Not measured yet

CUE definition count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/cue-ok/mcp · website · measurements and details
Quotewise Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Semantic quote search with 600K quotes. Find quotes by meaning, verify attributions.

MCP endpoint : https://mcp.quotewise.io/ · website · measurements and details
GraphQL SDL definition count, body discarded Not measured yet

GraphQL SDL definition count, body discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/graphql-sdl-ok/mcp · website · measurements and details
Context Link Flaky · 89% over 9 checks

One semantic search across your sites, Drive, Notion, email, files and Basecamp.

MCP endpoint : https://www.context-link.ai/mcp · website · measurements and details
Mean solar noon UTC-hour band Not measured yet

Mean solar noon UTC-hour band

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/solar-noon/mcp · website · measurements and details
OCL Context Layer Not measured yet

Reference MCP server for OCL, an open standard giving AI agents scoped business meaning for Odoo.

Package oci : ghcr.io/nantiai/ocl-examples:0.1.0-alpha.1 · website · measurements and details
A Christmas Carol Being measured · 0% over 1 checks

Semantic search through Dickens' A Christmas Carol by meaning, theme, or character.

MCP endpoint : https://wire-public.mcp.usewire.io/container/gUeioF26GkeQPHxj/mcp · website · measurements and details
FindIP Private (key required)

Semantic patent search & analysis: find, compare, and analyze patents by meaning.

MCP endpoint : https://mcp.findip.ai · measurements and details
Context Lens Not measured yet

Semantic search knowledge base with serverless LanceDB. Zero setup, 100% local, 25+ file types

Package pypi : context-lens · measurements and details
corvid Being measured · 0% over 1 checks

Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.

MCP endpoint : https://corvid.perch-app.workers.dev/mcp · website · measurements and details
Wikipedia (Faceabot) Reliable (measured) · 100% over 9 checks Does the job (tested) · 9/9

Search Wikipedia and get Wikipedia articles: page search, article summary, full article text, any language. Free, no API key.

MCP endpoint : https://faceabot.com/tools-mcp/wikipedia · website · measurements and details
Paparats – Local Semantic Code Search MCP Not measured yet

Local-first semantic code search across all your repos. Private context for AI coding assistants.

Package npm : @paparats/cli · website · measurements and details
commerce-context-layer Private (key required)

Context layer with semantic and visual search and discovery for agentic commerce — by vviinn.

MCP endpoint : https://api.vviinn.com/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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