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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
HTTP 413 payload-too-large Not measured yet

Meaning of HTTP 413.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-413/mcp · website · measurements and details
HTTP 431 header-fields-too-large Not measured yet

Meaning of HTTP 431.

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-431/mcp · website · measurements and details
massive-context-mcp Not measured yet

Handles 10M+ token contexts with chunking, sub-queries, and local Ollama inference.

Package pypi : massive-context-mcp · website · measurements and details
Polygon Io Being measured · 0% over 1 checks

Massive (formerly Polygon.io) MCP.

MCP endpoint : https://gateway.pipeworx.io/polygon-io/mcp · website · measurements and details
Immensity Private (key required)

Discover software problems, analyze evidence, and create implementation-ready Build plans.

MCP endpoint : https://mcp.useimmensity.com/mcp · website · measurements and details
Jessica Hill Holm — Coaching for Leaders Scaling Flaky · 86% over 7 checks Does the job (tested) · 6/6

Executive coach's agent for leaders driving change while scaling: answers, workbooks, intro calls

MCP endpoint : https://jessica-hill-holm.lovable.app/api/public/mcp · website · measurements and details
TrueNAS SCALE Not measured yet

Inspect and manage TrueNAS SCALE storage, shares, apps and system state with your own API key

Package oci : ghcr.io/cedricziel/truenas-mcp:0.4.2 · website · measurements and details
RecipeScale Flaky · 83% over 6 checks

Scale recipes, convert kitchen units and merge shopping lists. Free.

MCP endpoint : https://recipe-scale.magicteams.ai/mcp · website · measurements and details
advertising-protocols Being measured · 50% over 2 checks Real task being tested · 1/1

Query 70+ ad tech protocols — OpenRTB, VAST, AdCP, AAMP, TCF, GPP — with citations.

MCP endpoint : https://inktdlomgdqrsqaalpey.supabase.co/functions/v1/mcp · website · measurements and details
DaedalMap Earthquake Data Flaky · 78% over 9 checks Does the job (tested) · 7/7

Global earthquake events from the USGS, 2150 BC-present: magnitude, depth, location, counts.

MCP endpoint : https://app.daedalmap.com/mcp/earthquakes · website · measurements and details
AdButler Being measured · 0% over 2 checks

Manage AdButler campaigns, zones, ad items, VAST, and reports from Claude, ChatGPT, and Cursor.

MCP endpoint : https://mcp.adbutler.com/mcp · website · measurements and details
scale-hr Private (key required)

Scale HR evaluation SaaS for Japanese SMBs. Manage users, evaluation sheets, periods and 1on1s.

MCP endpoint : https://mcp.scale-hr.io/mcp · website · measurements and details
VASTlint Being measured · 0% over 1 checks

Validate VAST, VMAP, and DAAST ad tags against IAB specs. 246 rules, pure Rust core.

MCP endpoint : https://vastlint.org/mcp · website · measurements and details
AlpiX Flaky · 86% over 7 checks Does the job (tested) · 5/5

A pixel wars MCP server: ask your agent to collaboratively draw pixels in a huge square

MCP endpoint : https://alpix.alpic.ai · website · measurements and details
CLIO Seismic Not measured yet

MCP server for earthquake-sequence analysis on saved catalogs: completeness magnitude,...

Package pypi : clio-kit · website · measurements and details
kcaldata Reliable (measured) · 100% over 41 checks

Natural-language calorie lookup. Send '2 large eggs', get USDA-sourced nutrition data.

MCP endpoint : https://api.kcaldata.com/mcp-server/mcp · website · measurements and details
zephyr-scale-mcp Not measured yet

Zephyr Scale on self-hosted Jira Server/DC: test cases, cycles, executions, plans and attachments

Package npm : zephyr-scale-mcp · website · measurements and details
mcp-graphql-enhanced Not measured yet

GraphQL gateway for LLMs. Handles huge GitHub GraphQL & @neo4j/graphql schemas without crashing

Package npm : @letoribo/mcp-graphql-enhanced · website · measurements and details
ProfessionalWiki-mediawiki-mcp-server Being measured · 0% over 2 checks

Enable Large Language Model clients to interact seamlessly with any MediaWiki wiki. Perform action…

MCP endpoint : https://server.smithery.ai/@ProfessionalWiki/mediawiki-mcp-server/mcp · measurements and details
AICasePredict Flaky · 80% over 5 checks Fails real tasks · 0/4

Search a large legal database of 325M+ US court records: cases, attorneys, judges and courts.

MCP endpoint : https://aicasepredict.com/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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