MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

Connect your agent

2172 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
agent-bev

The world's largest agentic B2B hub for beer, wine and spirits. Powered by CUVEE. Trade only.

OtherAI / LLM tooling

Responded75 ms16 / 22
Photo Mosaic & AI Collage Maker - Collager.ai

Photo mosaic maker and AI photo collage maker: turn your own photos into a mosaic or a collage.

MediaAI / LLM tooling

Responded343 ms16 / 22
Protologue

Sourced, citable definitions of prompting and LLM techniques, with relations and primary sources.

Developer ToolsAI / LLM tooling

Responded70 ms15 / 22
LocatePic — Photo Geolocation, Solar Shadow & OSINT Clue Engine

Analyze solar shadow angles, country road/phone clues & EXIF privacy rules for photo geolocation.

MediaAI / LLM tooling

Responded72 ms15 / 22
VidFare

Read-only AI video prices, clip costs, and deals from VidFare.

MediaAI / LLM tooling

Responded77 ms15 / 22
Vibresia

Music visualiser (visualizer): write live GLSL music visualisations, shared as links that play.

MediaAI / LLM tooling

Responded77 ms15 / 22
QQQ AI Visibility Checker

Free AI visibility check: can AI crawlers read a site, and do ChatGPT, Gemini, Perplexity cite it?

OtherAI / LLM tooling

Responded78 ms15 / 22
Model Tested

Independent test scores for open-weight LLMs: best model for your GPU or Mac, comparisons.

Developer ToolsAI / LLM tooling

Responded83 ms15 / 22
Claude API Pricing

Current Claude API prices and cost estimates with prompt caching and Batch API pricing.

OtherAI / LLM tooling

Responded86 ms15 / 22
AI application security research and assessments

Read AI security guides and lab research, and request an LLM or AI agent security assessment.

Developer ToolsAI / LLM tooling

Responded88 ms15 / 22
Agentery

Find and compare 41,000+ AI agents, MCP servers and APIs, with daily prices and the AEPI price index

OtherAI / LLM tooling

Responded88 ms15 / 22
AIVideo.day

Make 2D videos and 3D films from a written brief, in your AIVideo.day account.

MediaAI / LLM tooling

Responded91 ms15 / 22
Shortform Kit

Transcribe, read and download public Reels, TikToks and YouTube videos, plus sourced creator data

MediaAI / LLM tooling

Responded96 ms15 / 22
Invokary Platform Requirements

What Claude, ChatGPT, Cursor and the MCP Registry require to list an MCP connector or plugin.

Developer ToolsAI / LLM tooling

Responded102 ms15 / 22
Store API

GPT, Claude, Gemini, DeepSeek, Grok, Qwen and GLM through one API key. Pay per token.

OtherAI / LLM tooling

Responded103 ms15 / 22
Image Metadata Inspector

Read EXIF, GPS, XMP, C2PA and AI-generator metadata from a public image or video URL. Read-only.

MediaAI / LLM tooling

Responded132 ms15 / 22
AnimatedWebs

Animated website templates, cinematic video backgrounds, UI components and design systems.

MediaAI / LLM tooling

Responded132 ms15 / 22
ImgVX AI

Find the free ImgVX AI browser tool for any image job: remove backgrounds, upscale, compress.

MediaAI / LLM tooling

Responded155 ms15 / 22
AI Pricing Hub

Source-backed AI model pricing, rankings, history, and benchmark data.

Developer ToolsAI / LLM tooling

Responded166 ms15 / 22
Gnosis Memory

Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.

Developer ToolsAI / LLM tooling

Responded166 ms15 / 22
DraftCall

Should I start X or Y? NFL fantasy compares, rankings, byes, matchups, schedule strength, checks

MediaAI / LLM tooling

Responded182 ms15 / 22
TheFaceAnalysis

Face shape rules and a 102-face open measurement dataset. Read-only, no photos.

MediaAI / LLM tooling

Responded211 ms15 / 22
kernelCAD

CAD in ChatGPT and Claude: editable parts, STEP/STL/drawings, in-chat 3D, automatic checks.

OtherAI / LLM tooling

Responded220 ms15 / 22
isGenAI

Free read-only checks for evidence of AI use in text, links, images, saved prompts and C2PA.

MediaAI / LLM tooling

Responded220 ms15 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence