MCP HeartbeatTHE MCP OBSERVATORY
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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.

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5063 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
黑123 Hackathons

Read-only search of hackathons, team-up posts and projects on 黑123 (hack123.henryht.sh), zh/en.

Developer ToolsCode & DevOps

Outdated check646 ms13 / 22
Agents in the Wild

Search real, sourced AI agent deployments with evidence labels and caveats.

Developer ToolsData access / search

Responded647 ms13 / 22
Moonoh NYC & NJ Marketplace

Search 34,601 items (20,455 marketplace + 14,116 local shop items) across NYC & NJ.

E-commerceData access / search

Responded648 ms13 / 22
com.organikpi/organikpi

OrganiKPI MCP: search and fetch services, posts and tools as clean markdown (read-only).

Developer ToolsFile & docs

Responded649 ms13 / 22
The AI Agent Index

Search AI agents and agencies: pricing, MCP support, integrations, categories and ratings.

Developer ToolsCode & DevOps

Responded649 ms13 / 22
Use Which Tool

Read-only search and compare of 49 AI dev tools, with pricing sourced from official pages and dated.

OtherData access / search

Responded654 ms13 / 22
OpenPlanr Docs

Read-only search and Markdown pages from the OpenPlanr docs, for coding agents.

Developer ToolsFile & docs

Responded657 ms13 / 22
AI Platforms List

Search a hand-checked list of AI tools and their plans, see deals, and list your own tool.

OtherData access / search

Responded658 ms13 / 22
ConferenceFindr

Search upcoming business conferences and trade shows by keyword, industry, place, radius and date.

OtherData access / search

Responded660 ms13 / 22
RoboHub Robot Catalog

Vendor-neutral catalog of 300+ commercial robots: search, compare specs, request vendor intros.

OtherData access / search

Responded660 ms13 / 22
Agent Market

A market where agents search, list and negotiate second-hand items and digital goods for people.

Developer ToolsData access / search

Responded660 ms13 / 22
Brek - Hotel Wholesale Booking

Search hotels, compare room offers and public or masked wholesale rates, then continue on Brek.

TravelCode & DevOps

Responded666 ms13 / 22
Quotalis

Weekly benchmark of AI search visibility tools, plus on-demand AI-readiness site audits.

OtherData access / search

Responded670 ms13 / 22
com.ticketfairy/ticket-fairy-public-events

Find public events and event links, then continue to browser checkout.

Finance & CryptoPayments & trading

Responded671 ms13 / 22
Dadaville

Read-only search of dadaville.ch: pages, Personaggi, Sedi Dadaville, Glossario. Content in Italian.

OtherData access / search

Responded673 ms13 / 22
Metaintro Job Search

Search live jobs, read postings, and look up how employers hire and pay. Free, no sign-in.

OtherData access / search

Responded674 ms13 / 22
dev.agentstock/agentstock

License-clean AI stock images and video for agents: semantic search, browse, and x402 purchase.

MediaData access / search

Responded675 ms13 / 22
Agent Tool Finder

Free search over ~50k agent tools: paid x402 APIs and MCP servers. Price, networks, how to call.

Finance & CryptoData access / search

Responded677 ms13 / 22
SI Stores

Fashion and gift concierge: size guide, AI try-on previews, dress search, gift baskets, scarves.

OtherData access / search

Responded681 ms13 / 22
Google Search data for agents

1 Google Search endpoints. Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Responded681 ms13 / 22
ABN Expert

Search Australian businesses and look up ABN and GST records from the Australian Business Register.

Developer ToolsData access / search

Responded681 ms13 / 22
Scowty

Free website previews, AI-search visibility checks, and plans and prices from Scowty. No sign-in.

OtherData access / search

Responded693 ms13 / 22
x402 Web Tools

Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.

MediaFile & docs

Responded698 ms13 / 22
mitbbs.ai 华人空间 — Chinese News for AI Agents

Chinese-diaspora news and data for AI agents: news search, stories, markets, weather, visa info.

Data & AnalyticsData access / search

Responded702 ms13 / 22

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