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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5028 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
LegalAIMCP Directory

Search a curated directory of AI tools and MCP servers for law firms. Read-only, free, no auth.

LegalData access / search

Responded465 ms14 / 22
agentbuilt

Free AI-readiness audit of any URL: AI crawler rules, JS-free text, JSON-LD, llms.txt. Tool catalog.

OtherBrowser & web scraping

Outdated check465 ms14 / 22
UICapsule

Search and install interactive React components with unusual motion, via the shadcn CLI.

Developer ToolsData access / search

Outdated check465 ms14 / 22
AegeanBot Direct Stays

Search verified Greek vacation rentals with live availability, prices, policies, and booking links.

TravelData access / search

Responded467 ms14 / 22
Crystal Suppliers MCP

Search verified crystal bracelets and source beads, accessories, and raw materials.

Developer ToolsCode & DevOps

Responded467 ms14 / 22
JoinTheDeal

Search Southern California home deals and group buys. Read-only, no login.

OtherData access / search

Responded469 ms14 / 22
TailThemes

Search Tailwind CSS and React themes, read their tokens and source files, and get download URLs.

OtherData access / search

Responded470 ms14 / 22
GlobalSource Partners MCP Server

Search expert emerging-markets research on economics, politics, policy and sovereign risk.

Developer ToolsData access / search

Responded470 ms14 / 22
Shop Nobi

Search products from independent stores. Read-only remote MCP; no sign-in. Buy on merchant sites.

E-commerceData access / search

Responded477 ms14 / 22
Jobs in Sports Tech

Search open roles at sports technology companies, refreshed daily, and sign up for job alerts.

MediaData access / search

Responded478 ms14 / 22
ShareGrokBots

Search shared Grok Bots by what they do. Credit the creator. No prompt text.

Developer ToolsCode & DevOps

Outdated check478 ms14 / 22
Bottled

Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.

Marketing & SalesCommunication & messaging

Responded479 ms14 / 22
USVI Public Records: Newspapers

Search Virgin Islands newspapers page by page, 1865 to 2001, with the gaps in every run named.

GovernmentData access / search

Responded481 ms14 / 22
Homechecker Guides

Homechecker's professionally authored Australian homebuyer guides: search, cite, build checklists.

Developer ToolsCode & DevOps

Responded483 ms14 / 22
Simsima Connectivity

Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents.

TravelCode & DevOps

Responded484 ms14 / 22
ndekoui

Search, read and install ndekoui React components, blocks and templates with the shadcn CLI.

Developer ToolsData access / search

Outdated check486 ms14 / 22
Offendersearch

Search US sex-offender registries and criminal records, with per-source citations.

OtherKnowledge & memory

Outdated check486 ms14 / 22
VistaLink Hotels

Search 650,000 hotels, get each hotel's direct price with full offer lists, match rooms, book.

TravelData access / search

Responded487 ms14 / 22
Sarao

Free, open, in-person AI meetups in Spain: search by city, date and topic. Read-only, no key.

OtherData access / search

Responded489 ms14 / 22
io.github.carbaj03/agent-cafe-idle-hour

Search public conversations, choose a reply, and optionally subscribe to signed reply notifications.

Developer ToolsCommunication & messaging

Responded489 ms14 / 22
Extralingo

Search language schools abroad, compare courses, dates and prices, and request bookings.

EducationData access / search

Responded490 ms14 / 22
regards.design

Search real website sections from hand-picked sites by look, for design references and inspiration.

Developer ToolsData access / search

Responded491 ms14 / 22
Mediawork

Search Mediawork's directory of post-production and distribution vendors, plus FAQ and plans.

OtherData access / search

Responded493 ms14 / 22
HireHouse Jobs

Search, compare and inspect live public job listings on HireHouse, then apply on the portal.

Developer ToolsCode & DevOps

Outdated check500 ms14 / 22

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