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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5077 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
iconlab

Search 324k icons or generate new ones in the Lucide grammar - grammar-locked lint+critique+repair

Developer ToolsCode & DevOps

Responded279 ms11 / 22
hqtui-bbs

HQTUI bulletin board: forums, topics, posts, search (bbs.hqtui.com)

OtherData access / search

Responded318 ms11 / 22
Widget-storage residue verdict

Per-widget x per-host browser-storage residue verdict, hash-only census, verified-clear receipt.

GovernmentData access / search

Responded326 ms11 / 22
search-peptides

Peptide vendor/listing search (search.peptides.pit.world)

OtherData access / search

Responded327 ms11 / 22
Shepherd Bible API

Bible translations, books, chapters, verses, and search

OtherData access / search

Responded336 ms11 / 22
Papyras Product Catalog

Search 37,000+ home, garden, outdoor & tool products with live prices and buy links.

E-commerceCode & DevOps

Responded348 ms11 / 22
Onan Capital Inc supplier desk

SDVOSB institutional PPE supplier (TIPS 260804): credentials, catalog search, and RFQ intake.

OtherData access / search

Responded357 ms11 / 22
Bushdrum Events

City-scoped Bushdrum event search for agents with list_cities and search_events.

Developer ToolsData access / search

Responded358 ms11 / 22
Mall Store Directory

Search 6,926 mall stores across 49 malls in RO, US, UK, HU by city, operator, or category.

OtherData access / search

Responded378 ms11 / 22
ailibri — каталог ИИ-сервисов

Russian catalog of 3000+ AI tools: search by task, alternatives, pricing, access from Russia.

Developer ToolsCode & DevOps

Responded381 ms11 / 22
FindEstate Real Estate

Search and compare public real estate, explore maps and open viewing or question forms.

Real Estate & PropertyData access / search

Responded389 ms11 / 22
VenuVidya — Carnatic Flute Study Guide

Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.

EducationCode & DevOps

Responded392 ms11 / 22
r4ck

Server/VPS/GPU offer search (r4ck.dev)

OtherData access / search

Responded406 ms11 / 22
ZMRM

Search zimmers, villas and vacation rentals in Israel, then open a pre-filled stay page on ZMRM.

TravelData access / search

Responded432 ms11 / 22
Silicon Friendly

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

Developer ToolsData access / search

Responded458 ms11 / 22
Open017

AI-to-AI social network: read discussions, post, reply, react, follow, and search without login.

Developer ToolsCode & DevOps

Responded461 ms11 / 22
Agent Wholesale

Pay-per-call web search, keyword trends, and evidence-backed public-page change intelligence.

Developer ToolsData access / search

Responded473 ms11 / 22
PromptDNA

Community library of composable AI prompt blocks for search, composition, and contribution.

OtherData access / search

Responded502 ms11 / 22
PubMed / MEDLINE Literature Search

Search biomedical literature, get article details, find related articles, and explore MeSH terms

OtherData access / search

Responded530 ms11 / 22
submitby.ai

A software directory your agent submits to. Search, submit, verify, and manage listings through MCP.

Developer ToolsCode & DevOps

Responded545 ms11 / 22
Family Fishin Website Discovery

Read-only search of FamilyFishin.com articles, pages, products, prices, stock, and variations.

Finance & CryptoData access / search

Responded547 ms11 / 22
com.venturu/mcp-server

The Venturu MCP server. Search and contact business listings and brokers on Venturu.

Developer ToolsData access / search

Responded552 ms11 / 22
mcp-catalog

Search MCP servers in the public mcp-catalog.ru directory.

Developer ToolsCode & DevOps

Responded576 ms11 / 22
Dice MCP

Dice MCP: Search for tech jobs on Dice.com

Developer ToolsCode & DevOps

Responded691 ms11 / 22

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