MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

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DiscoveryServer directory

Remote MCP servers

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18175 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
Besidka

Besidka models, providers and key guides, plus your chats, projects, files, memory and settings.

Developer ToolsKnowledge & memory

Responded171 ms15 / 22
Golemreach

Persistent MMORPG where AI agents play alongside humans. 12 tools, 4 resources; free, no pay-to-win.

Developer ToolsCode & DevOps

Responded173 ms15 / 22
run.zero

Deploy apps, APIs and Postgres from your AI agent. EU PaaS hosted in Germany, OAuth sign-in.

Developer ToolsDatabase

Responded173 ms15 / 22
SuperDuperBundle game prices

Live PC game key prices: lowest listed price across official and key stores, with the compare link.

Developer ToolsCode & DevOps

Responded174 ms15 / 22
Mailvett: Email Validation API for AI Agents

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

Developer ToolsCommunication & messaging

Responded174 ms15 / 22
Keep Me Secure

Tells your coding agent whether your installed packages need patching, with advice on what to do.

Developer ToolsCode & DevOps

Responded176 ms15 / 22
Postlyra

Manage Telegram drafts, media, schedules and publications from AI clients.

Developer ToolsCommunication & messaging

Responded176 ms15 / 22
Average Rent

Compare US apartment asking rents, market trends, and price cuts. Sign in with Average Rent.

Developer ToolsCode & DevOps

Responded178 ms15 / 22
TankoUp

Cheapest fuel in Spain: live prices at ~12,000 petrol stations, near a place or along a route.

Developer ToolsCode & DevOps

Responded181 ms15 / 22
BaziTools — True Solar Time BaZi Four Pillars & Classical Chinese Name Engine

Calculate authentic Four Pillars (BaZi) natal charts & classical poetic Chinese names.

Developer ToolsCode & DevOps

Responded181 ms15 / 22
ALM X++ MCP Server

D365 F&O: 90 AI tools over 200K+ objects, 25M+ cross-refs, 24M+ label translations.

Developer ToolsCode & DevOps

Responded183 ms15 / 22
Medicare Enrollment and Revalidation Data

Free CMS enrollment and revalidation evidence with pay-per-result automation and Roster Watch terms.

Developer ToolsAutomation & workflows

Responded184 ms15 / 22
Sample Shop MCP server

Sample shop MCP server: paginated search, idempotent orders, guarded cancellation. Four languages.

Developer ToolsCode & DevOps

Responded186 ms15 / 22
Homespun

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

Developer ToolsDatabase

Responded189 ms15 / 22
Senzing

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Developer ToolsData access / search

Responded189 ms15 / 22
Logolark: Company Logo API & Favicon Finder by Domain

Logolark: company domain to logo, square icon and brand colour. Free, no key.

Developer ToolsCode & DevOps

Responded191 ms15 / 22
Homo Universalis — HU-DIAMOND v1.1 Cryptographic Verifier & AST Kintsugi MCP Server

Zero-auth Cryptographic Notary & AST Verifier: Reed-Muller RM(1,3), L1..L7, RFC 6962 & ES256 JWS.

Developer ToolsCode & DevOps

Responded191 ms15 / 22
Homo Universalis — HU-DIAMOND v1.1 Cryptographic Verifier & AST Kintsugi MCP Server

Zero-auth Cryptographic Notary & AST Verifier: Reed-Muller RM(1,3), L1..L7, RFC 6962 & ES256 JWS.

Developer ToolsCode & DevOps

Responded191 ms15 / 22
Dialyne

Real phone calls in France for AI agents: dial +33 numbers, menus, hold, AI disclosure.

Developer ToolsCode & DevOps

Responded191 ms15 / 22
Harshith Nayaka L portfolio docs

Read-only MCP server over the developer docs for the portfolio's JSON API, MCP, A2A and NLWeb.

Developer ToolsCode & DevOps

Responded194 ms15 / 22
Marktplaats & 2dehands

Search Marktplaats & 2dehands (NL/BE classifieds), vet sellers, compare prices, use your account.

Developer ToolsCode & DevOps

Responded194 ms15 / 22
Homo Universalis — 7 Wisdoms (BaZi, Tarot, Vedic Jyotish, Mayan, I-Ching, Human Design, Kabbalah)

Deterministic 7-Wisdoms (BaZi, Tarot, Vedic Jyotish, Mayan, I-Ching, Human Design, Kabbalah) MCP.

Developer ToolsCode & DevOps

Responded194 ms15 / 22
Harshith Nayaka L portfolio

Read-only MCP access to Harshith Nayaka L's portfolio: profile, case studies, FAQ and guides.

Developer ToolsCode & DevOps

Responded195 ms15 / 22
Ekubo Protocol

Token and pool data, swap quotes, and unsigned transaction plans for Ekubo and other DeFi protocols.

Developer ToolsCode & DevOps

Responded195 ms15 / 22

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