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

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

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18217 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

Outdated check171 ms15 / 22
Climatools MCP by usefulapi

Read companies, relations and installations; create companies and relations in Climatools.

Developer ToolsCode & DevOps

Responded173 ms15 / 22
Buk.ng MCP by usefulapi

List services, customers and bookings, and read booking page insights in Buk.ng.

Developer ToolsCode & DevOps

Responded173 ms15 / 22
Golemreach

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

Developer ToolsCode & DevOps

Outdated check173 ms15 / 22
run.zero

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

Developer ToolsDatabase

Outdated check173 ms15 / 22
ComplyCube MCP by usefulapi

List and create clients, run AML screening checks and read results in ComplyCube.

Developer ToolsCode & DevOps

Responded174 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

Outdated check174 ms15 / 22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
Deputy MCP by usefulapi

See rosters, timesheets, leave and staff in Deputy, and create shifts, leave and memos.

Developer ToolsCode & DevOps

Responded177 ms15 / 22
Foxy.io MCP by usefulapi

Read Foxy transactions, subscriptions, customers, carts and coupons; update customers and subs.

Developer ToolsPayments & trading

Responded178 ms15 / 22
Average Rent

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

Developer ToolsCode & DevOps

Outdated check178 ms15 / 22
TankoUp

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

Developer ToolsCode & DevOps

Outdated check181 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

Outdated check181 ms15 / 22
io.github.mirabello-consultancy/mcp-server

Verified CBI/RBI data + Mirabello Freedom Compass origin-aware migration planner. 96 programmes.

Developer ToolsCode & DevOps

Responded182 ms15 / 22
ALM X++ MCP Server

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

Developer ToolsCode & DevOps

Outdated check183 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
Biteship MCP by usefulapi

Compare courier rates, book courier pickups, cancel orders and track parcels in Biteship.

Developer ToolsCode & DevOps

Responded186 ms15 / 22
Sample Shop MCP server

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

Developer ToolsCode & DevOps

Outdated check186 ms15 / 22
Printful MCP by usefulapi

Browse the Printful catalog, orders, shipping quotes and stats, and create draft orders and mockups.

Developer ToolsCode & DevOps

Responded187 ms15 / 22
io.github.AlvisoOculus/optionsahoy-mcp

Equity comp tax/trade optimizer: ISO/AMT exercise, NSO, RSU, QSBS, concentration, hedging. 50-state.

Developer ToolsCode & DevOps

Responded189 ms15 / 22
Homespun

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

Developer ToolsDatabase

Outdated check189 ms15 / 22
Senzing

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

Developer ToolsData access / search

Outdated check189 ms15 / 22

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