MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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.

Connect your agent

41455 servers

Ordered by checks passed
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
Arzbin MCP Server

Live Iran exchange rates, gold, crypto, and Toman market data for AI agents.

Finance & CryptoData access / search

Outdated check275 ms15 / 22
Estate and Gift Tax Exemption Calculator

2026 US estate and gift tax: $15M exemption (P.L. 119-21), 40% rates, annual exclusion, DSUE.

Developer ToolsCode & DevOps

Responded276 ms15 / 22
TakeMeUp.cv – CV & Resume Builder

CV & resume builder: country formats in 14 languages, ATS checks, cover letters, job tracker.

ProductivityFile & docs

Outdated check276 ms15 / 22
Vocaneo

French job profiles, RNCP diplomas and 135,000 training programs. Read-only, no account.

OtherOther

Outdated check276 ms15 / 22
Agent Stack Directory

Search, inspect and compare infrastructure tools for AI agents from a checked directory.

Developer ToolsData access / search

Outdated check276 ms15 / 22
Silver Price Per Gram MCP

Live silver price per gram by fineness and currency, junk silver coin value, gold silver ratio.

Finance & CryptoCode & DevOps

Responded277 ms15 / 22
Edge

Gives your agent the right public skill for each task and loads it on demand.

Developer ToolsCode & DevOps

Responded278 ms15 / 22
AcademyOcean MCP by usefulapi

List learners, courses, teams, progress, quiz results and certificates in AcademyOcean.

Developer ToolsCode & DevOps

Responded278 ms15 / 22
ACA Premium Tax Credit Calculator

2026 ACA premium tax credit: expired enhanced subsidy, 400% FPL cliff, FPL, APTC repayment rules.

Developer ToolsCode & DevOps

Responded278 ms15 / 22
Bitview

Read-only Bitcoin blockchain, mempool, mining, market, and on-chain analytics; no API key.

Finance & CryptoPayments & trading

Outdated check278 ms15 / 22
GospelChannel Church Finder

Find a Christian church by worship style, denomination, language, and location. Read-only.

Developer ToolsCode & DevOps

Outdated check278 ms15 / 22
AI Design Blueprint

Doctrine and validators for governable agentic AI products.

OtherOther

Outdated check278 ms15 / 22
Bukku MCP by usefulapi

Read Bukku contacts, accounts, invoices, bills and journals; create contacts and sales invoices.

Finance & CryptoPayments & trading

Responded279 ms15 / 22
IndustryLens

B2B SaaS competitor pricing changes, strategic moves, market landscapes, reports and comparisons.

Developer ToolsCode & DevOps

Outdated check279 ms15 / 22
trazimstan.hr — nekretnine u Hrvatskoj

Pretraga provjerenih oglasa za prodaju i najam nekretnina u Hrvatskoj na trazimstan.hr.

OtherOther

Responded280 ms15 / 22
dev.cz-agents/cnb

Official ČNB exchange rates — daily & historical CZK vs EUR, USD, 30+ currencies. For accounting.

Finance & CryptoPayments & trading

Responded280 ms15 / 22
UK Income Tax and Salary

UK income tax and take-home pay 2025/26 and 2026/27: Scottish bands, NI, student loans, 60% trap.

EducationCode & DevOps

Responded280 ms15 / 22
aipozi

Daily AI visibility: who ChatGPT, Claude, Gemini and Perplexity name instead of you. Domain tools.

OtherAI / LLM tooling

Outdated check280 ms15 / 22
Arcadia Finance

Concentrated liquidity on Uniswap/Aero (rebalance, compound, leverage) or single-sided lending.

Developer ToolsCode & DevOps

Outdated check281 ms15 / 22
Addressfinder MCP by usefulapi

Autocomplete and verify NZ and AU addresses, and search NZ and AU locations in Addressfinder.

Developer ToolsData access / search

Responded283 ms15 / 22
MachineWitness

EU archive of the machine-readable web: check a domain, order a time-stamped record or extract.

OtherOther

Outdated check283 ms15 / 22
Databricks Field Guide by TechFabric

Interactive Databricks learning, certification practice and sourced engineering guidance.

OtherOther

Outdated check285 ms15 / 22
com.applivery.docs/mcp

Search and read the public Applivery docs (MDM & app distribution). Read-only, no auth.

Developer ToolsData access / search

Responded286 ms15 / 22
MemberSuite MCP by usefulapi

Search members, memberships and saved searches; update contact fields in MemberSuite.

Developer ToolsData access / search

Responded286 ms15 / 22

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