MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

4749 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
Invoice2go MCP Server and API by Cotlet

Invoice2go invoicing for tradespeople MCP server: create invoice, send invoice.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
InvoiceBloom

Create, send and track invoices for freelancers and small businesses.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
InvoiceFlow

Create invoices, clients, and Stripe payment links from any agent. 7 tools. No email or deletes.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
InvoiceForge

Generate, validate and read EN 16931 and Peppol BIS 3.0 e-invoices, in UBL and CII.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
InvoiceXML

Create, validate, convert & extract compliant e-invoices (UBL, Factur-X, ZUGFeRD, XRechnung)

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
invowerk

E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
ISO 20022 Generator

Generate and validate SEPA ISO 20022 XML (pain.001, pain.008) and SWIFT MT103 payment messages.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Job Market Data

Live job vacancies: Germany (Arbeitsagentur), EU (EURES), Sweden, remote boards, tech ATS.

Finance & CryptoData access / search

Requires authNot measured5 / 22Not checked yet
Jobkeepr

Manage jobs, customers, scheduling, estimates and invoices for a field service business.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Jobs and market data: France, Germany, Spain, Latin America

Public job postings and market data for France, Germany, Spain and Latin America, as JSON.

Finance & CryptoData access / search

Requires authOutdated checkNot measured5 / 22
Joist MCP Server and API by Cotlet

Joist contractor estimating and invoicing MCP server: create estimate, convert estimate to invoice.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Journalit

Trading journal in Obsidian. Ask Claude or ChatGPT about your trades; edits are previewed first.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Journely Markets

US, Japan and Vietnam market data: macro, sectors, fundamentals, estimates, price history.

Finance & CryptoData access / search

Requires authNot measured5 / 22Not checked yet
JOY Automart

Search car parts and used/reconditioned vehicle listings in Bangladesh (BDT prices, stock).

Finance & CryptoData access / search

Requires authNot measured5 / 22Not checked yet
Jupiter Invoice

Create and manage invoices and customers on Jupiter Invoice (MCP, API-key auth).

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Juriset

Verified, cited US and Canadian employment and payroll rules, each value with its official source.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Kabuken

EDINET filings of Japanese stocks: financial statements, segments, shareholders. No stock prices.

Finance & CryptoCode & DevOps

Requires authOutdated checkNot measured5 / 22
Kairos Timer

Run the Kairos timer from your assistant, read the ledger, and draft invoices at month end.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22
Keito

Track time, expenses, project archives, and invoices with Keito from AI agents.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Keyio

Run your rentals in Spain from your AI assistant: SES filings, VeriFactu invoices, rent, taxes.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22
Kiosq marketplace

Marketplace for AI agents, prompts and SaaS: search, buy, sell and message, paid in USDC.

Finance & CryptoData access / search

Requires authNot measured5 / 22Not checked yet
Kipurse

Self-custodial USDC wallet on Base for AI agents: on-chain caps, Face ID, one-tap pause.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Klar Calculators

Jordan & GCC labour-law, tax and finance calculators for AI agents — 36 deterministic tools.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Klussenbeheer

Job management for Dutch service companies: jobs, customers, planning, quotes and invoices.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22

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