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

41314 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
Benchmark Email MCP by usefulapi

Manage Benchmark Email lists and contacts, and read campaign reports: opens, clicks, bounces.

Marketing & SalesCommunication & messaging

Responded200 ms15 / 22
CraftMyPDF MCP by usefulapi

Generate PDFs and images from CraftMyPDF templates; read templates, versions and usage.

MediaAI / LLM tooling

Responded201 ms15 / 22
SynergyBoat

SynergyBoat's public company data — services, case studies, AI use cases, team — and lead capture.

OtherOther

Outdated check202 ms15 / 22
Touchline Wire — FPL & Premier League Intelligence

Zero-auth FPL expected minutes, captains & transfers, plus Premier League lineups & stats.

Developer ToolsCode & DevOps

Responded203 ms15 / 22
Agent Services (x402): compliance, company, procurement

27 pay-per-call agent tools (KYB, VAT, sanctions, tenders, data). Pays via x402; holds no funds.

Developer ToolsCode & DevOps

Outdated check203 ms15 / 22
Trading Zones 4H Market Decisions

BTC, ETH, XRP, ONDO and TZ SELECT 4H decisions, native x402 MCP and open buyer SDK.

Finance & CryptoPayments & trading

Outdated check203 ms15 / 22
Mandate Office

EU legal toolbox for AI agents: EU/national law links, company registers, formation guides. Free.

LegalKnowledge & memory

Outdated check203 ms15 / 22
ua.com.mfoxa/catalog

Read-only catalog of licensed Ukrainian MFOs: loan terms, NBU licenses, ratings and reviews.

OtherOther

Responded204 ms15 / 22
Gripp MCP by usefulapi

Read projects, invoices, hours and contacts; register hours, create tasks in Gripp.

Finance & CryptoPayments & trading

Responded204 ms15 / 22
Billogram MCP by usefulapi

Read invoices, customers, items and balances; create invoices, customers and items in Billogram.

Finance & CryptoPayments & trading

Responded204 ms15 / 22
YoushowIELTS MCP

Read-only MCP for IELTS Writing Task 2 samples, Speaking cue cards and writing band descriptors.

Developer ToolsCode & DevOps

Responded204 ms15 / 22
glim.sh

Give your agent live data from Twitter, Reddit, the web and GitHub. No API keys, no scraping stack.

Developer ToolsCode & DevOps

Responded205 ms15 / 22
Bookafy MCP by usefulapi

Review appointments, customers and staff, and manage Bookafy bookings.

Developer ToolsCode & DevOps

Responded206 ms15 / 22
Canli Fundamentals

SEC fundamentals point in time: first reported, known as of a date, every restatement.

Developer ToolsCode & DevOps

Outdated check206 ms15 / 22
com.sfxmint/sounds

Free CC0 sound effects for apps and games: roles, sets, search; 20 keyless downloads a day; make one

OtherData access / search

Responded207 ms15 / 22
Memberful MCP by usefulapi

Manage Memberful members, subscriptions, plans, passes and coupons via the GraphQL API.

Developer ToolsPayments & trading

Responded207 ms15 / 22
SalesBlink Cold Email

Cold email sequences, leads, templates, senders, inbox, and analytics via the SalesBlink API.

ProductivityCommunication & messaging

Outdated check207 ms15 / 22
Simvito eSIM

Compare travel eSIM plans and each local network (4G/5G), check phone support, get payment links.

Finance & CryptoPayments & trading

Outdated check207 ms15 / 22
FlatHunt

Search furnished Berlin housing, compare listings, and manage favorites and saved-search alerts.

Real Estate & PropertyData access / search

Outdated check207 ms15 / 22
Gearlist

Free, source-checked directory of AI agent tools, MCP servers and skills, with read-only search.

Developer ToolsData access / search

Outdated check207 ms15 / 22
Awtomic MCP by usefulapi

Read Awtomic subscriptions, customers and billing attempts; pause, skip, reschedule, cancel.

Finance & CryptoPayments & trading

Responded208 ms15 / 22
SAT Score Percentiles MCP

SAT score percentiles and class of 2026 SAT averages and participation by state (College Board).

Developer ToolsCode & DevOps

Responded208 ms15 / 22
Nevent MCP

Talk to your live-events CRM (campaigns, analytics, paid ads, segments) in Claude and ChatGPT.

Marketing & SalesCode & DevOps

Outdated check208 ms15 / 22
Veabird: ski & beach trip planner

Ski & beach trip planning: resort matching, snow and sargassum forecasts, lodging and flights.

TravelCode & DevOps

Outdated check208 ms15 / 22

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