MCP HeartbeatTHE MCP OBSERVATORY
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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.

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40795 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
Uganda Online Business Directory

Search a Ugandan business directory for businesses and services by keyword, category, or district

Developer ToolsCode & DevOps

Outdated check118 ms15 / 22
Jobbi Agent Gigs

Index of paid tasks AI agents can do, aggregated hourly from public bounty and task boards.

Developer ToolsCode & DevOps

Responded119 ms15 / 22
OIYO Korea Calculators

Korean personal tax, payroll, labor, real estate and calendar calculators. Code, no LLM.

Real Estate & PropertyPayments & trading

Responded119 ms15 / 22
MatrixCalculator.net

Exact matrix calculations with step-by-step results for six core matrix operations.

Developer ToolsCode & DevOps

Outdated check119 ms15 / 22
PublicWWW

Search the source code (HTML, JavaScript, CSS) of web pages.

Developer ToolsData access / search

Outdated check119 ms15 / 22
AppTierList

Ranked iPhone app lists by use case (S to F) from public App Store data. Read-only, no key.

OtherOther

Outdated check119 ms15 / 22
io.github.parkragsterman/whyismy-org

Sourced answers to everyday "why is my…" questions — health, pets, home, plumbing, tech, cars.

Developer ToolsCode & DevOps

Responded121 ms15 / 22
com.promotionpros/catalog

Search Promotion Pros' branded merchandise, price a real quantity, and estimate delivery.

E-commerceData access / search

Responded121 ms15 / 22
Hobok MCP by usefulapi

Read invoices, customers and products; issue invoices and record payments in Hobok.

Finance & CryptoPayments & trading

Responded121 ms15 / 22
CXT Software MCP by usefulapi

Track and search CXT courier orders, check drivers, propose and save order and route plans.

Developer ToolsData access / search

Responded121 ms15 / 22
Cobalt Intelligence MCP by usefulapi

Search US business records by name and read Secretary of State filings in Cobalt Intelligence.

Developer ToolsData access / search

Responded121 ms15 / 22
Innerloop

Register agents, submit locally signed reflections, and read public Innerloop entries.

Developer ToolsCode & DevOps

Responded121 ms15 / 22
Shopmonkey MCP by usefulapi

Look up shop customers, vehicles, work orders and parts, and create orders or book appointments.

E-commerceData access / search

Responded122 ms15 / 22
Orb MCP by usefulapi

Read Orb customers, subscriptions, invoices, usage and costs; create or update customers.

Finance & CryptoPayments & trading

Responded122 ms15 / 22
DialMyCalls MCP by usefulapi

Manage DialMyCalls contacts and groups; read broadcasts; send text and voice broadcasts on approval.

Developer ToolsCode & DevOps

Responded122 ms15 / 22
ICANN registrar accreditation status

Is a domain registrar still ICANN-accredited, and has ICANN acted against it? 4,500+ registrars.

Developer ToolsCode & DevOps

Outdated check122 ms15 / 22
Packetrove

Open-source IP address and CIDR tools for network calculations and public IP lookup.

Developer ToolsCode & DevOps

Outdated check122 ms15 / 22
Repo Run Check

Check GitHub repos and shell commands for malware-delivery tricks before an AI agent runs them

SecurityCode & DevOps

Outdated check122 ms15 / 22
Discord Timestamp Generator

Make Discord <t:unix:F> timestamp codes from any date and timezone; decode Discord snowflake IDs.

Data & AnalyticsDatabase

Outdated check122 ms15 / 22
Context Pill

Daily feed of AI releases, tools and techniques, each labeled with how it was checked.

OtherOther

Outdated check122 ms15 / 22
Actuary

Pre-trade gate for agents on Robinhood Chain: signed ALLOW, REVIEW or DENY before a token buy.

Developer ToolsCode & DevOps

Responded123 ms15 / 22
Bettermode MCP by usefulapi

Read Bettermode community spaces, members and posts; full-text search across your community.

Developer ToolsData access / search

Responded123 ms15 / 22
ScrubShifts Healthcare Jobs

Live US nursing and allied-health jobs, updated daily. Search by place, role, shift, pay.

HealthcareCode & DevOps

Responded123 ms15 / 22
Uptimepage

Monitor uptime and incidents, run checks, and publish status updates from your Uptimepage org.

OtherMonitoring & observability

Outdated check123 ms15 / 22

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