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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41360 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
Bahdan Hal

Bahdan Hal software consulting: services, pricing, CV and skills, and contact requests.

Developer ToolsCode & DevOps

Outdated check233 ms15 / 22
agentclash

Free practice runs of agentclash, a game where AI agents name hand-drawn images.

MediaCode & DevOps

Outdated check234 ms15 / 22
ID MANDAT – Registry for AI Agents

Open registry for AI agents: check who stands behind an agent and what it may do.

Developer ToolsCode & DevOps

Outdated check235 ms15 / 22
Real Alpha

What AI founders and researchers said in long interviews: quotes, speakers, dates and links to cite.

OtherOther

Outdated check235 ms15 / 22
bunny.net MCP by usefulapi

Inspect pull zones, storage, DNS and video libraries on bunny.net, and purge caches.

MediaAI / LLM tooling

Responded236 ms15 / 22
IRS Mileage Rate and Per Diem

IRS mileage rates 2011-2026 (76 cents from July 2026), GSA per diem by ZIP FY2026-27, high-low.

Developer ToolsCode & DevOps

Responded237 ms15 / 22
Huntay AzerTürk

Check Huntay AzerTürk's availability, book a 30-minute intro call, and look up his services.

OtherData access / search

Outdated check237 ms15 / 22
rs.rides/airport-transfers

Airport transfers: Novi Sad ↔ Belgrade Airport (BEG). Look up prices and book a ride.

TravelData access / search

Responded238 ms15 / 22
Section 179 Deduction Calculator

Section 179 limits, 100% bonus depreciation, heavy SUV caps and asset loan cost (2025-2026, IRS).

Developer ToolsCode & DevOps

Responded238 ms15 / 22
io.github.snayyar00/webability

Free WCAG 2.2/ADA/508 accessibility MCP: scan, AI fixes, verify, vision audit, localhost tunnel

Developer ToolsCode & DevOps

Responded239 ms15 / 22
UK Legal Research

UK legal research — case law, legislation, Hansard, bills, votes, committees, HMRC, citations

LegalCode & DevOps

Outdated check239 ms15 / 22
registry-mcp — national company registries

The company registry MCP: brreg orgnr, Companies House, Bolagsverket organisationsnummer.

Developer ToolsCode & DevOps

Outdated check239 ms15 / 22
Traffic Parrot

Traffic Parrot simulates APIs and messaging. Request or withdraw a trial, read docs, send feedback.

OtherCommunication & messaging

Outdated check239 ms15 / 22
io.github.beneb89/changegamer

Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Developer ToolsCode & DevOps

Responded240 ms15 / 22
Palmyr

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

Finance & CryptoPayments & trading

Responded242 ms15 / 22
Atera MCP by usefulapi

Check devices, alerts and tickets in Atera, and open tickets, comment or resolve alerts.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Paycheck Calculator

Take-home pay for 2025-2026: IRS brackets, FICA wage base and state income tax for 50 states + DC.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Cups to Grams

Cups to grams for 271 ingredients with USDA and King Arthur densities, recipe scaling, oven temps.

Developer ToolsCode & DevOps

Responded242 ms15 / 22
Close Knit

Neighbourhood and home evidence for England, London in depth: prices, rents, schools, crime, travel.

EducationKnowledge & memory

Outdated check242 ms15 / 22
Siren

Deterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns.

Marketing & SalesData access / search

Responded243 ms15 / 22
GoTRON MCP

TRON blockchain: accounts, TRC20 tokens, staking, contracts, resources and transaction builders

Finance & CryptoPayments & trading

Outdated check243 ms15 / 22
Recruitee MCP by usefulapi

Search Recruitee candidates, jobs, pipelines and interviews, and add notes, tags and tasks.

ProductivityData access / search

Responded244 ms15 / 22
Car Loan Interest Deduction Calculator

2025-2028 car loan interest deduction, SALT cap, child tax credit and 2026 tax brackets (IRS).

Developer ToolsCode & DevOps

Responded244 ms15 / 22
pumpdata

Check a pump.fun coin, dev or wallet: deployer record, bundle, PnL. Every pump.fun trade, ever.

Finance & CryptoPayments & trading

Outdated check244 ms15 / 22

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