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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40680 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
isGenAI

Free read-only checks for evidence of AI use in text, links, images, saved prompts and C2PA.

MediaAI / LLM tooling

Responded220 ms15 / 22
AgentTrust XRPL

Escrow for AI agents on the XRP Ledger. 51 tools. Free testnet sandbox (no real XRP).

Finance & CryptoCode & DevOps

Responded221 ms15 / 22
BridgeNode MCP

BridgeNode — x402 pay-per-request AI inference. OpenAI-compatible API + MCP, Solana USDC, gas-free.

Finance & CryptoPayments & trading

Responded221 ms15 / 22
Blocksize Agentic Market Intelligence

Multi-venue VWAP, bid/ask, crypto FX, metals and equities with provenance receipts for AI agents

Finance & CryptoPayments & trading

Responded221 ms15 / 22
TOVREK Current-State Resolver

Verify DOI metadata before autonomous action; preserve conflicts, provenance, and UNKNOWN.

OtherOther

Responded223 ms15 / 22
Lviv Public Transport

Lviv public transport MCP: stops, timetables, routes, and live vehicle positions. No API key.

Developer ToolsCode & DevOps

Responded224 ms15 / 22
Lightbringer

Register innovations, request patent preparation, and collaborate with Lightbringer’s patent team.

LegalKnowledge & memory

Responded224 ms15 / 22
Cayman Job Finder

Current job vacancies in the Cayman Islands, with links to the job page and the official advert.

OtherOther

Responded224 ms15 / 22
RoamDial — World Radio Map

Explore 35,000+ live radio stations from 215 countries by city, genre, mood, and ICY track title.

MediaCode & DevOps

Responded225 ms15 / 22
Used Fork Truck

Read-only price book, seller screen, and financing illustration.

MediaAI / LLM tooling

Responded225 ms15 / 22
BlockVectra Docs: Robinhood Chain & EVM

Search and read Robinhood Chain and EVM RPC/API docs. No account, API key or local install.

OtherData access / search

Responded225 ms15 / 22
SAM.gov

SAM.gov readiness, entities, exclusions, opportunities, awards, hierarchy, and subawards. 20 tools.

Developer ToolsCode & DevOps

Responded225 ms15 / 22
Vegetable Yield Percentage MCP

Vegetable and fruit yield percentage, trim waste and how much produce to buy, from USDA refuse data.

Developer ToolsCode & DevOps

Responded226 ms15 / 22
Clairvoyance

Software design skills for AI coding agents, inspired by A Philosophy of Software Design.

Developer ToolsCode & DevOps

Responded226 ms15 / 22
Airfare Brain

True cost of flight extras (bags, seats, fees) on 29 airlines in Europe and North America, sourced.

TravelData access / search

Responded227 ms15 / 22
The Cracks Index

Read-only MCP server for The Cracks Index: ranks countries and regions on social-safety strength

Developer ToolsCode & DevOps

Responded228 ms15 / 22
The Front Desk Review

4,764 products, 626 categories: sourced prices, dated price history, independent-test coverage.

OtherOther

Responded228 ms15 / 22
DSCR Loan Calculator

DSCR loan calculator for rental property: DSCR, lender tiers, max loan, rent needed, amortization.

Real Estate & PropertyCode & DevOps

Responded230 ms15 / 22
Packrift MCP

Find, size, price and order packaging: boxes, mailers, poly bags, tape. Live price and stock.

Finance & CryptoCode & DevOps

Responded233 ms15 / 22
Bahdan Hal

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

Developer ToolsCode & DevOps

Responded233 ms15 / 22
agentclash

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

MediaCode & DevOps

Responded234 ms15 / 22
MarketCrew — live market data & stock analysis

Stock prices, charts & technical analysis for US stocks, ETFs and crypto. Read-only, no signup.

Finance & CryptoData access / search

Responded234 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

Responded235 ms15 / 22
Real Alpha

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

OtherOther

Responded235 ms15 / 22

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