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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4714 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
Toys Hub

Browse Toys Hub: products, prices in ALL, stock, delivery and checkout links. Read-only, no sign-in.

Finance & CryptoPayments & trading

Responded416 ms13 / 22
Helium MCP Server - News, Markets & AI

Real-time news with bias scoring, live market data, and AI-powered options pricing

Finance & CryptoData access / search

Responded421 ms13 / 22
SCRIPTMASTERLABS — OmniPost

One post → native, validated posts for 14 social platforms, with x402 pay-per-call tools.

Finance & CryptoPayments & trading

Responded421 ms13 / 22
Bull OTC

Non-custodial RFQ and atomic swap settlement for AI agents. Escrow onchain, signed receipts.

Finance & CryptoPayments & trading

Responded422 ms13 / 22
Sharpnel Trading — Dealer Gamma Levels

Free dealer-gamma call walls, put walls and gamma flip for ES, NQ, SPX and QQQ, graded daily.

Finance & CryptoPayments & trading

Responded422 ms13 / 22
Agent Data API

Memecoin screener, backtests, exit alerts, wallet traces + web search, enrichment, 50+ tools (x402)

Finance & CryptoData access / search

Responded424 ms13 / 22
Equity Rank

Model fair value estimates, margin-of-safety differentials and quality scores for 3,000 U.S. stocks.

Finance & CryptoPayments & trading

Responded428 ms13 / 22
Indo News API

Indonesian news + FX history to 10 yrs, crypto/IDR, quakes, holidays. $0.05/call, licences $19-700

Finance & CryptoPayments & trading

Responded431 ms13 / 22
Toolaby docs

Search and read Toolaby's docs: payments, licences and paywalls for Chrome extensions.

Finance & CryptoPayments & trading

Responded434 ms13 / 22
xyz.chain-ops/mgo

Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.

Finance & CryptoPayments & trading

Responded436 ms13 / 22
SelfOperate Tools

Pay-per-call company dossier, business lookup and website tools for AI agents (x402).

Finance & CryptoData access / search

Responded437 ms13 / 22
HeritageDeed Title Search and Property Data

US title search, auction pre-checks, surplus and tax sale lists, free flood, radon and LLC lookups.

Finance & CryptoData access / search

Responded438 ms13 / 22
Clearlot

Specified RFQ tape. Free search and quote. Missed specs stay. Merchant checkout.

Finance & CryptoPayments & trading

Outdated check438 ms13 / 22
DIEM Agent Workers

Discover privacy-first, bounded Venice-powered micro-work calls with exact x402 USDC prices.

Finance & CryptoPayments & trading

Responded439 ms13 / 22
x402 Agent Utilities

Pay-per-call x402 tools (USDC on Base): token facts, web-to-Markdown, x402 precheck.

Finance & CryptoPayments & trading

Responded439 ms13 / 22
Agent Arena

Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.

Finance & CryptoPayments & trading

Responded439 ms13 / 22
Axiom Solana Token Risk

Solana SPL token risk checks: free preview tool plus links to paid x402 (USDC) full reports.

Finance & CryptoPayments & trading

Responded440 ms13 / 22
Agent Credit Bureau

Economic evidence for AI agents. Paid x402 reports in Base USDC; no credit score.

Finance & CryptoPayments & trading

Responded447 ms13 / 22
MacrosMap: Restaurant Menu Macros

Calories, protein, carbs and fat for restaurant menu items. Search is free; lookups paid via x402.

Finance & CryptoData access / search

Responded448 ms13 / 22
ROKI Connect

Verified ROKI Connect payments contract for coding agents: operations, schemas, validator.

Finance & CryptoPayments & trading

Responded448 ms13 / 22
Klinikk Ferbu nettbutikk

Klinikk Ferbu web shop: cosmetic hair-care products, live shipping quotes, Stripe checkout links.

Finance & CryptoPayments & trading

Responded455 ms13 / 22
BestBid Agent Sponsorship

Paid advertising for agents: rankings, quotes and MPP or x402 wallet integrations.

Finance & CryptoPayments & trading

Responded457 ms13 / 22
com.edgethirteen.www/numbercheck

Checks $TICKER numeric claims in financial writing against SEC EDGAR XBRL data from the latest 10-K.

Finance & CryptoPayments & trading

Responded459 ms13 / 22
GF Agent Toll

GF Pick MCP: Saudi import costs and GCC commerce analytics. Free tool; x402 from 0.25 USDC.

Finance & CryptoPayments & trading

Responded461 ms13 / 22

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