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

4721 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
Commerce Intelligence

Behavioral-science tools for commerce: checkout, drop-off, pricing, churn. 5 free calls, then paid.

Finance & CryptoPayments & trading

Responded550 ms13 / 22
io.github.mmahdiahamed92-png/autonomous-intelligence

Non-custodial, rug-gated crypto swaps + token safety + discovery for AI agents.

Finance & CryptoCode & DevOps

Responded552 ms13 / 22
CausalLayer MCP

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

Finance & CryptoPayments & trading

Responded555 ms13 / 22
AgentRead — bounded web context

Free HTML parsing; static web context at 0.01 USDC via x402. Paid reads need a wallet adapter.

Finance & CryptoPayments & trading

Responded555 ms13 / 22
Token Safety (Base)

Base token safety: one-call verdict, risk score, rug check, holders, momentum. x402 + free demo.

Finance & CryptoPayments & trading

Responded556 ms13 / 22
OnChainDiligence

Payment evidence and policy preflight, plus paid sanctions and company Evidence Provider checks.

Finance & CryptoPayments & trading

Responded557 ms13 / 22
InkFE Print

Personalize business-card templates, review proofs, and prepare Shopify checkout.

Finance & CryptoPayments & trading

Responded558 ms13 / 22
US Tax Estimator

Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up.

Finance & CryptoPayments & trading

Responded562 ms13 / 22
PayFresco Payment Planner

Check fit for PayFresco processing, application readiness, payout cash flow, and currency plans.

Finance & CryptoPayments & trading

Responded564 ms13 / 22
io.github.goodmeta/intelligence-mcp

Agent payments ecosystem intelligence. Scans GitHub/HN/npm across AP2, ACP, x402, MPP, UCP.

Finance & CryptoPayments & trading

Outdated check568 ms13 / 22
sebbi.pro - the proof layer for AI

Prove AI decisions in Bitcoin: 755 compliance checks, bank fraud proof, AI payment checks. Free.

Finance & CryptoPayments & trading

Responded569 ms13 / 22
RailFi Payout Plans

Free, non-custodial tools to validate bounded USDC/USDT payout plans and reconcile payouts.

Finance & CryptoPayments & trading

Responded569 ms13 / 22
OwlChart

Live market data for AI: open interest on 13 exchanges, liquidity magnets, ETF flows, alerts

Finance & CryptoData access / search

Responded573 ms13 / 22
Grove Hopper Property Tax Check

Check any US address for property tax over-assessment: value, appeal deadline, exemptions. No login.

Finance & CryptoPayments & trading

Responded574 ms13 / 22
Redstone Markets

Performance, risk, comparisons, backtests and screening for US stocks and ETFs, with charts.

Finance & CryptoPayments & trading

Responded579 ms13 / 22
Context Window Supply

Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links.

Finance & CryptoPayments & trading

Responded584 ms13 / 22
STRIDE Sneaker Shop

Pre-owned sneaker shop catalog: search in-stock shoes by keyword/brand/price, get buy links.

Finance & CryptoData access / search

Responded586 ms13 / 22
Mooncatcher Wire

Free crypto news for agents: top stories by market impact, search, topics, AI digest.

Finance & CryptoData access / search

Responded587 ms13 / 22
DMCommerce

Search products, sizes, stock and shipping quotes at Brazilian online stores that run on DMCommerce

Finance & CryptoData access / search

Responded591 ms13 / 22
TRDEFI Liquidity

Live non-custodial stablecoin liquidity: open positions, volume, and an on-chain swap quote.

Finance & CryptoPayments & trading

Responded592 ms13 / 22
Agent Bobby Free

Free public stock research, market context, and comparisons for AI agents.

Finance & CryptoPayments & trading

Responded592 ms13 / 22
Alder Invoices

Free invoice drafts, templates and direct PDF generation for AI agents. No account needed.

Finance & CryptoPayments & trading

Responded594 ms13 / 22
AIXBT

Crypto market intelligence for Projects, Topics, Intel, Reports, and Clusters.

Finance & CryptoCode & DevOps

Responded595 ms13 / 22
Fatstack

Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.

Finance & CryptoPayments & trading

Responded595 ms13 / 22

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