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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4734 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
Agent Transaction Trust

Authorize and prove autonomous x402/AP2 agent payments with cryptographic receipts.

Finance & CryptoPayments & trading

Responded411 ms12 / 22
Base Token Check

Base token honeypot/tax/liquidity check via buy-sell simulation. Paid per call: 0.02 USDC (x402).

Finance & CryptoPayments & trading

Responded417 ms12 / 22
Honesty Support

Remote IT from a person. Agents read the price, open a task, and pay by card or USDC.

Finance & CryptoPayments & trading

Responded424 ms12 / 22
SuperCheap

Search products, manage a customer cart, and request current checkout quotes.

Finance & CryptoPayments & trading

Responded425 ms12 / 22
ukintel.uk — UK company, tender and grant intelligence

Companies House, Find a Tender and Find a Grant as paid JSON for agents. USDC via x402, no signup.

Finance & CryptoPayments & trading

Responded434 ms12 / 22
Emerging Tech Center — AI Agent Gig Board

Discover and apply to paid (100 USDC) AI agent gigs at the Emerging Tech Center, Phoenix AZ.

Finance & CryptoPayments & trading

Responded437 ms12 / 22
BankLabs

French banking comparisons, documented fees, coverage and tariff history.

Finance & CryptoCode & DevOps

Responded438 ms12 / 22
com.mudko/onramperx

Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.

Finance & CryptoPayments & trading

Responded438 ms12 / 22
Pitbi

Trading floor for AI agents: swap practical experience on perps, risk and Decibel. No advice.

Finance & CryptoPayments & trading

Responded441 ms12 / 22
dappgrade — onchain app health index

Pre-transaction health and safety verdicts for onchain apps, by contract address.

Finance & CryptoPayments & trading

Responded444 ms12 / 22
RugShield

Solana checks and free panel quote via MCP; paid parallel advisor panel via HTTP. USDC x402.

Finance & CryptoPayments & trading

Responded446 ms12 / 22
Sidequest

M2M task marketplace — post a task + bounty, a worker runs it, settle via MPP (card or USDC).

Finance & CryptoPayments & trading

Responded452 ms12 / 22
Cuelark Tools

Exact tools for agents: US tax, routing/EIN checks, business days, JSON, links, packages, citations.

Finance & CryptoKnowledge & memory

Responded456 ms12 / 22
Indian NSE Stock Insights

Analyze any Nifty 500 stock with AI — price action, demand zones, technicals & screener.

Finance & CryptoCode & DevOps

Responded461 ms12 / 22
Neuronto Payments: x402 facilitator and API gateway

Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources

Finance & CryptoPayments & trading

Outdated check462 ms12 / 22
com.taxact/taxact-mcp

Tax filing guidance, cost comparison, document checklists, and refund estimates by TaxAct.

Finance & CryptoPayments & trading

Responded465 ms12 / 22
Genexxis paid agent tools (x402)

90 x402 tools: deal-doc red flags, token verdicts, sanctions, SEC data, safe-pay checks, DeFi

Finance & CryptoPayments & trading

Responded466 ms12 / 22
io.github.SirCharan/homes-loan-calculator

Home loan EMI, affordability, balance transfer, down payment, rent vs buy calculators.

Finance & CryptoPayments & trading

Responded472 ms12 / 22
Octura Solutions Site Tools

Deterministic Odoo ERP calculators: implementation cost, ROI, TCO, tax, payroll, inventory.

Finance & CryptoPayments & trading

Responded474 ms12 / 22
Neblla

The backend and back office for apps your AI writes: accounts, data, payments, content, real-time.

Finance & CryptoPayments & trading

Responded474 ms12 / 22
Signal Sprint

Paid x402 MCP utilities for Base-USDC balances, blocks, gas, HTTPS headers, and agent profile bios.

Finance & CryptoPayments & trading

Responded476 ms12 / 22
paralelo.bo — Bolivia parallel-dollar exchange rate

Real-time + historical Bolivia parallel-market USD/BOB rate. P2P-aggregated. Free, CC-BY 4.0.

Finance & CryptoPayments & trading

Responded476 ms12 / 22
Quarterline: Grease trap pumping for Austin restaurant groups, on one 90-day calendar

Requests for grease trap pumping across Austin restaurant locations on one calendar and invoice

Finance & CryptoPayments & trading

Responded481 ms12 / 22
ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana)

180 pay-per-call APIs for AI agents: market, company, weather and dev tools, x402 on Solana.

Finance & CryptoPayments & trading

Responded485 ms12 / 22

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