MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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3330 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 Utility Network

Outcome-first x402 services led by AveDaris Company Intelligence with free task routing on Base.

Developer ToolsCode & DevOps

Outdated check3279 ms14 / 22
dev.vetagent/vetagent

Pre-trade safety check for AI agents: honeypot, tax, liquidity and rug risk before you buy.

Finance & CryptoPayments & trading

Responded128 ms14 / 22
Wicked MCP

Whole Wicked suite for agents: market data, SEC filings, wallet checks, risk, identity, memory.

Finance & CryptoData access / search

Responded244 ms14 / 22
Mempool Space

mempool.space MCP — Bitcoin block explorer + mempool/fee stats

Finance & CryptoPayments & trading

Responded70 ms14 / 22
io.github.benmilne-com/benmilne

Search and read essays by Ben Milne on payments, stablecoins, and company building.

Finance & CryptoPayments & trading

Responded106 ms14 / 22
Diogenes Autonomous Microservice Gateway

Autonomous AI microservices: 55 dynamic guardrails, contract audits & oracles via L402/x402/MPP.

LegalCode & DevOps

Responded112 ms14 / 22
Diogenes Gemini Suite & Agents MCP

Account-less MCP access to 45 Gemini models & autonomous agents via L402, x402, and MPP.

Developer ToolsCode & DevOps

Responded113 ms14 / 22
Token Risk

Token Risk — rug-pull / honeypot screening for crypto tokens.

Finance & CryptoCode & DevOps

Responded115 ms14 / 22
Helius

Helius MCP — deeper Solana wallet/asset data than solscan (helius.dev)

Finance & CryptoPayments & trading

Outdated check165 ms14 / 22
Gov Auctions

Government Auctions MCP — physical-asset auctions (surplus, seized, forfeited, tax-deed) that…

GovernmentCode & DevOps

Outdated check276 ms14 / 22
369 Meter — pay-per-call APIs for agents (x402)

Pay-per-call APIs for agents: text analysis, game facts, translation QA, hook scoring via x402.

Developer ToolsCode & DevOps

Outdated check388 ms14 / 22
Japan Corporate Number

japan-corporate-number — Japan's National Tax Agency (国税庁) corporate number register (法人番号公表サイト).…

Developer ToolsCode & DevOps

Responded574 ms14 / 22
com.costsegsmart/cost-seg-smart

Cost segregation study pricing and Year-1 depreciation/tax-savings estimates for US properties.

Finance & CryptoPayments & trading

Responded805 ms14 / 22
Agent Kiosk — 23-in-1 B2A Intelligence, Action & x402 API

23-in-1 MCP server: EVM tx simulator, funding rate arb, macro radar, swap calldata & security.

Developer ToolsPayments & trading

Outdated check1058 ms14 / 22
California Tax Appeals

California Office of Tax Appeals (OTA) opinions — search by statute section/topic across issued…

LegalCode & DevOps

Outdated check6130 ms14 / 22
Covalent

Covalent / GoldRush MCP — unified wallet balances + transactions across 100+ chains (goldrush.dev…

Finance & CryptoPayments & trading

Outdated check6136 ms14 / 22
Banking Regulations

Banking Regulations MCP — US banking & consumer-finance rules (12 CFR).

LegalCode & DevOps

Outdated check6160 ms14 / 22
Factline X402 Health

factline-x402-health -- x402 seller and facilitator health.

Developer ToolsCode & DevOps

Outdated check6170 ms14 / 22
Cms Open Payments

CMS Open Payments, with annual dataset discovery through the official DKAN API.

Finance & CryptoPayments & trading

Outdated check6403 ms14 / 22
RugShield 402

Real-time token contract safety scanner and honeypot auditor via x402 on Base.

LegalCode & DevOps

Outdated check6534 ms14 / 22
io.github.ryuamarines/text-slugifier

Converts text titles into URL-safe slugs and flags duplicates. x402 paid (Base mainnet USDC).

Finance & CryptoPayments & trading

Outdated check49 ms13 / 22
cloud.fetcher/fetcher

The web capability layer for AI agents: render, extract, DNS, SSL, WHOIS & more via x402.

Finance & CryptoPayments & trading

Responded56 ms13 / 22
Wafermap

x402 layer for AI agents: 35 pay-per-call resources, x402 service discovery, USDG/USDC.

Finance & CryptoPayments & trading

Outdated check57 ms13 / 22
io.github.ryuamarines/robots-txt-checker

Checks if a URL path is allowed by robots.txt. x402 payment required (Base mainnet USDC).

Finance & CryptoPayments & trading

Outdated check58 ms13 / 22

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