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

1498 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
Huntertech

Vendor incidents, public pricing, and plan-gated account tools. OAuth at /mcp/auth.

Developer ToolsCode & DevOps

Outdated check607 ms13 / 22
GhOsT77 crypto data + security

Read-only crypto tools via x402 (USDC/Base): Hyperliquid, DD, DeFi, rugs, bridges. +security reviews

Finance & CryptoPayments & trading

Outdated check608 ms13 / 22
AnonPing

User-authorized anonymous matching and text conversations, with revocable OAuth permissions.

OtherOther

Outdated check616 ms13 / 22
SENTINEL Compliance Intelligence

AML/CFT compliance oracle: wallet screening, sanctions, PEPs, jurisdiction risk.

LegalPayments & trading

Outdated check629 ms13 / 22
Circuit

Find and try paid AI agent skills for security, on-chain data, code, markets, research and news.

Finance & CryptoPayments & trading

Outdated check639 ms13 / 22
Vektro

Specialist workflows for marketing, web, content and automation. Paid account; OAuth required.

Marketing & SalesAutomation & workflows

Outdated check639 ms13 / 22
Capivara: Investigação Cadastral

360º background dossier on a person (or company) from name + CPF: identity, contact, money-to-claim

Developer ToolsCode & DevOps

Outdated check642 ms13 / 22
Porch

Public URLs for AI agents to catch webhooks, OAuth redirects, job callbacks and approval clicks.

Developer ToolsAutomation & workflows

Responded646 ms13 / 22
Security Startups

Search a curated directory of young security companies and its CC BY 4.0 stats. Read-only, no key.

OtherData access / search

Outdated check647 ms13 / 22
vulnerable.now

Free CVE lookups, package checks and patch priorities from public sources. No account or API key.

SecurityData access / search

Outdated check652 ms13 / 22
AstraVerify Domain Trust Check

Email security and AI discoverability scores for any domain, with the exact record or tag to fix.

ProductivityCommunication & messaging

Outdated check660 ms13 / 22
Corrie Site Check

Free HTTPS and security header check from Corrie, uptime monitoring for small teams. No auth.

OtherMonitoring & observability

Outdated check676 ms13 / 22
DDG Agent Services

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Finance & CryptoData access / search

Outdated check731 ms13 / 22
Is the internet OK?

Live internet status, security incidents, and dependency and GitHub repo checks. No key.

Developer ToolsCode & DevOps

Outdated check746 ms13 / 22
SPACEXPLORATION

Search commercial real estate listings. Reads need no token; authoring is self-serve OAuth (DCR).

Real Estate & PropertyData access / search

Outdated check756 ms13 / 22
Agrus.ai — Enterprise AI Agency

AI consulting agency for regulated industries. Scope a PoC, query compliance, request a proposal.

Developer ToolsCode & DevOps

Outdated check769 ms13 / 22
AcidPeak

Read-only vulnerability intelligence: CVEs, exploitation evidence, fixes and product matches.

SecurityMonitoring & observability

Outdated check799 ms13 / 22
Brainiall NLP

Sentiment, toxicity, entity extraction, PII, translation, summary, QA, fraud scoring, safety audit.

OtherOther

Outdated check919 ms13 / 22
ScanPay — Code Security Oracle

Deterministic code security scan + tx preflight, paid in USDC via x402.

Finance & CryptoPayments & trading

Outdated check925 ms13 / 22
nophi.sh

Public facts on nophi.sh, phishing-awareness training for French SMBs: catalogue, prices, security.

OtherOther

Outdated check964 ms13 / 22
MarketPilot

Korean SMB marketing: browse, pay by card link, track orders. No login to start; OAuth to link.

Marketing & SalesData access / search

Outdated check1011 ms13 / 22
NetActuate

Current data on NetActuate's data centers, compliance, products, marketplace apps and docs.

OtherOther

Outdated check1020 ms13 / 22
HanoLab Voice Conversion

Convert uploaded speech or singing with your saved HanoLab voices, using OAuth and credit quotes.

Developer ToolsCode & DevOps

Outdated check1025 ms13 / 22
Kaneme — Your writing identity, measured and portable

Build a voice from your own texts, measure whether a text still sounds like you, then write in it.

OtherOther

Outdated check1039 ms13 / 22

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