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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1504 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
io.github.robertoyanguas-ops/domain-osint-mcp

Inspects live IPv4/IPv6 DNS resolution, TLS certificate issuer/expiry, and HTTP security grade.

Developer ToolsCode & DevOps

Outdated check398 ms12 / 22
io.github.robertoyanguas-ops/assay

A2A & MCP Pre-Flight Security: SHA-256 tool schema rug-pull detection and liveness grades.

TravelCode & DevOps

Outdated check400 ms12 / 22
io.github.robertoyanguas-ops/github-audit-mcp

Evaluates any GitHub repository for license risk, maintenance velocity, stars/forks, and security.

Developer ToolsCode & DevOps

Outdated check402 ms12 / 22
API Change Feed

Breaking changes, deprecations and security fixes for 38 popular APIs/SDKs. Paid per call via x402.

Finance & CryptoPayments & trading

Outdated check403 ms12 / 22
io.github.robertoyanguas-ops/x402-audit-mcp

Audits any URL for HTTP 402 x402 V2 compliance, PAYMENT-REQUIRED headers, Bazaar schema, and MCP.

Finance & CryptoPayments & trading

Outdated check404 ms12 / 22
Domain Health

Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.

OtherOther

Outdated check425 ms12 / 22
Cognita

Passive OSINT and security recon: DNS, TLS, email posture, IP reputation, CVE/KEV, CT logs.

ProductivityCommunication & messaging

Outdated check434 ms12 / 22
Mifori CertAgent Trust Oracle

Live AI agent trust oracle: audit synthetic IQ, latency & JSON compliance via x402 or free tokens.

Developer ToolsCode & DevOps

Outdated check438 ms12 / 22
io.github.robertoyanguas-ops/cve-intel-mcp

Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and re

SecurityCode & DevOps

Outdated check440 ms12 / 22
Pipefork Management MCP

Manage Pipefork API projects, drafts, connections, secrets, and deployments through MCP.

Developer ToolsCode & DevOps

Outdated check455 ms12 / 22
Tendmark Buildings: Organize my building’s Clean Buildings compliance

Washington State Clean Buildings compliance scope and indicative fee requests

OtherOther

Responded458 ms12 / 22
Agents Colombia

Colombian tax, company, contract, trademark and ad-compliance agents, paid per call with x402 USDC.

LegalPayments & trading

Outdated check461 ms12 / 22
Panta Swiss Job Market Data

Source-linked Swiss job and employer data. Public market tools; personal workspace tools use OAuth.

Finance & CryptoData access / search

Outdated check463 ms12 / 22
Paperloo Compliance

Automated website compliance infrastructure and GDPR/CCPA auditing.

Developer ToolsCode & DevOps

Outdated check467 ms12 / 22
tradehouse-th-api

TradeHouse Trading CRM Signals API. Customer-facing, compliance-hardened signal + prediction-market

Finance & CryptoPayments & trading

Responded485 ms12 / 22
DataNexus MCP

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

LegalKnowledge & memory

Outdated check492 ms12 / 22
ScanLabsAI Security Scanner

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

OtherOther

Outdated check514 ms12 / 22
ALK Compliance MCP

Read-only, cited US compliance checks: product rules, Form 5500, federal award deadlines.

GovernmentCode & DevOps

Outdated check523 ms12 / 22
BentCrypto Machine Payments

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Finance & CryptoPayments & trading

Outdated check534 ms12 / 22
Atisbo Documentation

Read-only search and page retrieval from the public Atisbo documentation corpus. No authentication.

Developer ToolsFile & docs

Outdated check536 ms12 / 22
Complyzard

The Compliance Knowledge Marketplace. Accessible to people and AI. Find it on Complyzard.

Developer ToolsCode & DevOps

Outdated check541 ms12 / 22
MCP Marketplace

Search and install 4,000+ security-scanned MCP servers from inside any MCP-aware AI client.

Developer ToolsData access / search

Outdated check544 ms12 / 22
NetSendo website

NetSendo facts, plans, releases, docs and blog; release alerts after OAuth sign-in.

OtherOther

Outdated check557 ms12 / 22
Tiana & Co. Seller Compliance

Which certificate (CPC, GCC, FCC, FDA), what marketplaces ask, supplier blacklists, customs holds.

Developer ToolsCode & DevOps

Outdated check577 ms12 / 22

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