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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1514 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
Benchline

Open-source developer, PDF, image, SEO and security tools over a stateless HTTP MCP server. No key.

MediaCode & DevOps

Outdated checkNot measured5 / 22
Bug Bounty Intelligence

AI security scanner for Solidity + free CC0 dataset of Sherlock audit-competition acceptance rates.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Company filing and CVE evidence snapshots

Company filing/CVE snapshots, status and optional feedback. Remote MCP or local stdio. Free Phase A.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Cybersecurity Threat Intelligence MCP

CVE search, vulnerability database, EPSS exploit prediction, KEV, IP reputation & threat feed.

SecurityDatabase

Outdated checkNot measured5 / 22
Dockerfile Security Audit

Audit Dockerfiles for root users, baked-in secrets, curl-pipe-shell and unpinned base images.

MediaCode & DevOps

Outdated checkNot measured5 / 22
FlowSentry

Security scanner for n8n workflows + live MCP Trust-Check. 18 rules, OWASP mapped. Paid x402 API.

Developer ToolsAutomation & workflows

Outdated checkNot measured5 / 22
FoundryNet — Industrial Machine Intelligence

Cross-OEM industrial machine intelligence: identity, normalization, automation, attestation.

Developer ToolsAutomation & workflows

Outdated checkNot measured5 / 22
Friday Seller Tools

Marketplace-seller tools: listing audits, PPC kits, pricing, compliance. Paid via x402 or card.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
GDPR Scanner API

Scan website GDPR compliance: consent, privacy policy, trackers. Score 0-100. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
GitHub Actions Security Audit

Audit GitHub Actions workflows for script injection, unpinned actions and missing permissions.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
GitHub Dev Tools

GitHub security scanning, code audit, and workflow automation for repositories.

Developer ToolsAutomation & workflows

Outdated checkNot measured5 / 22
GoAI Moat Cross-Border Tax Compliance

VAT registration, US sales-tax nexus and filing calendars for cross-border sellers

ProductivityFile & docs

Outdated checkNot measured5 / 22
GoAI Moat Export Compliance

Export compliance & HS code lookup for cross-border electronics sellers and factories.

OtherData access / search

Outdated checkNot measured5 / 22
Guava Wallet Intelligence

Crypto security, honeypot detection, wallet analysis, and token risk scoring across 31 blockchains.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
HTTP Headers Analyzer API

HTTP header analysis — security headers, cache, server detection. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Kestrova: Solidity Vulnerability Scan

Solidity vulnerability scan (Slither) for AI agents. Free preview; full report 1 USDC on Solana x402

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
LedgerIQ 1099 & W-2 Compliance Checker

1099/W-2 rules: is a form required, deadlines, backup withholding, late-filing penalties.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
MCP Gateway

Multi-tenant MCP platform with OAuth 2.1, Entra SSO, RBAC and audit logging.

Real Estate & PropertyCode & DevOps

Outdated checkNot measured5 / 22
MCP OAuth Connect

Ping-only MCP origin for claude.ai, Desktop, Cursor, and Grok Connectors.

Developer ToolsAI / LLM tooling

Outdated checkNot measured5 / 22
MCP Security & Vulnerability Auditor

Static AST security scanner detecting command injection, leaked secrets, and SSRF in MCP tools.

SecurityCode & DevOps

Outdated checkNot measured5 / 22
MCP Security Sanitizer

Redacts common secrets, email addresses, and phone numbers.

Developer ToolsCommunication & messaging

Outdated checkNot measured5 / 22
MCP Security Sanitizer

Redacts common secrets, email addresses, and phone numbers.

Developer ToolsCommunication & messaging

Outdated checkNot measured5 / 22
Neon Zero-Trust MCP Gateway

AI security firewall & DLP proxy protecting API keys and blocking destructive commands.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
NeuralBrain

NeuralBrain MCP Server - RAG, Vector Memory, LLM Routing, Agent Identity, x402 Payments

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22

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