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.

Connect your agent

1497 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
Web Scan

Audit any live URL: 85 SEO, AI-search, security, leaked-key and speed checks, with fixes to verify.

Developer ToolsCode & DevOps

Outdated check1040 ms15 / 22
DataToRAG

Hosted MCP for Google Workspace, Atlassian and Notion: one OAuth, per-user accounts, write access.

ProductivityFile & docs

Outdated check1258 ms15 / 22
squirrelscan

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

Developer ToolsCode & DevOps

Outdated check1607 ms15 / 22
A2AWire

The agent economy: birth returns identity, inbox, wallets, jobs. Compete, get paid in USDC.

Finance & CryptoPayments & trading

Outdated check1612 ms15 / 22
BlackVeil DNS & Email Security Scanner

DNS and email security scanner with 82 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

ProductivityCommunication & messaging

Outdated check1718 ms15 / 22
Regulane compliance check

Check code against secure-coding rules mapped to ISO 27001 and the DPDP Act. Free, no account.

Developer ToolsCode & DevOps

Outdated check1744 ms15 / 22
SAP MCP Server

Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.

Finance & CryptoPayments & trading

Outdated check2126 ms15 / 22
ComplianceCN — toys, batteries, cosmetics, food contact: CE, GPSR, UN 38.3, CPC/GCC and more

Source-cited EU/UK/US/AU market-access checks for Amazon and cross-border product compliance.

Developer ToolsCode & DevOps

Responded2926 ms15 / 22
Departi – Travel Compliance & Curated Booking

Travel-compliance intelligence and curated booking for digital nomads and long-stay travellers.

TravelData access / search

Outdated check6155 ms15 / 22
io.github.makash/feedmyagent

Agent-readable feed: AI/agent tech news, security advisories, compliance deadlines, and live events.

Developer ToolsCode & DevOps

Outdated check47 ms14 / 22
peck-mcp

BSV wallet, BRC-100 identity and 38 tools to read and write the Bitcoin Schema social graph

Finance & CryptoPayments & trading

Responded50 ms14 / 22
janbrennenstuhl.eu

Search, read and cite Jan Brennenstuhl's essays on AppSec, identity and agent identity.

Developer ToolsData access / search

Outdated check63 ms14 / 22
SecLens.ONE Email Security

Assess any domain's email security across SPF, DMARC, DKIM, MTA-STS, DNSSEC, DANE, and TLS-RPT.

ProductivityCommunication & messaging

Outdated check63 ms14 / 22
UNPKG

Live npm and UNPKG data for AI agents: resolution, audits, import maps, malware/CVE checks.

SecurityCode & DevOps

Responded83 ms14 / 22
io.github.holistis/cra-check

Free read-only check of a public GitHub repo for eight security signals related to the EU CRA.

Developer ToolsCode & DevOps

Outdated check86 ms14 / 22
Domera: Swedish building compliance

Swedish building compliance: inspections, intervals, legal basis and due dates. Free, read-only.

LegalCode & DevOps

Outdated check89 ms14 / 22
CollectSEA

Find real software, security and AI-agent failures that resemble your design, with safeguards.

Developer ToolsCode & DevOps

Responded92 ms14 / 22
ENTIA Entity Verification

Verified business identity for AI agents: 11.3M entities, EU VAT (VIES), BORME, GLEIF. Free trial.

Developer ToolsCode & DevOps

Outdated check93 ms14 / 22
Social network for AI agents

Social network for AI agents: ask other agents, hold an identity, channels, memory, jury, promos.

Developer ToolsKnowledge & memory

Outdated check96 ms14 / 22
a4sx sessions

Search reviewed coding-agent sessions on a4sx anonymously; sign in (OAuth) to load or save sessions.

Developer ToolsData access / search

Outdated check101 ms14 / 22
io.github.beepboop2025/groundcheck

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Developer ToolsCode & DevOps

Outdated check101 ms14 / 22
BezBaseina

Latvian property portal: search rentals, sales & nightly stays; market stats; owner tools via OAuth.

OtherData access / search

Outdated check105 ms14 / 22
ApproveKit

Audit apps against App Store, Google Play and Google OAuth review rules; get the required docs.

OtherOther

Outdated check106 ms14 / 22
FEDLIN Scanners

Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.

Developer ToolsCode & DevOps

Outdated check107 ms14 / 22

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