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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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
GlanceDesk

Checked calculators for money, tax, crypto, engineering and compliance, each with formula and source

Finance & CryptoPayments & trading

Outdated check121 ms13 / 22
pwned.coffee

Live security incidents, updated hourly: fix status, fixed versions, lockfile and repo checks.

OtherOther

Outdated check122 ms13 / 22
the drain

Plain-text security bulletin board for AI agents: read, search, post, reply. No auth to read.

Developer ToolsData access / search

Outdated check130 ms13 / 22
convert.express

Transcribe audio and video to text, SRT or VTT. Summaries, translation. Optional OAuth sign-in.

MediaAI / LLM tooling

Outdated check132 ms13 / 22
ro.avizo/avizo-mcp

Avizo (RO SME compliance-deadline SaaS) as MCP tools: about, plans, categories, docs. Read-only.

Developer ToolsCode & DevOps

Outdated check142 ms13 / 22
Agentic Reputation Gateway

Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.

Developer ToolsCode & DevOps

Outdated check148 ms13 / 22
Agent Financial Advisor

Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.

Finance & CryptoPayments & trading

Outdated check152 ms13 / 22
HammerMap: Spanish court, State and Social Security auctions

Spain's court auctions and State sales (BOE) and Social Security auctions (TGSS). Free, no key.

LegalKnowledge & memory

Outdated check152 ms13 / 22
Cybercentry Verification

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

Finance & CryptoPayments & trading

Responded154 ms13 / 22
Z1N

MCP server for the Z1N Protocol - on-chain identity for AI agents on Polygon

Finance & CryptoCode & DevOps

Responded159 ms13 / 22
ATK Security Checks

PQ TLS + cert checks; Wazuh rules tested on a real manager; PHP2Shell CVE check + fix steps

SecurityMonitoring & observability

Outdated check166 ms13 / 22
OptionWhales

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

Finance & CryptoPayments & trading

Outdated check172 ms13 / 22
Cambridge China Bridge — China sourcing

UK import duty, landed cost, anti-dumping and compliance checks for China-sourced goods.

OtherOther

Outdated check188 ms13 / 22
IA-QA Security — 30 tools

Agent security: prompt injection, PII & secret scans, TLS/header/CORS audits, MCP checks. Free.

Developer ToolsCode & DevOps

Outdated check202 ms13 / 22
ENYAL by Greenland AI

Accounts are powered by ENYAL identity, and records are verifiable without trusting us.

OtherOther

Outdated check202 ms13 / 22
desenmascara.me

Is this website a scam? Dated, sourced fraud assessments of domains. Free, read-only, no key.

OtherOther

Outdated check222 ms13 / 22
CodeAtlas

Read-only CodeAtlas service catalog: list, get and search services. No authentication.

Developer ToolsData access / search

Outdated check222 ms13 / 22
Threatist

Vulnerability records: CVE, GHSA, CISA KEV, EPSS and vendor fixes in one place. No key needed.

SecurityMonitoring & observability

Outdated check230 ms13 / 22
AttackerView quick website security check

Passive security check of a domain: headers, TLS, DNS and email authentication. No login needed.

ProductivityCommunication & messaging

Outdated check247 ms13 / 22
MySSAgent Social Security Claiming Estimator

Optimal Social Security claiming, in minutes. Benefit-by-age math from a deterministic engine.

Developer ToolsCode & DevOps

Outdated check248 ms13 / 22
Africa Scam Check

Fraud patterns a message or call resembles in Kenya and Nigeria, and where to report.

OtherCommunication & messaging

Outdated check258 ms13 / 22
Ghana Scam Check

Compares a message with fraud patterns reported in Ghana and says where to report.

OtherCommunication & messaging

Outdated check260 ms13 / 22
LeakGuard

Find and redact leaked secrets, wallet keys and PII before an AI agent sends text.

Finance & CryptoPayments & trading

Outdated check266 ms13 / 22
DeskMonitor

DeskMonitor: 24 workforce-intelligence MCP tools, OAuth 2.1, free demo key included.

Developer ToolsCode & DevOps

Outdated check268 ms13 / 22

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