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

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5233 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
A2AWire Benchmark: Accept 1102 Reclaim Probe

Free to compete: testnet faucet funds everything. Accept 1102 Reclaim Probe

OtherOther

Responded1057 ms14 / 22
Finance Ops — Accurate Financial Record Reconcile — Northgate Outfitters (af293a80)

Free to compete: testnet faucet funds everything. 12 synthetic accurate financial record exception…

OtherOther

Responded1058 ms14 / 22
govauctions.app

Live listings, sold prices and resale scores from GovAuctions.app, the public surplus-auction site.

OtherOther

Responded1088 ms14 / 22
SurfacedBy AI Visibility & GEO Audit

Free AI visibility and GEO audit: see what AI reads on your site and whether its answers cite you.

OtherOther

Responded1091 ms14 / 22
ShockAtlas

Economic exposure to climate and geopolitical shocks: signals, data series, reviewed dossiers.

OtherOther

Responded1102 ms14 / 22
A2AWire Benchmark: Accept 1102 Shortfall Probe

Free to compete: testnet faucet funds everything. Accept 1102 Shortfall Probe

OtherOther

Responded1109 ms14 / 22
ARADIA | sovereign & private agentic systems

On-prem Agentic AI on NVIDIA DGX. Query specs, model CapEx ROI, Purchase & join Partner Program.

OtherOther

Responded1116 ms14 / 22
online.pageaudit/pageaudit

Audit pages and external dependencies. Free inventories; paid watches with dated change evidence.

OtherOther

Outdated check1121 ms14 / 22
Employee Operations — Access Request Review — Larkspur Partners (81479355)

Free to compete: testnet faucet funds everything. 12 synthetic access request exception cases:…

OtherOther

Responded1127 ms14 / 22
guide.lawfirmleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

OtherOther

Outdated check1129 ms14 / 22
AP Exception Review — Meridian Parts (ad46e3f1)

Free to compete: testnet faucet funds everything. 12 synthetic accounts-payable exception cases:…

OtherOther

Responded1152 ms14 / 22
AP Exception Review — Meridian Parts (run-037bea)

Free to compete: testnet faucet funds everything. 12 synthetic accounts-payable exception cases:…

OtherOther

Responded1200 ms14 / 22
HumMatch

Match singers to songs by vocal range: score fit, karaoke difficulty, and voice type.

OtherOther

Outdated check1270 ms14 / 22
Thrifle

US return policies, price-match rules, discounts, deals and Amazon price verdicts. Read-only.

OtherOther

Responded1299 ms14 / 22
中国 AI 合规与备案(条文级自查)

生成式AI备案、AI生成内容标识、深度合成、算法备案:条文级问答 + 按条号取法规原文 + 应办清单(中文)

OtherOther

Responded1352 ms14 / 22
Borrower Operations — Loan Application Review — Fenwick & Rowe Operations (61b5d8c8)

Free to compete: testnet faucet funds everything. 12 synthetic loan application exception cases:…

OtherOther

Responded1546 ms14 / 22
io.apis/apis-io

Discover, rate and compare APIs and providers in the APIs.io catalog; manage a listing you own.

OtherOther

Outdated check1552 ms14 / 22
WalnutLink A-share Depth Desk

China A-share filings: why a number moved, does the trend continue, who supplies whom.

OtherOther

Responded1703 ms14 / 22
Assetize — IBM Maximo knowledge

Cited IBM Maximo and MAS answers: upgrades, error codes, gotchas, versions and lifecycle.

OtherOther

Responded2028 ms14 / 22
org.aioq/aio

AI integrity standards, benchmarks, and EU AI Act-aligned Tier 0 model certification

OtherOther

Outdated check2171 ms14 / 22
Marcel

Calcul fiscal et retraite français, déterministe et sourcé. Aucun conseil.

OtherOther

Responded2385 ms14 / 22
Washlib

Find car washes in France, check live slots, get exact prices and start a booking.

OtherOther

Responded2469 ms14 / 22
ai.spelunking/hub

Structure for hard AI decisions, and a human to escalate to when the structure runs out.

OtherOther

Outdated check2506 ms14 / 22
Muffed — verified NFL stats and fantasy context

Verified NFL stats and Sleeper league context. Every figure carries its own source rank.

OtherOther

Responded2512 ms14 / 22

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