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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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
lovefengis

Services and prices of lovefengis, a remote digital agency serving Turkey. Read-only, no auth.

OtherOther

Responded1092 ms15 / 22
ANKUSI Wheel Fitment

Bolt pattern, center bore, OE wheel size and offset for about 10,000 vehicles. Free, no API key.

OtherOther

Responded1096 ms15 / 22
Vocenya Site

Read-only answers from vocenya.com: plans and prices, products, industries, locations, guides.

OtherOther

Responded1100 ms15 / 22
Buzzedin

Find NYC rental apartments by budget, neighborhood, commute and amenities, with deal scores.

OtherOther

Responded1208 ms15 / 22
Santismm Knowledge — Harness Engineering, Agentic AI & Governance

Query AI knowledge, essays, Labs, benchmarks, Physical AI robotics, Homeric data and claims.

OtherOther

Responded1216 ms15 / 22
SuliHuli EV catalog

Electric-vehicle specs, prices, rankings and comparisons; every figure with its source and date.

OtherOther

Responded1223 ms15 / 22
Programscape

Startup credits, programs and perks from checked sources, with saved plans and reported balances.

OtherOther

Responded1235 ms15 / 22
AI 客服国标合规知识库 (GB/T 47746—2026)

中国 AI 客服国标 GB/T 47746—2026 合规知识库:条款级问答 + 全部 61 项达标自查清单(48 应 + 4 宜 + 9 可,含 5 项一票否决),答案标注条款依据。

OtherOther

Responded1362 ms15 / 22
CertArc

Free CISM, CISSP, CISA, AAISM and AAIA practice questions, and read-only access to your study.

OtherOther

Responded1367 ms15 / 22
Almost Fire

Strength training plans for 26 weeks, plus set, meal and progress logging in Almost Fire.

OtherOther

Responded1379 ms15 / 22
Immersive Commons

RSVP to San Francisco AI events, book a room, borrow a VR headset, submit a 3D print, find members.

OtherOther

Responded1670 ms15 / 22
SRIFT

Decentralized E2EE P2P file transfer + chat: human to human, human to AI, AI to AI. No accounts.

OtherOther

Responded1849 ms15 / 22
NHL Markets Desk

NHL on Kalshi: tonight's games and goal scorers vs a model, plus Stanley Cup odds vs Polymarket.

OtherOther

Responded1881 ms15 / 22
PatchDesign.AI

Design custom embroidered, woven, chenille, printed and PVC patches, price them, and link to order.

OtherOther

Responded1881 ms15 / 22
Aviado AI

Cited supplement evidence, biomarker effects, interaction checks and brand quality

OtherOther

Responded1891 ms15 / 22
NBA Markets Desk

Kalshi NBA props and game lines vs DraftKings, FanDuel and Novig, plus who gains when a star sits.

OtherOther

Responded2029 ms15 / 22
Prediction Markets Quant

Independent quant layer: fee-adjusted edge, Kelly, combos, best price: Kalshi, Polymarket US, Novig

OtherOther

Responded2047 ms15 / 22
NexaTabs - Tab Manager, Workspaces & Session Saver

Official read-only facts on NexaTabs, the Chrome and Edge tab manager: features, Answers, version.

OtherOther

Responded2074 ms15 / 22
Everloot: WoW Forever data

World of Warcraft: Forever lore and player-observed drops, vendors, quests, professions and talents.

OtherOther

Responded2564 ms15 / 22
JobMojito

Run AI interviews, simulated personas and coaching sessions on JobMojito.

OtherOther

Responded2843 ms15 / 22
Cheapest Domains

Compare domain registration and renewal prices across registrars and check exact-name availability.

OtherOther

Responded2853 ms15 / 22
Text Analysis & Cleanup Tools (Tanod)

Analyse and clean up text: stats, language, keywords, summary, sentiment, PII redaction, diff.

OtherOther

Responded2952 ms15 / 22
ReliaStats

Reliability math: Weibull life, availability from MTBF/MTTR, system reliability, which fit to use.

OtherOther

Responded6472 ms15 / 22
Vital MCP by usefulapi

Read wearables and lab health data — sleep, activity, workouts, timeseries, lab tests and orders.

OtherOther

Outdated check52 ms14 / 22

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