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

40680 servers

Ordered by checks passed
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
NEARpedia

Live NEAR knowledge for agents: deprecations, breaking changes, protocol and contracts, dated

LegalCode & DevOps

Responded293 ms15 / 22
Car Rental Brain

Real cost of car hire at 120+ airports: second driver, cover, deposits, debit cards, desk hours.

TravelData access / search

Outdated check295 ms15 / 22
Pandough

Flour-first dough plans: yeast, hydration, schedule from flour you own. No API key for plan tools.

Developer ToolsCode & DevOps

Outdated check295 ms15 / 22
UnoRouter

Search 200+ UnoRouter models (most free), check pricing, and chat through one key

Developer ToolsData access / search

Outdated check296 ms15 / 22
Pipefire

Cold email for agencies: SPF, DKIM, DMARC, blacklist checks, plus campaigns and replies.

Marketing & SalesCommunication & messaging

Responded297 ms15 / 22
Printags docs

Answers questions about Printags cards, prices, ordering, the API and MCP servers. Read-only.

OtherOther

Outdated check297 ms15 / 22
Kill My Idea

Judges startup and side-project ideas: KILL IT, FIX IT or SHIP IT, a 0-100 score and 8 sub-scores.

OtherOther

Outdated check298 ms15 / 22
Epic Fantasy 101 Booklist

Fantasy book recommendations: ranked reading list of 101 epic fantasy books like the ones you love.

OtherOther

Outdated check299 ms15 / 22
uniwire

Electrical single-line and multi-line diagrams: build, check (NF C 15-100, IEC 60364), draw, PDF.

Developer ToolsCode & DevOps

Responded301 ms15 / 22
Nausika

Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.

Developer ToolsCode & DevOps

Outdated check303 ms15 / 22
Average Electric Bill

Is a U.S. electric bill normal? Compare kWh and rates with similar homes, by state and utility.

OtherOther

Outdated check304 ms15 / 22
Padel Expert Lab

Padel racket comparator for France and Belgium, in French: search, brand specs, profile-based picks.

OtherData access / search

Outdated check307 ms15 / 22
HOTKER 핫커 | 한국 상품·휴대폰 성지 구매가 AI

한국 상품·휴대폰 검증 조건 검색과 총비용·약정 반환금·결합할인 참고 계산. 출처·누락 조건을 제공하는 무인증·읽기 전용 MCP입니다.

Developer ToolsCode & DevOps

Outdated check308 ms15 / 22
Vadivam Icons

Search 24px outline icons by name, tag, or category and get SVG or framework code.

Developer ToolsCode & DevOps

Responded309 ms15 / 22
NebenkostenPro

German utility costs (Nebenkosten): city data, property tax, housing benefit, deadlines, bill check

Real Estate & PropertyData access / search

Outdated check310 ms15 / 22
Lodestar Stamp

Lodestar issues signed, dated business records. Reads are free.

Developer ToolsCode & DevOps

Outdated check311 ms15 / 22
VoiceLogPro

Construction daily-log generation, jurisdiction compliance requirements, construction FAQs.

LegalCode & DevOps

Responded312 ms15 / 22
IMBA Agent Docs

Read-only IMBA Agent API docs MCP. No register, deposit, buy, or withdraw.

Developer ToolsCode & DevOps

Outdated check314 ms15 / 22
UK Statutory Sick Pay and Maternity Pay

UK Statutory Sick Pay (April 2026 rules), Maternity Pay and National Living Wage from gov.uk.

GovernmentCode & DevOps

Responded318 ms15 / 22
Rein Agent Risk Scale

Agent Risk Rating, A–D (NR = not rated): self-declared and unverified; not a credit rating.

Developer ToolsCode & DevOps

Responded318 ms15 / 22
Email Deliverability Checker

Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.

ProductivityCommunication & messaging

Responded318 ms15 / 22
Wealthville

Solana + EVM liquidity-pool scores: Enter/Hold/Exit verdicts and 0-100 Wealthville Score.

Finance & CryptoPayments & trading

Outdated check319 ms15 / 22
AgentBuffs

Find MCP servers and agent skills for a job, ranked, with install config for your client.

Developer ToolsCode & DevOps

Outdated check319 ms15 / 22
Index Agentica

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

Developer ToolsData access / search

Outdated check320 ms15 / 22

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