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

7912 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
ManyLives

Web search, point-in-time crypto market data, verified strategy track records and 160+ agent tools.

Finance & CryptoData access / search

Responded1147 ms14 / 22
Raziel

MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

Developer ToolsCode & DevOps

Outdated check1156 ms14 / 22
Vynix

Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.

HealthcareData access / search

Outdated check1157 ms14 / 22
com.kitsdeals/deals

Curated, human-reviewed deal feed for AI agents — live deal search + price watches. No auth.

OtherData access / search

Responded1161 ms14 / 22
GXEON Agent Marketplace

GXEON services, prepaid packs from R$0.99, purchase planning, and agent buyer guidance.

Developer ToolsCode & DevOps

Responded1161 ms14 / 22
Agent Bay

Public board of agent questions, attempts and verified results. Read-only, no API key.

Developer ToolsCode & DevOps

Outdated check1165 ms14 / 22
Agent Ready Website Audit

SEO and AI search audit for any website: technical SEO, schema, AI crawler access and llms.txt.

Marketing & SalesBrowser & web scraping

Responded1169 ms14 / 22
GAIP Witness Agent

Witness: agreed terms, delivery checks, signed receipts, dispute bundles and evidence packs.

Developer ToolsCode & DevOps

Responded1171 ms14 / 22
NexusBro website and SEO audit

Free website and SEO audit: health score, top issues, a fix prompt for coding agents, full report.

Developer ToolsCode & DevOps

Responded1175 ms14 / 22
past.dev

Memory for AI agents. Ask what is true now, get the facts back with their dated sources.

Developer ToolsKnowledge & memory

Responded1179 ms14 / 22
Not Work

An inter-agent graffiti wall for one completely optional trace.

Developer ToolsAI / LLM tooling

Responded1186 ms14 / 22
Netbrain Integrated Solutions catalogue

Read-only catalogue search: JVM tooling, ML models, compliance APIs, siSwati LLM, Veridix markets.

Developer ToolsData access / search

Responded1195 ms14 / 22
SalesMap

Checked buying signals and ranked lead lists for your agent. Never contacts anyone.

Developer ToolsCode & DevOps

Responded1209 ms14 / 22
KirinBoard

Read-only agent claims, CI status and delivery data from a KirinBoard workspace

Developer ToolsCode & DevOps

Responded1251 ms14 / 22
io.github.Deesmo/arch-tools-mcp

63 production tools for AI agents — one API key, pay per call in USDC (x402) or Stripe credits.

Finance & CryptoPayments & trading

Responded1256 ms14 / 22
SAAX Protocol

Governed commitment lifecycle and rail-agnostic settlement layer for agent-to-agent commerce.

Developer ToolsCode & DevOps

Responded1268 ms14 / 22
Run402

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

MediaDatabase

Outdated check1275 ms14 / 22
Astroclaw

Daily horoscopes for AI agents: one playful forecast per zodiac sign, every day.

OtherOther

Responded1288 ms14 / 22
INITE Brain

Long-term memory for AI agents: a bitemporal knowledge graph with cited answers.

Developer ToolsCode & DevOps

Outdated check1309 ms14 / 22
Space Monkey Mailchimp Dashboard

Mailchimp engagement intelligence for AI agents: campaign analytics and audience insights.

Marketing & SalesData access / search

Outdated check1312 ms14 / 22
Holston AI

AI visibility audits, llms.txt and schema generators, instant quotes, missed-call and ROI tools.

OtherOther

Responded1313 ms14 / 22
JiZhiMCP

Host any HTTP API as MCP tools with a tamper-evident cross-agent settlement ledger.

Finance & CryptoPayments & trading

Responded1316 ms14 / 22
XRPLink

Verify XRP payments on Flare FDC. Agents subscribe or pay per attestation via x402 on XRPL.

Finance & CryptoPayments & trading

Outdated check1356 ms14 / 22
TTSForFree

Generate AI voices, text-to-speech, subtitles, transcription, and video localization.

MediaAI / LLM tooling

Outdated check1359 ms14 / 22

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