MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18366 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
au.com.nempulse/nempulse

Australian NEM battery (BESS) data for AI agents: revenue, dispatch, FCAS, events. Free, no auth.

Developer ToolsCode & DevOps

Responded1589 ms15 / 22
squirrelscan

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

Developer ToolsCode & DevOps

Outdated check1607 ms15 / 22
The Builder's Prompt Library

Search 3,323 graded AI prompts for software builders; fetch any prompt by slug. No key needed.

Developer ToolsCode & DevOps

Outdated check1636 ms15 / 22
PowPow

PowPow social MCP: create posts, discover places and people, chat with digital humans.

Developer ToolsCode & DevOps

Outdated check1657 ms15 / 22
AgentPay — trust routing + spend caps for x402 agents

Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools.

Developer ToolsCode & DevOps

Responded1663 ms15 / 22
Oxaide — Singapore company research for AI agents

Agent-buys cited Singapore company research: ACRA/URA/GeBIZ packs, S$49/390/1500 per job.

Developer ToolsCode & DevOps

Outdated check1685 ms15 / 22
Slim Chance

Honest weight trend and the chance it's really moving, from dated morning weights. Nothing stored.

Developer ToolsCode & DevOps

Responded1690 ms15 / 22
Regulane compliance check

Check code against secure-coding rules mapped to ISO 27001 and the DPDP Act. Free, no account.

Developer ToolsCode & DevOps

Outdated check1744 ms15 / 22
VibeKit

Build, deploy, and operate hosted web apps on VibeKit (vibekit.bot) from any MCP client.

Developer ToolsCode & DevOps

Responded1811 ms15 / 22
Kleap

Build, edit, publish, and manage websites and web apps with Kleap hosting, domains, and analytics.

Developer ToolsCode & DevOps

Outdated check1814 ms15 / 22
Stunt Double

Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.

Developer ToolsCode & DevOps

Responded1836 ms15 / 22
The Profound Agency

Search, price and order press placements across 1,600+ publications. Free AI-visibility audits too.

Developer ToolsCode & DevOps

Outdated check1852 ms15 / 22
io.github.shashwatgtm/impact-mcp

IMPACT: 8 B2B positioning and messaging tools by Helix GTM Consulting

Developer ToolsCommunication & messaging

Responded1888 ms15 / 22
io.github.shashwatgtm/craft-content-mcp

CRAFT Content: 8 B2B content tools by Helix GTM Consulting

Developer ToolsCode & DevOps

Responded1900 ms15 / 22
io.github.shashwatgtm/craft-gtm-mcp

CRAFT GTM: 8 go to market strategy tools by Helix GTM Consulting

Developer ToolsCode & DevOps

Responded1948 ms15 / 22
io.github.damiancolo/banco-de-ideas-mcp

Read, publish and explore creative bisociations between concepts on unbancodeideas.com.

Developer ToolsCode & DevOps

Responded2021 ms15 / 22
attest — verification for AI agent artifacts

Verify artifacts produced by AI agents: schema, emptiness, provenance, authority.

Developer ToolsCode & DevOps

Outdated check2047 ms15 / 22
mcpcost

Health and token cost of every remote MCP registry server, probed daily. Look up, search, or probe.

Developer ToolsData access / search

Outdated check2112 ms15 / 22
Moatlight

Measure AI search visibility: start reports, read results and the ranked plan.

Developer ToolsData access / search

Outdated check2117 ms15 / 22
LAYIQ Jobs

Find public job listings and explore roles from LAYIQ. Read-only; no account or login needed.

Developer ToolsCode & DevOps

Responded2128 ms15 / 22
Noonlaunch

Launch a product on Noonlaunch, search its directory and weekly winners, and find 333 launch sites.

Developer ToolsData access / search

Outdated check2157 ms15 / 22
io.github.wygogogo19/robotbase-dev

Agent MCP: 18 tools — GitHub/HF/npm/PyPI/HN trends plus 17 web tools for coding agents.

Developer ToolsCode & DevOps

Responded2299 ms15 / 22
Ainovaq

Ainovaq AI venture studio: list services, get service details, search the blog, contact info.

Developer ToolsData access / search

Outdated check2327 ms15 / 22
MkSaaS Docs

Search published MkSaaS documentation. Read-only and public.

Developer ToolsFile & docs

Outdated check2350 ms15 / 22

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