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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1467 servers

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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
PodPitch

Find relevant podcasts without an account. Connect PodPitch for private campaigns and outreach.

Marketing & SalesCode & DevOps

Outdated check611 ms13 / 22
Finder: find local tradespeople

Find connected local tradespeople and service companies by town, with a prefilled request link.

Marketing & SalesData access / search

Outdated check619 ms13 / 22
Chicago Demolition Leads | Salvage Signal

Chicago demolition and reclaimed-brick leads, pricing, and a human-confirmed Daily Drop handoff.

Marketing & SalesData access / search

Outdated check628 ms13 / 22
Vektro

Specialist workflows for marketing, web, content and automation. Paid account; OAuth required.

Marketing & SalesAutomation & workflows

Outdated check639 ms13 / 22
Corpus Plan

Free SEO/GEO audits of public websites and AI answer-engine citation checks. No login or API key.

Marketing & SalesKnowledge & memory

Outdated check646 ms13 / 22
Pantheon

Meta ads library, competitor ads, brand voice, avatars and offer briefs from your Pantheon account.

Marketing & SalesData access / search

Responded655 ms13 / 22
GrowVib: Social Media Growth

Discover, compare and buy social media growth (Instagram, TikTok, YouTube, Telegram, X); x402 ready

Marketing & SalesCommunication & messaging

Outdated check674 ms13 / 22
cc.bestaffiliateprograms/directory

Search 4,825 affiliate programs by commission, cookie window and network, with source confidence.

Marketing & SalesData access / search

Outdated check692 ms13 / 22
Onsa

Find scored B2B leads, read campaign replies and send approved LinkedIn outreach.

Marketing & SalesData access / search

Responded711 ms13 / 22
BestSaaSWebDesigns

Search 400+ real SaaS marketing websites by category, section, style, stack, palette and font.

Marketing & SalesData access / search

Outdated check725 ms13 / 22
Submit.co

Where to launch a startup: researched directories, launch platforms, newsletters and press.

Marketing & SalesData access / search

Outdated check747 ms13 / 22
ai.rocketsloth/rocketsloth

Website monetization for AI agents: apply, integrate ads, reporting, and payouts — all over MCP.

Marketing & SalesData access / search

Outdated check761 ms13 / 22
io.github.wilzer/aidelly

Agent-operated social media for agencies — www.aidelly.ai. Post, approve, analyze on 11 networks.

Marketing & SalesCode & DevOps

Responded781 ms13 / 22
Suara

Social media posts for small businesses from their own photos. Owner approves every post.

Marketing & SalesData access / search

Outdated check807 ms13 / 22
Clipping Alpha

Find the most profitable clipping and UGC campaigns. Every major board, ranked by the Alpha Score.

Marketing & SalesData access / search

Outdated check839 ms13 / 22
Trakis SEO checks

66 technical SEO and AI-readiness checks: what each looks at, why it matters, how to fix it

Marketing & SalesData access / search

Outdated check891 ms13 / 22
Marketing Skills Directory

Search, browse & read 340+ Claude Code marketing & SEO skills from any MCP client.

Marketing & SalesData access / search

Responded918 ms13 / 22
BidSurvivor

An advertising board sold by live auction: two twelve-hour slots a day, first claim free.

Marketing & SalesData access / search

Outdated check925 ms13 / 22
Mode VC Chart: Best LLM for Coding: The Arena Coding Leaderboard

claude-opus-4-6-high leads Arena coding at 1535. Anthropic has held #1 for 280 days, but Z.ai.

Marketing & SalesAI / LLM tooling

Outdated check994 ms13 / 22
MarketPilot

Korean SMB marketing: browse, pay by card link, track orders. No login to start; OAuth to link.

Marketing & SalesData access / search

Outdated check1011 ms13 / 22
Triremes

Search real problems people have and business websites with poor SEO/AEO. Read-only, free.

Marketing & SalesData access / search

Outdated check1125 ms13 / 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

Outdated check1199 ms13 / 22
GrowthVector

Free SEO, GEO, ads, and email marketing knowledge base: search guides, pages, glossary, and prompts.

Marketing & SalesKnowledge & memory

Outdated check1387 ms13 / 22
io.github.Samrajtheailyceum/advertising-protocols

Query 70+ ad tech protocols — OpenRTB, VAST, AdCP, AAMP, TCF, GPP — with citations.

Marketing & SalesCode & DevOps

Outdated check1478 ms13 / 22

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