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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440 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
Scrapingdog

Scrapingdog MCP — wraps Scrapingdog (scrapingdog.com), a proxy-based web scraping API with…

Developer ToolsBrowser & web scraping

Outdated check275 ms13 / 22
Scrapingant

ScrapingAnt MCP — wraps the ScrapingAnt web scraping API (scrapingant.com)

Developer ToolsBrowser & web scraping

Outdated check911 ms13 / 22
Firecrawl

Firecrawl MCP — wraps the Firecrawl API (firecrawl.dev) for web scraping / crawling / search…

Developer ToolsBrowser & web scraping

Responded6137 ms13 / 22
Commoncrawl

Common Crawl's public web archive — find every time a URL was crawled since 2008 and read the…

Developer ToolsBrowser & web scraping

Responded146 ms13 / 22
Crawlgraph

CrawlGraph MCP — backlink intelligence on the public Common Crawl webgraph (4.4B edges, 120M…

Developer ToolsBrowser & web scraping

Responded152 ms13 / 22
Crawler Log Triage

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded39 ms12 / 22
Rat Radar

Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key.

OtherBrowser & web scraping

Responded54 ms12 / 22
Storefront Check

Audit any storefront from outside: ad tags, dead-tag detection, AI crawler access, feed readiness.

E-commerceBrowser & web scraping

Responded55 ms12 / 22
Growthr SEO + GEO MCP

SEO + GEO tools in your AI editor: scan as ChatGPT and Google crawlers see it, fix order, llms.txt.

Marketing & SalesBrowser & web scraping

Outdated check57 ms12 / 22
Setu.Anantasutra: Agent Tools API

Pay-per-call (x402) tools: Indian ID checks, AI-visibility audits, AI crawler and llms.txt checks

Developer ToolsBrowser & web scraping

Responded58 ms12 / 22
AEO Auditor — AI Search & Agent Readiness Engine

Live AEO, GEO, JSON-LD Schema, robots.txt AI crawler, and Agent Readiness diagnostic auditor.

Developer ToolsBrowser & web scraping

Outdated check61 ms12 / 22
oassis — web scraping, crawling and browser control for AI agents

Web Tools and Web Tasks for AI agents. 100-credit MCP trial; API-key credits or x402.

Finance & CryptoBrowser & web scraping

Responded73 ms12 / 22
com.momenticmarketing/momentic

Free SEO, GEO, and AEO audits: analyze any page or domain, AI-crawler access, agent readiness.

Marketing & SalesBrowser & web scraping

Responded74 ms12 / 22
Crawler IP Verifier - real Googlebot or fake

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded81 ms12 / 22
iPadian

Create and preview self-contained web apps in iPhone, Duo, iPad, and Headless views.

OtherBrowser & web scraping

Responded106 ms12 / 22
AI Crawler Index

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

OtherBrowser & web scraping

Responded173 ms12 / 22
com.toolsthatrank/serp-metrics

Impression-weighted SERP position, click projection on your own CTR curve, share of voice

Data & AnalyticsBrowser & web scraping

Responded191 ms12 / 22
io.alterlab/mcp-server

Web scraping MCP server — scrape, extract structured data, screenshot any site with anti-bot bypass.

Developer ToolsBrowser & web scraping

Responded259 ms12 / 22
com.jojapi/instagram-scraper

Instagram Scraper: 🔥 Get a lot of information from Instagram consistently and quickly!.

OtherBrowser & web scraping

Responded266 ms12 / 22
io.github.meltingpixelsai/zero-core-tools

Web scraping, code review, content gen, sentiment. Zero Core Tools.

Developer ToolsBrowser & web scraping

Responded309 ms12 / 22
io.github.robertoyanguas-ops/llms-generator-mcp

Crawls any website and generates a standards-compliant /llms.txt file and JSON-LD schema bundle.

Developer ToolsBrowser & web scraping

Responded420 ms12 / 22
Site Check

Public website health scan, AI-crawler and structured-data readiness, and a local presence score.

OtherBrowser & web scraping

Responded438 ms12 / 22
AI Crawler Access Check

Can GPTBot, ClaudeBot and PerplexityBot reach a site? Real fetch per crawler, firewall/CDN blocks.

Developer ToolsBrowser & web scraping

Responded460 ms12 / 22
com.scraptik/tiktok

Unofficial TikTok API & scraper: creator analytics, video data, comments, search. x402, no API key.

MediaBrowser & web scraping

Responded506 ms12 / 22

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