"Slack" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Extracts verified emails, social links, 40+ tech stack signals, pricing tiers, and company summar.
Facts on official MCP servers for GTM and sales tools: endpoint, auth, read or write access, credits and plan, each with its vendor source and check date, plus workflow recipes. No sign-in.
SEO MCP server for link previews: your coding agent checks how a page or a whole site looks when shared on X, LinkedIn, Facebook, Telegram, WhatsApp and Slack, and gets the og: and twitter: tags to fix. Free, no account.
See how often any e-commerce brand sends marketing emails: counts, send dates and recent subject lines for 750+ brands, mostly in the Nordics and Germany. Read-only, no login.
Check link previews (Open Graph, Twitter cards) on X, LinkedIn, Slack; OG images per page.
LinkedIn, Slack and GitHub profile photo specs, headshot style guides and a free headshot audit.
Scores whether ChatGPT and other AI assistants can read, understand and quote a public website. Free tools need no account: audit_site scores a site out of 100, compare_sites puts up to four sites side by side, check_llms_txt checks the llms.txt map. OperStack Watch subscribers who add their key also get their weekly report. Setup: https://oper-stack.com/mcp/
Plan, draft, schedule and publish social posts grounded in a stored Website Brain — the product context Cadencz builds by reading your site once, so drafts start from what you actually built instead of a prompt. 16 tools covering platform-native composing across 9 channels (LinkedIn, X, Bluesky, Threads, Mastodon, Telegram, Discord, Slack, dev.to), weekly planning, scheduling and analytics. Nothing publishes without human approval.
129 pay-per-call agent tools: security, threat intelligence, web search and SEO data tools. x402
Audit a business website for observed crawl and indexing issues with source-linked fixes.
Can AI confidently recommend your business? The AI Recommendation Readiness Audit shows whether your
Website tech stack, SEO issues, robots.txt AI-bot rules, sitemap and llms.txt in one call.
Tech stack, WHOIS, DNS, SSL, hosting and SEO checks for lists of domains.
Detect a website's CMS, analytics, chat, payments and ad pixels, with evidence and tracking IDs.
