"Supabase (open source Firebase alternative)" matching MCP connectors:

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

xmagnet — AI-powered B2B CRM for Claude. 35 tools that turn natural-language prompts into real CRM actions: prospect, enrich, score leads, manage deals, scan buying intent, run email campaigns and sequences, build forms and landing pages, refine ICP, and analyze performance — all directly inside Claude. 🚀 ONE-CLICK INSTALL: https://api.xmagnet.ai/claude The install page guides Claude users through 3 steps in under a minute: open Claude Connectors, paste the connector name, paste the server URL, sign in. A reviewer workspace is auto-provisioned on first sign-in with sample contacts, deals, campaigns, and ICP suggestions, so every tool works end-to-end with zero setup. No 2FA. No paid plan required. Free tier exposes all 35 tools. What you can do: • Prospecting — search_contacts, search_companies, search_investors, find_contacts_at_companies, enrich_contact, validate_email, find_competitors, company_intelligence • Pipeline — get_deals_pipeline, scan_deal_intent, get_ghost_pipeline, create_deal • Campaigns & sequences — create_campaign, generate_campaign_content, get_campaign_stats, get_bounce_stats, get_unsub_stats, create_sequence_draft, list_sequences • Top of funnel — suggest_icp, get_icp, create_form, list_forms, create_landing_page, list_landing_pages, show_suggestions • Operations — analyze_contacts, get_contact_details, update_contact, save_contacts_to_crm, export_contacts, get_dashboard_stats, get_credit_balance Example prompts to try: • "Find C-suite contacts at fintech companies that raised Series A in the last 6 months." • "Scan my open deals for buying intent and prioritize follow-ups." • "Generate a re-engagement campaign for contacts who opened my last newsletter but didn't reply." • "Show me my deals pipeline by stage with weighted value and win rate." • "Generate a landing page for my Q2 webinar with a registration form." Built for founders, SDRs, RevOps, and growth teams who want their CRM to take action — not just store records. Install: https://api.xmagnet.ai/claude · Site: https://xmagnet.ai · Privacy: https://xmagnet.ai/privacy-policy · Terms: https://xmagnet.ai/terms-of-service · Support: ashish.sinha@xmagnet.ai

Generate QR codes; create, edit & track dynamic QR codes with scan analytics. Free, no watermark.

Competitor Meta ads intelligence reports. List plans, create orders, Stripe checkout for humans.

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

Verified Japanese company press releases with provenance (corporate number, source URL) and jobs.

Qualityiris is an Inspection Management System for the apparel industry. This public MCP server lets any AI assistant answer questions about Qualityiris — features, pricing, FAQ — and submit interest on behalf of a prospective user. Tools: about_qualityiris, list_features, list_pricing_plans, get_faq, submit_interest.

Generate QR codes and create, edit & track dynamic (editable) QR codes with scan analytics — over a hosted MCP server plus a free REST API. 13 tools: generate_qr (no key), create/update/list/delete dynamic codes, get_scans, folders and themes. Free, no watermark.

Search and discover affiliate programs with agent-ready data and commission details.

Scan any website for SEO, performance, accessibility, and AI search issues. Returns structured issues with fix prompts you can paste into Claude or Cursor to fix immediately. 40+ checks including Core Web Vitals, Open Graph, structured data, and AI search visibility.

Connect your AI assistant to your Peec AI account to monitor and analyze your brand's visibility across AI search engines like ChatGPT, Perplexity, and Gemini. Ask questions about brand visibility, competitor comparisons, source citations, and trends: all in plain language, directly from your AI tools.

Icypeas is a suite of APIs designed to programmatically source, verify, and enrich professional contact data. It is used by top-tier GTM products (Clay, Instantly, Lemlist, Apollo, etc.) and outbound agencies (GrowthEngineX, C17 Lab, Scalability, Cold.email, etc.).

Reply.io is a sales engagement platform used by thousands of B2B sales teams to automate multichannel outreach — email, LinkedIn, calls, SMS, and WhatsApp. The Reply.io MCP server exposes the platform's core functionality as tools that any MCP-compatible AI model can call directly. The MCP server is hosted by Reply.io and authenticated via API key. No self-hosting or open-source setup is required.

Open-source SEO manager for coding agents: keyword research, content PRs, rank + Search Console.

Turns any URL into SEO/OpenGraph metadata, public contact signals, tech-stack fingerprinting, Schema.org product data, a security-headers audit, and clean AI-ready Markdown, in one call. Anti-SSRF hardened (DNS pinned post-resolution, private/loopback/cloud-metadata ranges blocked). Hosted via RapidAPI's MCP gateway - free tier, 500 requests/month, no credit card. Source: https://github.com/JosejuX/rapidapi-metadata-extractor

VOC OpenAPI gives AI agents authorized review and product data for insights, tagging, and listings.

Turn AI-built work into tracked, gated share links your clients can open.

Free Open Graph image generator API. Create beautiful OG images with customizable themes, icons, and colors. No API keys required.

Email A/B tests for AI agents: subject lines, managed sends, open/click tracking, and results.

Improve your visibility across both traditional search engines and AI-powered answer engines using a virtual computer that can analyse websites, competitors, content, and search performance. SEO & GEO by OpenHelm enables your agent to carry out work such as: • SEO audits and recommendations • GEO (Generative Engine Optimisation) analysis • Competitor monitoring • Content opportunity discovery • Search visibility reporting