"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
npm package trends and weekly downloads over time. Free key at trendsmcp.ai
290+ quality-scored API capabilities for AI agents across 27 countries via MCP.
DMARC monitoring and report analysis with SPF/DKIM diagnostics. Connect your Suped account to inspect monitored domains, email authentication issues, DMARC records and original report XML. Add domains for monitoring and create client organizations as an authorized MSP administrator. Access follows your Suped permissions. Adding a domain does not change DNS records; tools cannot resolve or dismiss issues.
Manage digital signage screens: health, content, casts, emergency messages, proof of play.
Passive website security checks, credit balance, card top-up links and published app status.
Web and revenue analytics: traffic, goals, funnels, journeys and revenue by source. OAuth sign-in.
Manage uptime monitors, incidents and status pages from any MCP client.
Load testing and synthetic monitoring platform: test with Playwright, Browser Bot, or Protocol Bots.
Uptime monitoring for developers — monitors, incidents, heartbeats, maintenance, status pages
Website monitoring: uptime, checkout, SEO (Search Console, Bing), security, speed, DNS, compliance.
AI search visibility: where ChatGPT, Perplexity, Gemini and Google AI cite you. OAuth sign-in.
Read-only outage intelligence: live service status, report history, geography and spikes
Vigilia watches your live app, explains every problem in plain language and writes the fix prompt. Your AI fixes it; Vigilia confirms with real traffic. Vigilia watches web apps that are live with real users, including apps built with Lovable, Bolt, v0, Cursor and Claude Code. It catches errors, failed requests and downtime, explains each problem in plain language, and writes a fix prompt for it. Connect Vigilia to Claude and ask what's broken. Claude lists your open incidents worst first. For each one it reads the plain-language diagnosis, who it affects, the technical evidence (error, page, failing request, stack frames and what the visitor did right before) and Vigilia's fix prompt. In Claude Code or another coding agent, Claude can then fix the cause in your own codebase. Once you've deployed, it marks the incident fixed, and Vigilia watches real traffic to confirm the error stayed away. If it comes back, the incident reopens as a regression. You can also ask how an app is doing (uptime, open incidents, today's traffic), get the exact install snippet for a new project, and check that a live site is running Vigilia. Vigilia never reads or changes your code: the fixing happens in your session, by your AI, in front of you. The only tool that changes anything is marking an incident fixed (the install check just records its result on the app), and you can connect with read-only access. Your data is stored in the EU. Emails, tokens and card numbers are stripped from what visitors' browsers send, and only that scrubbed error context is sent to Anthropic to write the diagnosis. Requires a Vigilia account. The free plan covers one app; reporting backend errors (Supabase, Next.js routes, Workers) is part of Pro.
Free SEO & AI-search (AEO) audits for any site or Shopify store, with emailed weekly score reports.
Read-only server insight: why a Linux server or K8s cluster is slow, failing or changed.
Follow live feeds from Twitter/X, Telegram, press releases, SEC filings and more; publish your own.
Enforce AI agent API permissions, approvals and safe retries. Check the setup and audit every call.
Mador checks whether AI assistants name your business. Read-only tools for your Mador account: results, competitors named, questions measured, pages and to-dos.
fivebar’s MCP server lets Claude, ChatGPT, Cursor and other MCP clients read your cookieless, privacy-friendly web analytics and explain what changed, where traffic and signups came from, and which pages are slow. It can also install and verify the tracking tag from your coding agent, and connects with OAuth, read-only by default, with no API key needed.
Read your Condux issues, events and stack traces (deminified with source maps). Triage optional.