Aviationstack ◆
Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data.

Markloop (Developer Tools): Markloop is a web app that simplifies reviewing HTML docs and artifacts your AI agent writes, with native MCP integration. Pricing: from $0/mo. (data verified August 2026)
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Markloop is a web app for reviewing the HTML documents and artifacts your coding agent (like Claude Code or Codex) writes. It lets you share these docs with your team, collect comments directly on the content, and pull that feedback back to your agent via MCP—all without leaving the terminal.
When your AI agent generates specs, reports, or technical docs, feedback often gets scattered across email, Slack, or screenshots, losing structure and context. Markloop centralizes comments on the actual HTML file, so feedback is anchored to the specific line it's about, and you don't have to manually translate comments back into prompts for your agent.
It’s for developers and teams who use coding agents to produce HTML documents and need efficient human review. It's not for live websites or shipped applications—only for static HTML artifacts.
Use Markloop to get feedback on an integration design doc produced by Claude Code, share a read-only link with stakeholders for approval, or have your agent pull comments and iterate on a new version—all while keeping the workflow in your terminal.
Editorial score from our review methodology — not user ratings.
Markloop pricing: from $0/mo.
Start your 14-day free trial. No credit card required, cancel anytime.
After trial, continue with a free plan (starting at $0/mo) that includes basic features like one project and comment collection.
For more projects, advanced collaboration, or MCP features, a paid plan is available. Exact pricing is not published; check the website for details after trial.