head to head/AI Coding Assistants

402registry vs Markagent

Neck and neck on boosts. Profiles, pricing and deals below.

402registry

does an AI agent actually see your site?

community boosts

⚡ 0

pricing

Paid

what it is

Pay-per-check discoverability audit: $2 to see what an AI crawler actually sees on your site — GPTBot, ClaudeBot, PerplexityBot, OAI-SearchBot, not a browser render. A passing check earns a dated badge and a registry listing. No account, no card, no human.

Markagent

UI/Web Feedback Annotator for AI Agents

community boosts

⚡ 0

pricing

Freemium

what it is

Vibe coding UI & design feedback for AI agents. Annotate webpages, capture screenshots, leave notes, record user journeys & export agent prompts for Claude Code, Cursor, Codex, OpenCode, Antigravity.