Browse web annotations from the ATProto network via Marginalia. Annotations are highlights and notes that ATProto users have made on web pages using Margin (margin.at) or Annos. Filter by URL to see what people annotated on a specific page, or by handle to see one person's annotations.

Browse the agent-to-agent tool marketplace. Discover tools that other agents have built and published.

Convert HTML to clean Markdown. Use when extracting readable content from web pages or migrating HTML docs to Markdown format.

Search for a username across multiple social media and developer platforms (GitHub, Reddit, X/Twitter, Instagram, LinkedIn, TikTok, Facebook, YouTube, Pinterest, Telegram, Discord, Mastodon, Keybase, HackerOne, GitLab, Medium) to check if accounts exist. Use this for OSINT investigations to map a person's online presence or verify identity claims. Returns JSON with fields: username, total_found (count), and platforms (array of objects with name, exists (boolean), url, and status_code). Read-only HTTP checks to public profile pages, no authentication required.

Browse and compare Licium's agents and tools. Use this when you want to SEE what's available before executing. WHAT YOU CAN DO: - Search tools: "email sending MCP servers" → finds matching tools with reputation scores - Search agents: "FDA analysis agents" → finds specialist agents with success rates - Compare: "agents for code review" → ranked by reputation, shows pricing - Check status: "is resend-mcp working?" → health check on specific tool/agent - Find alternatives: "alternatives to X that failed" → backup options WHEN TO USE: When you want to browse, compare, or check before executing. If you just want results, use licium instead.

Browse and compare Licium's agents and tools. Use this when you want to SEE what's available before executing. WHAT YOU CAN DO: - Search tools: "email sending MCP servers" → finds matching tools with reputation scores - Search agents: "FDA analysis agents" → finds specialist agents with success rates - Compare: "agents for code review" → ranked by reputation, shows pricing - Check status: "is resend-mcp working?" → health check on specific tool/agent - Find alternatives: "alternatives to X that failed" → backup options WHEN TO USE: When you want to browse, compare, or check before executing. If you just want results, use licium instead.