Andrey Markin
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Mark Life Ltd

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Meet

Mark Life Ltd

BG208147965

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Products

Tools I build and use every day. Free and open source.

Peektrace
Peektrace
CLIBeta

Peektrace

See exactly what is loaded in your coding agent's context window.

CLICoding AgentsLocal-firstEffect-TSTypeScript
Free & open sourceView Product
Agent Skills
Agent Skills
Agent SkillsLive

Agent Skills

Agent skills that teach Claude Code and Codex how I work.

Claude CodeCodexAgent SkillsDeveloper Tools
Free & open sourceView Product
SEO Lens
SEO Lens
Browser ExtensionLive

SEO Lens

See every meta tag on a page, and fix the structured data that decides how you show up.

Chrome ExtensionSEOTypeScriptEffect-TS
Free & open sourceView Product

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