Akii: SEO & AI Search Optimizer vs. Semrush

Akii: SEO & AI Search Optimizer is a free, open-source plugin for Claude Code. It helps site owners, developers and content teams improve how websites are found in search and AI answers. Use it to audit sites, find broken links, compare competitors, improve pages, generate JSON-LD structured data, strengthen internal links and plan content. It also supports content briefs, keyword clusters, llms.txt files and localization. The plugin includes 12 skills, five agents and three commands. It runs inside your Claude Code session and can use optional connected services for additional data.

Semrush, an Adobe Company, is the leading brand visibility platform, empowering marketers to command their online presence and create measurable impact. Built on the industry’s most expansive proprietary dataset, Semrush delivers AI-driven insights across SEO, Agentic Search Optimization, content marketing, paid media, and social strategy. Used by over 28 million users globally – from scaling startups to the Fortune 500 – Semrush provides the competitive intelligence needed to win visibility in an evolving digital landscape.