Key takeaways
- Broadest optimization surface in the category — covers SEO, GEO, AEO (Answer Engine Optimization), voice assistants, and social media in a single skill
- 33 stars, MIT license, Python. Created November 11, 2025 — the oldest project in the SEO/GEO agent skills category, and still actively maintained with commits through May 24, 2026
- Zero external dependencies — uses Python stdlib only, making it the most portable Python-based tool in the category
- Built by Boris Djordjevic at 199 Biotechnologies — a biotech company, suggesting this was born from internal content marketing needs
FAQ
What is claude-skill-seo-geo-optimizer?
A Claude Code skill by 199 Biotechnologies that optimizes content for SEO, GEO, AEO, voice assistants, and social media. It supports HTML, Markdown, and React/JSX input formats with zero external Python dependencies.
What makes it different from other SEO/GEO tools?
It covers the broadest optimization surface (SEO + GEO + AEO + voice + social) and has zero external dependencies. Most competitors focus on SEO/GEO only and require additional packages.
Why does it have so few stars?
It was created by a biotech company (not a developer tools company) and appears to have been built for internal use before being open-sourced. Lower visibility in developer communities explains the modest adoption, though it grew from 20 to 33 stars between March and June 2026 and was featured in Composio's May 2026 marketing-skills roundup.
Is it still maintained?
Yes. As of June 2026 the repository shows active development, with commits through May 24, 2026 adding IndexNow submission endpoints and a position-bias check, plus a May 2026 documentation pass updating guidance for current AI search behavior.
Overview
claude-skill-seo-geo-optimizer casts the widest net of any tool in the SEO/GEO agent skills category — covering not just SEO and GEO but also AEO (Answer Engine Optimization), voice assistant optimization, and social media optimization in a single skill. Built by Boris Djordjevic at 199 Biotechnologies, it has the feel of an internal tool that was polished enough to open-source.
Key stats: 33 stars, 4 forks, MIT license, Python. Created November 11, 2025; last commit May 24, 2026.
| Attribute | Value |
|---|---|
| Stars | 33 (as of June 2026) |
| Forks | 4 |
| License | MIT |
| Language | Python |
| Created | November 11, 2025 |
| Last commit | May 24, 2026 |
| Author | Boris Djordjevic (199 Biotechnologies) |
| Dependencies | Python stdlib only |
| Input Formats | HTML, Markdown, React/JSX |
| Category | SEO/GEO Agent Skills |
How It Works
The skill operates as a Claude Code plugin that analyzes and optimizes content across multiple channels. Given any content in HTML, Markdown, or React/JSX format, it produces optimization recommendations spanning five domains:
- SEO — traditional search engine optimization (meta tags, headings, keyword density, internal linking)
- GEO — generative engine optimization for AI search citations
- AEO — answer engine optimization for featured snippets and knowledge panels
- Voice — optimization for voice assistants (Alexa, Google Assistant, Siri)
- Social — social media optimization (Open Graph, Twitter Cards, sharing)
Zero Dependencies
The most distinctive technical choice is the zero-dependency approach — the entire tool runs on Python's standard library with no pip installs required. This makes it the most portable Python tool in the category. No virtual environments, no dependency conflicts, no version mismatches. Just Python 3 and Claude Code.
Active Development Through Mid-2026
The "maintenance unclear" question from earlier in this profile's life has been answered: the repository shows steady commits through May 24, 2026. Recent additions include IndexNow URL submission (with Yep, Internet Archive, and Amazonbot endpoints added May 24), a position-bias check that flags TL;DRs, statistics, and credential mentions buried below the top ~30% of a page, entity extraction, schema generation, and audit reports in JSON, Markdown, and HTML formats. A May 23, 2026 documentation pass deliberately stripped unreproduced 2024-era GEO statistics from the guides and replaced them with May 2026 platform context — an unusually honest move for a tool in a hype-prone category.
Multi-Format Support
Supporting HTML, Markdown, and React/JSX input means it works with most web content workflows. The React/JSX support is particularly relevant for Next.js and Gatsby sites where content lives in component files rather than raw HTML.
Optimization Channels
| Channel | What It Covers |
|---|---|
| SEO | Meta tags, headings, keyword density, internal links, technical SEO |
| GEO | AI citation readiness, structured answers, entity optimization |
| AEO | Featured snippet formatting, FAQ schema, direct answer structures |
| Voice | Conversational phrasing, speakable schema, question-answer pairs |
| Social | Open Graph tags, Twitter Cards, share-friendly formatting |
Competitive Position
At 33 stars as of June 2026 (up from 20 in March), claude-skill-seo-geo-optimizer remains a low-adoption tool in the SEO/GEO agent skills comparison — but it covers the broadest optimization surface. The AEO, voice, and social channels are unique in the category; no other tool addresses all five domains. It is free and open-source under MIT; there is no paid tier. Visibility is improving: Composio featured it in its May 28, 2026 roundup of the best marketing skills for Claude, Codex, and OpenClaw, and it is listed on skill directories like agent-skills.cc.
The 199 Biotechnologies origin is interesting context. This wasn't built by a developer tools company or an SEO agency — it came from a biotech company's content marketing needs. That origin may explain both the practical breadth (a real team needed all five channels) and the modest adoption (limited developer community marketing).
Being the oldest project (November 2025) in a category that mostly dates to February-March 2026 gave it a head start, but newer tools with more active communities have lapped it on stars. On maintenance, however, it has outlasted the doubt: it is still shipping features in late May 2026 while much of the category has gone quiet after launch.
What Developers Say
Independent community commentary is thin — no Hacker News or Reddit threads about the skill surfaced as of June 2026. The most quotable third-party assessment comes from Composio's May 2026 marketing-skills roundup:
"This skill is purpose-built for one thing: getting your content cited across every AI platform simultaneously." — Harsh, Composio (May 28, 2026)
That's a listicle endorsement, not battle-tested practitioner feedback; treat adoption signals accordingly.
Strengths
- Broadest optimization surface — SEO + GEO + AEO + voice + social
- Zero dependencies — Python stdlib only, installs everywhere
- Multi-format input — HTML, Markdown, React/JSX all supported
- Production-ready — built from real-world biotech content needs
- Lightweight — minimal footprint compared to multi-subagent tools
Weaknesses
- Low adoption — 33 stars suggests limited community testing
- Claude Code only — no multi-agent support
- No subagent architecture — single-threaded analysis vs parallel subagents elsewhere
- No MCP integration — can't connect to external data sources
- Solo-maintainer risk — active through May 2026, but development rests on one author at a biotech company
Bottom Line
claude-skill-seo-geo-optimizer is the Swiss Army knife of the category — it covers the most optimization channels with the fewest dependencies, and as of June 2026 it is one of the few tools in the category still actively shipping (IndexNow submission, position-bias checks, and a candid May 2026 documentation cleanup). The low star count reflects origin story, not quality.
Recommended for: Teams whose content strategy spans beyond traditional and AI search into voice and social channels, and anyone who values a zero-dependency Python install inside Claude Code.
Not recommended for: Teams wanting multi-agent or MCP-connected workflows, or those who need a tool with a large community behind it.
Outlook: The May 2026 commit activity and honest documentation revisions are good signs, but it remains a single-author side project at a biotech company — durable as long as 199 Biotechnologies keeps doing its own content marketing.