Sitefire is a marketing suite for the agentic web, helping brands improve their visibility to AI agents such as ChatGPT. The platform analyzes AI-generated answers to identify which content performs well, then recommends specific actions and automatically creates AI-optimized blog posts for publication. It targets the emerging discipline of optimizing brand presence in AI-driven search and answers. Sitefire was founded in 2025 and is a Y Combinator Winter 2026 company based in San Francisco.
Sitefire
ActiveMarketing suite for the agentic web
Total raised
$500K
1 round
Stage
Seed
Jan 2026
Team
1-10
since 2026
Pricing
—
Founded
2026
San Francisco, United States
Agent-ready
—
Analysis of AI-generated answers to surface which content is cited or surfaced by assistants like ChatGPT
Brand visibility tracking across AI-driven search and answer engines
Actionable recommendations for improving presence in AI answers
Automated generation of AI-optimized blog posts ready for publication
Content gap identification based on how AI systems respond to brand-relevant prompts
Monitoring of how brand mentions evolve in AI outputs over time
Marketing suite oriented toward the emerging discipline of AI answer optimization (AEO/GEO)
Workflow that combines measurement, recommendation, and content creation in one platform
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2026 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
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- What problem does Sitefire solve?
- It helps brands become more visible to AI agents and answer engines like ChatGPT by analyzing AI responses, recommending improvements, and automatically generating AI-optimized content.
- How is this different from traditional SEO?
- Traditional SEO targets ranking in search engine result pages, while Sitefire focuses on how AI assistants cite and recommend brands in generated answers, an emerging area often called AEO or GEO.
- Does Sitefire create content automatically?
- Yes, it auto-generates AI-optimized blog posts for publication, alongside its analysis and recommendation features.
- Who is Sitefire built for?
- It is aimed at brands and marketing teams that want to improve their presence in AI-driven search and answers.
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