cyrus tech stack
The Claude Code background agent for Linear, Slack, Github, GitLab etc. you deploy anywhere. Supports Codex, Cursor, Gemini, and Opencode harnesses too.
Foundation
In its code: expresssource · Sep 2026 ↗
In its code: fastifysource · Sep 2026 ↗
On its website: HTTP: atcyrus.com responds with x-nextjs-prerender; HTTP: www.atcyrus.com responds with x-nextjs-prerender source · Oct 2026 ↗
On its website: DNS: resend._domainkey.atcyrus.com TXT (record present); DNS: send.atcyrus.com MX feedback-smtp.us-east-1.amazonses.com source · Oct 2026 ↗
AI in the product
In its code: @anthropic-ai/sdksource · Sep 2026 ↗
In its code: openaisource · Sep 2026 ↗
In its code: @anthropic-ai/claude-agent-sdksource · Sep 2026 ↗
Shipping
In its code: @sentry/nodesource · Sep 2026 ↗
Other tools
Other
On its website: HTTP: atcyrus.com responds with x-vercel-id; HTTP: www.atcyrus.com responds with x-vercel-id source · Oct 2026 ↗
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