Summary
Stage 3e of the Butterbase journey that takes the Functions section from your plan doc and actually builds them. It calls function-dev for each function in sequence, deploys via deploy_function, and smoke tests HTTP/cron endpoints with invoke_function. The nice bit is it checks whether you should be using built-in integrations (email, Slack, payments) before you write custom code. One function at a time, asks for confirmation before each, logs everything to build-log.md. If your plan has no functions, the journey orchestrator skips this stage entirely. The anti-patterns section calling out "must return new Response" tells you this was written after someone got bitten by that.
Install to Claude Code
npx -y skills add butterbase-ai/butterbase-skills --skill journey-functions --agent claude-codeInstalls into .claude/skills of the current project.
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Featured
Connect Claude to +800M contacts, +150M companies. Find & Enrich leads in chat.
Try For Free →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →An agent that runs the SEO playbooks that move rankings and ships PRs you control.
Get founding access →First SeenJun 11, 2026
