Changelog
Every shippable update, the day it shipped. We build in public, in plain English.
launchv1.0·2026-08-02
Public launch on Product Hunt
- — SideBrain is live for everyone. Free 7-day trial, no card.
- — Solo $9 / Pro $19 / Studio $49 — first-month 50% off launch promo.
- — 16 production skills shipped (8 X + 8 Newsletter), 4 cross-cutting skills.
- — 30-day money-back, no questions.
featurev0.9.0·2026-07-26
Open beta — affiliate program live
- — 30%-recurring affiliate program with auto-generated links.
- — Trial-end emails fire 3, 1, 0 days before expiry.
- — New onboarding wizard cuts time-to-first-thread to 4 minutes (was 11).
featurev0.8.0·2026-07-12
Newsletter side hustle complete
- — 8 newsletter skills shipped: topic mining, long-form draft, subject lines, hook, welcome sequence, CTA, cross-promo, weekly digest.
- — RSS ingest for Substack, Beehiiv, and Ghost archives.
- — Weekly digest email now includes per-skill performance numbers.
featurev0.7.0·2026-06-28
X side hustle complete
- — 8 X skills shipped: topic mining, thread x5 styles, reply, quote-tweet, bio, lead magnet, time-to-post, image prompt.
- — X OAuth read-only. We never auto-post — by design.
- — Best-time-to-post is heuristic in v1; data-driven version in v1.1.
featurev0.6.0·2026-06-14
Agent runtime + first end-to-end thread
- — Mastra + AI SDK 5 on Vercel Functions. SSE streaming.
- — LLM router with Claude / GPT-4o-mini / DeepSeek tiers + automatic fallback.
- — Memory backend on pgvector — 3-table episodic / semantic / skill memory.
featurev0.5.0·2026-05-31
Billing + 7-day trial
- — Stripe Subscriptions in 3 tiers, Stripe Meters API for `agent_steps`.
- — Plan quotas + `withUsage()` wrapper enforces limits at the edge.
- — Customer Portal for self-serve cancel and plan change.
featurev0.4.0·2026-05-17
Foundation — auth + multi-tenant
- — Better Auth with email/password, magic link, Google, GitHub, X.
- — Multi-tenant guard at the Drizzle layer — every business query is workspace-scoped.
- — Resend transactional emails for verify, magic, welcome.
launchv0.1.0·2026-05-10
Project pivoted, repo born
- — Pivoted from China-only Xiaohongshu/WeChat plan to global English creator economy.
- — Stack locked: Next.js 15 + Vercel + Neon + Drizzle + Mastra + AI SDK 5.
- — 12-week plan to Product Hunt launch.