MeatBags Companion is an open-source portfolio tracker for holders of the MeatBags Solana NFT collection. Built for the community, source on GitHub.
Approach
- On-chain mint-transaction tracing via Helius DAS API for trust-minimised loyalty multipliers.
- Multi-wallet with NFT deduplication.
- 37 auto-detected achievement badges on the Loserboard.
- Server-side API proxies for Helius and MagicEden.
- Vercel Postgres plus Drizzle powers the verified leaderboard.
- 132 unit tests, 100% type coverage, Vitest plus GitHub Actions with Conventional-Commits auto-versioning.
Outcome
A real engineering artefact, public on GitHub. Community tooling that earns trust by being verifiable.
