siwa
SKILL.md
SIWA SDK
Sign-In With Agent (SIWA) lets AI agents authenticate with services using their ERC-8004 onchain identity.
Install
npm install @buildersgarden/siwa
Skills
Agent-Side (Signing)
Choose based on your wallet provider:
- Bankr — Bankr Agent API wallets
Server-Side (Verification)
- Server-Side Verification — Next.js, Express, Hono, Fastify
SDK Modules
| Import | Description |
|---|---|
@buildersgarden/siwa |
Core: signSIWAMessage, verifySIWA, createSIWANonce |
@buildersgarden/siwa/signer |
Signer factories |
@buildersgarden/siwa/erc8128 |
ERC-8128 HTTP signing/verification |
@buildersgarden/siwa/receipt |
HMAC receipt helpers |
@buildersgarden/siwa/nonce-store |
Nonce stores (Memory, Redis, KV) |
@buildersgarden/siwa/next |
Next.js middleware |
@buildersgarden/siwa/express |
Express middleware |
@buildersgarden/siwa/hono |
Hono middleware |
@buildersgarden/siwa/fastify |
Fastify middleware |
Links
Weekly Installs
20
Repository
bankrbot/skillsGitHub Stars
1.0K
First Seen
Feb 27, 2026
Security Audits
Installed on
opencode20
github-copilot20
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openclaw20