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siwa

Authenticate ERC-8004 agents via SIWA protocol with signed messages and receipts.

Updated Jun 11, 2026
Search Tags:#authentication#ERC-8004#on-chain identity#SIWA#AI agent verification
One-click install
npx skills add https://github.com/dnzengou/agentbot-opensource --skill siwa-dnzengou
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: siwa
Source: https://github.com/dnzengou/agentbot-opensource/tree/main/skills/siwa
Command: npx skills add https://github.com/dnzengou/agentbot-opensource --skill siwa-dnzengou

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @buildersgarden/siwa, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill facilitates secure authentication for ERC-8004 registered agents, solving the challenge of on-chain identity verification and simplifying access to services for AI workers.

Core Features & Use Cases

  • ERC-8004 Authentication: Integrates with ERC-8004 to provide robust on-chain identity verification for AI agents.
  • Skill-Side Signing: Offers a variety of wallet provider options for signing messages, ensuring compatibility and ease of use.
  • Server-Side Verification: Provides server-side implementation guides for verifying signatures and issuing receipts.
  • SDK Modules: A comprehensive SDK with modular components for various development environments like Next.js, Express, Hono, and Fastify.

Quick Start

Install the SIWA SDK and use it to authenticate an agent with the 'bankr-signer' and verify it on the server side.

Frequently Asked Questions about siwa

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I authenticate AI agents on Ethereum using ERC-8004?▼

SIWA protocol authenticates ERC-8004 agents by facilitating message signing and server-side verification for secure access control. It provides SDK components to issue receipts that validate on-chain identity within the Ethereum ecosystem.

What is SIWA and how does it verify on-chain identity for AI workers?▼

SIWA verifies on-chain identity for AI workers by validating ERC-8004 registered agents through cryptographic signature verification. It issues server-side receipts that confirm the agent's identity for secure API route protection.

Can I use the SIWA SDK to protect API routes in a Next.js or Express environment?▼

Yes, the SIWA SDK provides modular components for protecting API routes in Next.js, Express, Hono, and Fastify environments. It enables server-side signature verification to secure endpoints for ERC-8004 agents.

Do I need to understand ERC-8128 and ERC-8004 standards to implement SIWA authentication?▼

Yes, implementing SIWA authentication requires knowledge of ERC-8004 and ERC-8128 standards to properly verify on-chain identity. This prerequisite ensures correct integration of agent registration and signature validation within the Ethereum ecosystem.

What is the best way to sign SIWA messages for ERC-8004 agents?▼

The best way to sign SIWA messages is by using the integrated wallet provider options, such as the 'bankr-signer', which ensure compatibility for ERC-8004 agents. This skill-side signing facilitates secure authentication before server-side verification.

Why does SIWA issue receipts after verifying agent signatures?▼

SIWA issues receipts after verifying agent signatures to provide cryptographic proof of successful on-chain identity authentication. These receipts protect API routes by validating ERC-8004 agents without requiring repeated signature verifications.

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