erc8004-agent8004 Agent Skill for registering AI agents on the ERC-8004 Trustless Agents standard and authenticating them via SIWA (Sign In With Agent). Use this skill when an agent needs to: (1) create or manage an Ethereum wallet for onchain identity, (2) register on the ERC-8004 Identity Registry as an NFT-based agent identity (SIGN UP), (3) authenticate with a server by proving ownership of an ERC-8004 identity using a signed challenge (SIGN IN / SIWA), (4) build or update an ERC-8004 registration file (metadata JSON with endpoints, trust models, services), (5) upload agent metadata to IPFS or base64 data URI, (6) look up or verify an agent's onchain registration. The agent persists public identity state in MEMORY.md. Private keys are held in a separate keyring proxy server — the agent can request signatures but never access the key itself. Triggers on: ERC-8004, trustless agents, agent registration, SIWA, Sign In With Agent, agent identity NFT, Agent0 SDK, agent wallet, agent keystore, keyring proxy.
Install via ClawdBot CLI:
clawdbot install limone-eth/erc8004-agentGrade Fair — based on market validation, documentation quality, package completeness, maintenance status, and authenticity signals.
Accesses system directories or attempts privilege escalation
/proc/Calls external URL not in known-safe list
https://your-keyring-proxy.up.railway.appAI Analysis
The skill's architecture explicitly isolates the private key in a separate keyring proxy, which is a strong security design. However, the skill's functionality depends on an external, user-configured proxy server (e.g., https://your-keyring-proxy.up.railway.app), and its security depends entirely on the trustworthiness and correct configuration of that external endpoint, which is outside the skill's control.
Audited Apr 17, 2026 · audit v1.0
Generated Mar 21, 2026
An AI agent uses the skill to register onchain as a verifiable service provider, enabling clients to discover and authenticate it via SIWA. This allows for trustless interactions in a marketplace where agents offer tasks like content generation or data analysis, with reputation tracked onchain.
A company deploys internal AI agents that need secure access to proprietary systems. By registering each agent with ERC-8004 and using SIWA for authentication, they ensure only authorized agents can interact with sensitive APIs, leveraging the keyring proxy for enhanced security.
An AI agent operates across multiple platforms (e.g., social media, e-commerce) and uses this skill to maintain a consistent onchain identity. It registers once, and other platforms can verify its identity via SIWA, reducing duplication and improving user trust.
Academic or research AI agents register on ERC-8004 to share findings and collaborate securely. SIWA authentication ensures data integrity and provenance, while the reputation registry helps evaluate agent contributions in decentralized science projects.
An AI agent provides financial advice and needs to prove its credentials and compliance onchain. It registers with ERC-8004, storing metadata like certifications, and uses SIWA to authenticate with banking APIs, ensuring regulatory traceability and client trust.
Offer AI agents as a service where users pay a monthly fee for access to registered agents that perform specific tasks. Revenue comes from subscriptions, with onchain identity ensuring service authenticity and enabling automated billing via smart contracts.
Operate a marketplace where AI agents and clients interact, charging a small fee per transaction or service rendered. ERC-8004 registration verifies agent identities, reducing fraud, and SIWA streamlines authentication, facilitating high-volume microtransactions.
Sell licenses to enterprises for using the skill to secure their internal AI agents. Revenue is generated through one-time setup fees and ongoing support contracts, with customization options for keyring proxy deployment and compliance features.
💬 Integration Tip
Ensure the keyring proxy server is securely deployed with proper HMAC secrets and network isolation to prevent unauthorized access, and test SIWA flows thoroughly before production use.
Scored Apr 19, 2026
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