How do I install the Self Agent Id skill?

Run npx skillmds@latest add jiayaoqijia/self-agent-id in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Self Agent Id safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Self Agent Id?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Self Agent Id free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Self Agent Id?

jiayaoqijia (@jiayaoqijia) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Self Agent Id by jiayaoqijia — Agent Skill

Name: Self Agent Id
Author: jiayaoqijia

Self Agent Id

Integrate Self Protocol Agent ID for ZK-powered, human-backed AI agent identity. Covers registration, verification, soulbound NFTs, Sybil resistance, and A2A patterns. Use when asked about agent identity, proof-of-human, Self Protocol, or ZK identity.

jiayaoqijia Updated Sep 17, 2026

File contents

Self Agent ID

ZK-powered identity for AI agents via Self Protocol. Agents get soulbound ERC-721 NFTs verified through zero-knowledge passport authentication.

How It Works

Human scans passport via Self app (ZK proof generated locally on phone)
Hub V2 verifies the proof on-chain and notifies the registry
Registry mints a soulbound NFT linking agent's key to unique human nullifier
Agents sign requests via SDK; services verify against on-chain registry

No personal data leaves the user's device. Only a ZK proof and nullifier are submitted on-chain.

Registry Addresses

Network	Chain ID	Registry Address
Celo Mainnet	42220	`0xaC3DF9ABf80d0F5c020C06B04Cced27763355944`
Celo Sepolia	11142220	`0x043DaCac8b0771DD5b444bCC88f2f8BBDBEdd379`

Three on-chain registries (ERC-8004 compatible):

SelfAgentRegistry — Core identity (soulbound ERC-721 + proof-of-human)
SelfReputationRegistry — Aggregated reputation feedback
SelfValidationRegistry — Third-party validation

REST API

Base: https://selfagentid.xyz/api

Get agent info:

web_fetch url="https://selfagentid.xyz/api/agent/info/42220/AGENT_ID"

List agents by wallet:

web_fetch url="https://selfagentid.xyz/api/agent/agents/42220/0xWALLET_ADDRESS"

Verify agent:

web_fetch url="https://selfagentid.xyz/api/agent/verify/42220/AGENT_ID"

Get agent card (A2A):

web_fetch url="https://selfagentid.xyz/api/cards/42220/AGENT_ID"

Register agent:

exec command="curl -s -X POST 'https://selfagentid.xyz/api/agent/register' -H 'Content-Type: application/json' -d '{\"mode\":\"linked\",\"network\":\"mainnet\",\"humanAddress\":\"0xWALLET\",\"disclosures\":{\"age\":true,\"ofac\":true}}'"

Registration Modes

Mode	Key Type	Wallet Required	Best For
`linked`	ECDSA	Yes (human)	Autonomous agents with human oversight
`wallet-free`	ECDSA	No	Non-crypto users, embedded agents
`ed25519`	Ed25519	No	OpenClaw, Eliza frameworks
`ed25519-linked`	Ed25519	Yes (human)	Ed25519 agents with human custody
`privy`	Social login	No	Google/Twitter/email auth
`smartwallet`	Passkey	No	Biometric auth, gasless revocation

Verification Patterns

Agent-to-Service

Agent signs HTTP requests with headers:

x-self-agent-address — Agent's Ethereum address
x-self-agent-signature — ECDSA signature
x-self-agent-timestamp — Unix timestamp

Agent-to-Agent

Mutual verification between two agents. sameHuman() detects if two agents share the same human backer without revealing identity.

Agent-to-Chain

Smart contracts check isVerifiedAgent() on the registry directly. For gasless: agents sign EIP-712 typed data, relayer submits.

SDK Installation

Language	Package	Install
TypeScript	`@selfxyz/agent-sdk`	`npm install @selfxyz/agent-sdk`
Python	`selfxyz-agent-sdk`	`pip install selfxyz-agent-sdk`
Rust	`self-agent-sdk`	`cargo add self-agent-sdk`

Integration with Ottie

Ottie can integrate Self Agent ID for:

Sybil-resistant identity: each agent backed by unique human
A2A verification: verify other agents before DeFi interactions
On-chain reputation: build verifiable trust history
Proof-of-human gating: restrict sensitive operations to human-verified agents

---name: self-agent-iddescription: Integrate Self Protocol Agent ID for ZK-powered, human-backed AI agent identity. Covers registration, verification, soulbound NFTs, Sybil resistance, and A2A patterns. Use when asked about agent identity, proof-of-human, Self Protocol, or ZK identity.---# Self Agent IDZK-powered identity for AI agents via Self Protocol. Agents get soulbound ERC-721 NFTs verified through zero-knowledge passport authentication.## How It Works1. Human scans passport via Self app (ZK proof generated locally on phone)2. Hub V2 verifies the proof on-chain and notifies the registry3. Registry mints a soulbound NFT linking agent's key to unique human nullifier4. Agents sign requests via SDK; services verify against on-chain registryNo personal data leaves the user's device. Only a ZK proof and nullifier are submitted on-chain.## Registry Addresses| Network | Chain ID | Registry Address ||---------|----------|------------------|| Celo Mainnet | 42220 | `0xaC3DF9ABf80d0F5c020C06B04Cced27763355944` || Celo Sepolia | 11142220 | `0x043DaCac8b0771DD5b444bCC88f2f8BBDBEdd379` |Three on-chain registries (ERC-8004 compatible):- **SelfAgentRegistry** — Core identity (soulbound ERC-721 + proof-of-human)- **SelfReputationRegistry** — Aggregated reputation feedback- **SelfValidationRegistry** — Third-party validation## REST APIBase: `https://selfagentid.xyz/api`**Get agent info**:```web_fetch url="https://selfagentid.xyz/api/agent/info/42220/AGENT_ID"```**List agents by wallet**:```web_fetch url="https://selfagentid.xyz/api/agent/agents/42220/0xWALLET_ADDRESS"```**Verify agent**:```web_fetch url="https://selfagentid.xyz/api/agent/verify/42220/AGENT_ID"```**Get agent card (A2A)**:```web_fetch url="https://selfagentid.xyz/api/cards/42220/AGENT_ID"```**Register agent**:```exec command="curl -s -X POST 'https://selfagentid.xyz/api/agent/register' -H 'Content-Type: application/json' -d '{\"mode\":\"linked\",\"network\":\"mainnet\",\"humanAddress\":\"0xWALLET\",\"disclosures\":{\"age\":true,\"ofac\":true}}'"```## Registration Modes| Mode | Key Type | Wallet Required | Best For ||------|----------|-----------------|----------|| `linked` | ECDSA | Yes (human) | Autonomous agents with human oversight || `wallet-free` | ECDSA | No | Non-crypto users, embedded agents || `ed25519` | Ed25519 | No | OpenClaw, Eliza frameworks || `ed25519-linked` | Ed25519 | Yes (human) | Ed25519 agents with human custody || `privy` | Social login | No | Google/Twitter/email auth || `smartwallet` | Passkey | No | Biometric auth, gasless revocation |## Verification Patterns### Agent-to-ServiceAgent signs HTTP requests with headers:- `x-self-agent-address` — Agent's Ethereum address- `x-self-agent-signature` — ECDSA signature- `x-self-agent-timestamp` — Unix timestamp### Agent-to-AgentMutual verification between two agents. `sameHuman()` detects if two agents share the same human backer without revealing identity.### Agent-to-ChainSmart contracts check `isVerifiedAgent()` on the registry directly. For gasless: agents sign EIP-712 typed data, relayer submits.## SDK Installation| Language | Package | Install ||----------|---------|---------|| TypeScript | `@selfxyz/agent-sdk` | `npm install @selfxyz/agent-sdk` || Python | `selfxyz-agent-sdk` | `pip install selfxyz-agent-sdk` || Rust | `self-agent-sdk` | `cargo add self-agent-sdk` |## Integration with OttieOttie can integrate Self Agent ID for:- **Sybil-resistant identity**: each agent backed by unique human- **A2A verification**: verify other agents before DeFi interactions- **On-chain reputation**: build verifiable trust history- **Proof-of-human gating**: restrict sensitive operations to human-verified agents

Frequently asked questions