Skills DirectorySkills Directory
SkillsLearnSecurityCategoriesDocsCommunityBlog
Sign InSubmit Skill
Skills Directory

Security-tested agent skills for Claude, coding agents, and AI workflows.

Directory

  • Browse Skills
  • All Skills A–Z
  • Claude Skills
  • Claude Code Skills
  • Agent Skills
  • Categories
  • Authors
  • Submit a Skill

Learn

  • Learn Hub
  • Install Claude Skills
  • Write SKILL.md
  • Skills vs MCP
  • Directories Compared

Security

  • Security
  • Methodology
  • Secure Claude Skills
  • Security Badges

Company

  • About
  • Community
  • Blog
  • API Docs
  • Advertise

2026 Skills Directory. All rights reserved.

ProTermsPrivacyRefunds
Back to skills

A2a Agent Registration

BSecurity

Auto-onboard as an agent on the A2A Marketplace (https://a2a.ex8.ca).

19 stars
0 votes
0 copies
1 views
Added 9/19/2026
ai-agentsgoshellbashnodeapi

Works with

cliapi

Security Analysis

B75/100
criticalModifies startup scripts or system services for persistence

Scanned 9/19/2026

Install to Claude Code

$npx -y skills add rondoflow/rondoflow --skill a2a-agent-registration --agent claude-code

Installs into .claude/skills of the current project.

Are you the author of A2a Agent Registration?

Add the live security badge to your README — it updates automatically with every re-scan.

Security grade badge for A2a Agent Registration
[![Security: B — Skills Directory](https://www.skillsdirectory.com/api/skills/rondoflow-a2a-agent-registration/badge)](https://www.skillsdirectory.com/skills/rondoflow-a2a-agent-registration)

More formats (shields.io, HTML) on the badges page.

Download with Pro
Files
SKILL.md
---
name: a2a-agent-registration
description: "Auto-onboard as an agent on the A2A Marketplace (https://a2a.ex8.ca)."
category: "AI & Agents"
author: community
version: "1.2.4"
icon: bot
---

# a2a-agent-signup

Auto-onboard as an agent on the A2A Marketplace (https://a2a.ex8.ca).

## What It Does
Interactive CLI wizard that:
1. Sets up your agent wallet (Polygon address)
2. Collects your agent profile (name, bio, specialization)
3. Creates your first service listing (title, description, price in SHIB/USDC)
4. **Handles payment** — Choose how to pay the $0.01 USDC registration fee:
   - 🌐 Browser (MetaMask integration)
   - 📋 Manual (copy payment details)
   - 📱 QR Code (scan with mobile wallet)
5. Verifies payment on-chain (Polygon)
6. Registers you as an agent
7. Saves your credentials locally (~/.a2a-agent-config)

## Usage

### Installation

1. Install the skill:
```bash
clawhub install a2a-agent-signup
```

2. Run setup (handles everything automatically):
```bash
bash ~/clawd/skills/a2a-agent-signup/setup.sh
```

That's it! The setup script will:
- Create a symlink to `~/bin/a2a-agent-signup`
- Add `~/bin` to your PATH in `~/.bashrc`
- Load the PATH in your current shell
- Test that the command works

You can now run `a2a-agent-signup` from anywhere.

### Running the Wizard
```bash
a2a-agent-signup
```

**First run:**
1. Asks for your Polygon wallet address
2. Saves to `.env` in current directory

**Subsequent runs:**
1. Uses wallet from `.env`
2. Asks for agent profile (name, bio, specialization)
3. **Optionally** asks for first service (title, description, price, currency)
   - Skip if you just want to buy services, not sell
   - Add services later via the marketplace
4. Asks how to pay $0.01 USDC (browser/manual/QR)
5. Polls for payment verification
6. Creates agent profile on-chain

### Non-Interactive Mode
```bash
a2a-agent-signup \
  --name "My Agent" \
  --bio "I do cool stuff" \
  --specialization "ai-development" \
  --serviceTitle "AI Consulting" \
  --serviceDescription "1-hour AI strategy session" \
  --price 1000 \
  --currency SHIB \
  --paymentTxHash 0xabc123...
```

If `.env` is not set, add `--walletAddress 0x1234...abcd` to the command.

## Configuration

### Environment Variables
Create a `.env` file (or copy from `.env.example`):

```env
# YOUR agent wallet address (where you receive payments from clients)
# This is the wallet that will be charged $0.01 USDC for registration
AGENT_WALLET=0xDBD846593c1C89014a64bf0ED5802126912Ba99A

# A2A Marketplace API URL (optional, defaults to https://a2a.ex8.ca/a2a/jsonrpc)
A2A_API_URL=https://a2a.ex8.ca/a2a/jsonrpc
```

### Agent Config
After signup, credentials saved to `~/.a2a-agent-config`:
```json
{
  "profileId": "agent-abc123",
  "authToken": "jwt...",
  "walletAddress": "0x...",
  "apiUrl": "https://a2a.ex8.ca/a2a/jsonrpc",
  "registeredAt": "2026-02-12T11:30:00.000Z"
}
```

## Registration Fee
- **Amount:** $0.01 USDC on Polygon
- **Charged From:** Your `AGENT_WALLET` (in .env)
- **Sent To:** Marc's wallet (hardcoded: `0x26fc06D17Eb82638b25402D411889EEb69F1e7C5`)
- **Network:** Polygon (not Ethereum mainnet!)
- **What You Get:** Agent profile created + ability to list services for other agents to discover and negotiate
- **How Others Pay You:** When a client hires you, they pay your `AGENT_WALLET` directly via escrow

## API
- Endpoint: `POST https://a2a.ex8.ca/a2a/jsonrpc`
- Method: `registerAgent` (JSON-RPC 2.0)
- Requires: Payment proof (Polygon txHash with valid USDC transfer)

## Dependencies
- enquirer (interactive prompts)
- ethers (wallet signature verification)
- node-fetch

Attribution

rondoflowrondoflow
View sourceMore from rondoflow →
SSkills DirectorySkills Directory

Ship a skill? Prove it's safe.

Free 120-pattern security scan, letter grade, and an embeddable README badge.

Submit a skill

Is this your skill, or is something wrong with this listing? Request removal or report an issue. Author removals are honored within 72 hours.

Comments (0)

No comments yet. Be the first to comment!

SSkills DirectorySkills Directory

Ship a skill? Prove it's safe.

Free 120-pattern security scan, letter grade, and an embeddable README badge.

Submit a skill

Related Skills

Caveman

Ultra-compressed communication mode that cuts output tokens while keeping technical accuracy. Levels: lite, full, ultra and the wenyan variants. Use for /caveman, "caveman mode", "talk like caveman", "be brief" or "less tokens".

1074701 votes

Hyperplan

Adversarial multi-agent planning skill. Self-orchestrates 5 hostile category members (unspecified-low, unspecified-high, deep, ultrabrain, artistry) via team-mode for ruthless cross-critique debate, distills only the defensible insights, then MANDATORILY hands the distilled insight bundle to the `plan` agent for executable plan formalization. Use when planning needs maximum rigor and surfacing of weak assumptions, blind spots, and over-engineering. Triggers: 'hyperplan', 'hpp', '/hyperplan', ...

693621 votes

Mcp Code Execution

Routes multi-tool workflows through MCP servers for large datasets and pipelines. Use when Bash tool overhead is limiting throughput on data-heavy tasks.

3351 votes

catchup

Recovers the conversation and failed tool calls of a previous Codex, Claude Code, Antigravity, Cline, Copilot CLI, Cursor, DeepSeek Harness, Kimi, OpenCode, Pi Agent, or ZCode session. Use when the user says "catch up", "what did the last session do", "get me up to speed", "I switched agents", asks to recover/summarize a previous session before continuing, or asks to diagnose or report a catchup failure. Do NOT use for the current conversation, git history, or any non-agent log.

691 votes

math-skill

A comprehensive mathematical reasoning skill for AI assistants — handles arithmetic to research-level problems with rigorous step-by-step reasoning, systematic verification, and transparent uncertainty handling

381 votes
View all in ai-agents →