onchainkit

onchainkit is a skill for Claude Code, Codex from alsk1992/CloddsBot. It costs 24 tokens per session (458 once invoked), scanned A, original, MIT.

A React component library and command set for building blockchain applications with wallets, token swaps, NFTs, and payments.

In plain words
What is it for?
Use it to create an onchain app, add wallet or identity components, build token swaps, mint NFTs, or accept crypto payments.
Why use it?
It removes the need to build common blockchain interface pieces from scratch or set up separate backend infrastructure.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/alsk1992/cloddsbot/onchainkit
Any agent
npx skills add alsk1992/CloddsBot --skill onchainkit
Clone the repo
git clone --depth 1 https://github.com/alsk1992/CloddsBot

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for onchainkit

README.md
[![agentmods](https://agentmods.dev/badge/skills/alsk1992/cloddsbot/onchainkit.svg)](https://agentmods.dev/skills/alsk1992/cloddsbot/onchainkit)
Your own site
<a href="https://agentmods.dev/skills/alsk1992/cloddsbot/onchainkit"><img src="https://agentmods.dev/badge/skills/alsk1992/cloddsbot/onchainkit.svg" alt="Measured on agentmods" height="20"></a>
Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 458 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00024 $0.00458
Opus 5 $0.00012 $0.00229
Sonnet 5 $0.00005 $0.00092
Haiku 4.5 $0.00002 $0.00046

Measured yesterday against content hash 38a0466a0402, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

onchainkit scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

The scan reads SKILL.md. This mod also ships 1 executable file (index.ts), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

src/skills/bundled/onchainkit/SKILL.md · 84 lines

What it actually says

OnchainKit - Build Onchain Apps

Build production-ready onchain applications using Coinbase's React component library.

Overview

OnchainKit provides ready-to-use components that abstract blockchain complexity:

  • No backend infrastructure required
  • Works automatically on Base
  • Cost-effective transactions (< $0.01 fees)

Commands

Project Setup

/onchainkit create <project-name>    Create new onchain app
/onchainkit add <component>          Add component to project

Templates

/onchainkit template wallet          Wallet connection template
/onchainkit template swap            Token swap app template
/onchainkit template nft             NFT minting template
/onchainkit template checkout        Payment processing template

Docs

/onchainkit docs wallet              Wallet integration docs
/onchainkit docs identity            Identity components docs
/onchainkit docs swap                Token swap docs
/onchainkit docs transaction         Transaction building docs

Core Components

Wallet Connection

import { Wallet, ConnectWallet } from '@coinbase/onchainkit/wallet';
<Wallet><ConnectWallet /></Wallet>

Identity Display

import { Identity, Avatar, Name } from '@coinbase/onchainkit/identity';
<Identity address={address}><Avatar /><Name /></Identity>

Token Swap

import { Swap, SwapButton } from '@coinbase/onchainkit/swap';
<Swap><SwapButton /></Swap>

Quick Start

# Create new app
npm create onchain@latest

# Or add to existing project
npm install @coinbase/onchainkit

Configuration

export NEXT_PUBLIC_CDP_API_KEY="..."        # Coinbase API key
export NEXT_PUBLIC_WC_PROJECT_ID="..."      # WalletConnect ID

Resources

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 84 lines · 24 tokens per session scan A 38a0466a0402

Subscribe to this mod's changes

onchainkit is a skill published in the GitHub repository alsk1992/CloddsBot (872 stars, last pushed 3d ago), licensed MIT. It adds 24 tokens to every session and 458 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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