# Chaingpt Org Official Base

> Base Ecosystem skill

- Skill: `jiayaoqijia/chaingpt-org-official-base` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add jiayaoqijia/chaingpt-org-official-base`
- Raw SKILL.md: https://api.skillmd.com/api/skills/jiayaoqijia/chaingpt-org-official-base/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: jiayaoqijia (https://skillmd.com/u/jiayaoqijia)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/jiayaoqijia/chaingpt-org-official-base

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# Base Ecosystem skill

Tools for building on Coinbase's Base L2: human-readable names and Mini Apps.

## Basenames (`name.base.eth`)

ENS-style naming on Base. Resolution verified live against Base mainnet.

| Tool | Purpose |
|---|---|
| `chaingpt_base_resolve_name` | Forward (name → address) or reverse (address → primary name). Auto-detects from input. Read-only. |
| `chaingpt_base_name_availability` | Is a label available + the price for N years. Read-only. |
| `chaingpt_base_register_name_tx` | Build the UNSIGNED registration tx (payable; sets the addr record + optional reverse record). Mainnet needs `acknowledgeMainnet:true`. |

`chaingpt_base_resolve_name query=jesse.base.eth` → address. `query=0x…` → name.

## Base App / Farcaster Mini Apps

A Mini App is a web app that runs inside the Base App **and** Farcaster from a
feed post (Farcaster Mini Apps spec; MiniKit wraps OnchainKit on the Base side).
These tools are pure generation/validation — no network, no keys.

| Tool | Purpose |
|---|---|
| `chaingpt_miniapp_manifest` | Generate `/.well-known/farcaster.json` (the `miniapp` object + `frame` alias). |
| `chaingpt_miniapp_embed` | Generate the `fc:miniapp` (+ legacy `fc:frame`) HTML meta tag for shareable embeds. |
| `chaingpt_miniapp_validate` | Validate a manifest against the spec (required fields, lengths, https, category). |

> The manifest's `accountAssociation` (domain-ownership proof) must be signed
> with your Farcaster custody key — generate it with `npx create-onchain --manifest`.
> The tool emits a placeholder and explains the step.

## Reliability

EVM reads use a public-RPC fallback chain. For heavy use set `BASE_RPC_URL` to a
dedicated endpoint. 0 ChainGPT credits.