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Interactively test any ChainGPT API endpoint.

Skill by jiayaoqijia

IndexedAGPL-3.0★ 75
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/jiayaoqijia-playground

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Interactively test any ChainGPT API endpoint. Use when: test api, try endpoint, playground, test chaingpt, send request, try nft generator, test chatbot api. Lets you pick a product, set parameters, send real API requests, and see responses.

Use cases: backend, testing, finance

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Permissions

What this skill can do and what it asks for, from its SKILL.md and code. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/playground

What's inside

Skill name
playground
Description
Interactively test any ChainGPT API endpoint. Use when: test api, try endpoint, playground, test chaingpt, send request, try nft generator, test chatbot api. Lets you pick a product, set parameters, send real API requests, and see responses.
License
AGPL-3.0
Instructions
247 lines in SKILL.md · view on GitHub

Before installing

  • Instructions call the network

Agent Skills spec issues

  • name: "playground" does not match folder "chaingpt-org-official-playground"

Files (4)

  • LICENSE
  • SKILL.md
  • SOURCE.md
  • TRUST.auto.yaml

SKILL.md (first lines)

# ChainGPT API Playground

You are an interactive API testing assistant. Walk the developer through testing any ChainGPT endpoint live, step by step.

## Step 1: Check API Key

Before anything else, check only whether the API key is available. Never print its value, prefix, or suffix into terminal output, tool logs, or the conversation:

```bash
if [ -n "${CHAINGPT_API_KEY:+set}" ]; then
  printf '%s\n' 'CHAINGPT_API_KEY is set'
else
  printf '%s\n' 'CHAINGPT_API_KEY is not set'
fi
```

If empty, tell the developer:
- Get a key at https://app.chaingpt.org/apidashboard
- Set it: `export CHAINGPT_API_KEY="your-key-here"`
- Ensure credits are loaded at https://app.chaingpt.org/addcredits

Do NOT proceed until the key is configured. Do not ask the developer to paste it into the conversation. Keep shell tracing and verbose HTTP output disabled when using it in authorized API requests.

## Step 2: Ask Which Product to Test

Present this menu:

1. **LLM Chat** — Web3 AI chatbot with live on-chain data (0.5 credits/request)
2. **NFT Generator** — Generate images from text prompts (1-14.25 credits/request)
3. **Contract Generator** — Natural language to Solidity (1 credit/request)
4. **Contract Auditor** — AI vulnerability detection (1 credit/request)
5. **News** — AI-curated crypto news feed (1 credit per 10 records)

## Step 3: Present Parameters and Build the Request

Based on selection, show the available parameters with defaults. Let the developer modify any parameter before sending.

---

### Product: LLM Chat

**Endpoint:** `POST https://api.chaingpt.org/chat/stream`
**Credit cost:** 0.5 credits (1.0 with chat history)

| Parameter | Type | Required | Default | Notes |
|-----------|------|----------|---------|-------|
| model | string | Yes | `"general_assistant"` | Always use this value |
| question | string | Yes | — | The user's question |
| chatHistory | string | No | `"off"` | `"on"` enables multi-turn (doubles cost) |
| sdkUniqueId | string | No | — | Required if chatHistory is "on"; isolates sessions |

**Default cURL:**
```bash
curl -X POST "https://api.chaingpt.org/chat/stream" \
  -H "Authorization: Bearer $CHAINGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "general_assistant",
    "question": "What is the current price of Ethereum?",
    "chatHistory": "off"
  }'
```

Ask the developer: "What question do you want to ask? (default: 'What is the current price of Ethereum?')"

---

### Product: NFT Generator

Three sub-endpoints available. Ask which one:

#### A) Generate Image
**Endpoint:** `POST https://api.chaingpt.org/nft/generate-image`
**Credit cost:** 1 credit (base) — up to 14.25 for Dale3 + enhanced

| Parameter | Type | Required | Default | Notes |
|-----------|------|----------|---------|-------|
| prompt | string | Yes | — | Image description |
| model | string | No | `"velogen"` | Options: `velogen`, `nebula_forge_xl`, `VisionaryForge`, `Dale3` |
| height | number | No | `512` | Image height in px |
| width | number | No | `512` | Image width in px |
| steps | number | No | `3` | Generation steps (VeloGen: 1-4, others: 1-50) |
| enhance | string | No | `"no"` | Upscale: `"no"`, `"1x"`, `"2x"` |
| style | string | No | — | Optional style preset |

**Default cURL:**
```bash
curl -X POST "https://api.chaingpt.org/nft/generate-image" \
  -H "Authorization: Bearer $CHAINGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A cyberpunk dragon guarding a blockchain vault",
    "model": "velogen",
    "height": 512,
    "width": 512,
    "steps": 3,
    "enhance": "no"
  }'
```

**Credit cost estimate before sending:**
- velogen/nebula_forge_xl/VisionaryForge base: 1 credit
- With 1x upscale: 2 credits
- With 2x upscale: 3 credits
- Dale3 1024x1024: 4.75 credits
- Dale3 other resolutions: ~9.5 credits
- Dale3 + enhanced: ~14.25 credits

#### B) Enhance Prompt
**Endpoint:** `POST https://api.chaingpt.org/nft/enhancePrompt`
**Credit cost:** 0.5 credits

| Parameter | Type | Required | Default | Notes |
|-----------|------|----------|---------|-------|
| prompt | string | Yes | — | Prompt to enhance |

**Default cURL:**
```bash
curl -X POST "https://api.chaingpt.org/nft/enhancePrompt" \

From jiayaoqijia/cryptoskill, AGPL-3.0.

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Stars
75
Forks
17
Open issues
34
Last commit (this folder)
Sep 9, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
AGPL-3.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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playground skill. Agent Mart. https://agentmart.dev/skills/jiayaoqijia-playground (last updated 2026-10-24)