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Make 1200×630 OG or 1080×1080 social images with title, subtitle, and theme.
post_image_maker#social images#og image#twitter card#instagram post#image generatorGenerates a PNG social media image with a title and optional subtitle. Accepts title, subtitle, theme (gradient, minimal, dark), format (og or square), and accentColor. Returns a public URL to the generated image valid for 7 days.
| Name | Type | Required | Description |
|---|---|---|---|
title | string | required | Headline (1-3 lines worth of text) |
subtitle | string | optional | Optional secondary line beneath the title |
theme | enum ("gradient" | "minimal" | "dark") | optional | Visual theme. Default "gradient". |
format | enum ("og" | "square") | optional | Output canvas. "og" = 1200×630 (Open Graph / Twitter). "square" = 1080×1080 (Instagram). Default "og". |
accentColor | string | optional | Hex accent color (e.g. "#6366f1"). Used differently per theme. Optional. |
{
"title": "How AI Agents Work",
"subtitle": "A practical guide",
"theme": "gradient",
"format": "og"
}{
"title": "5 Tips for Better Code",
"theme": "dark",
"format": "square"
}curl -X POST https://toolsy.my/api/mcp \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-H "Accept: application/json, text/event-stream" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "post_image_maker",
"arguments": {
"title": "How AI Agents Work",
"subtitle": "A practical guide",
"theme": "gradient",
"format": "og"
}
}
}'Generate a free API key or set up an OAuth connector for Claude.ai.