HTML/CSS to Image MCP server for AI agents and assistants

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with HTML/CSS to Image MCP or direct API to render HTML into images, capture public webpages, generate PDFs, and create assets from reusable templates through natural language.

HTML/CSS to Image logoHTML/CSS to Image
Api Key

HTML/CSS to Image is an API for converting HTML, CSS, URLs, and templates into images and PDFs. Use it to generate clean visual assets, screenshots, and documents without running browser infrastructure.

10 Tools

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Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
HTML/CSS to Image
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TOOLS

Supported Tools

Every HTML/CSS to Image action and event your agent gets out of the box.

Create Image

Create a hosted image from HTML/CSS or an internet-reachable webpage, including authenticated pages using request headers.

Create Image from Template

Create an image from a reusable template using the latest version or an explicitly selected version.

Create Images Batch

Create 1 to 25 hosted images from HTML/CSS or internet-reachable webpages in one request, including authenticated pages using shared or per-image headers.

Create Template

Create a reusable Handlebars HTML/CSS image template.

Delete Image

Permanently delete one generated image and clear its HCTI CDN cache.

Delete Images Batch

Permanently delete multiple generated images and clear their HCTI CDN caches.

Get or Transform Image

Download a generated image by ID, optionally converting its format, resizing it, or cropping it.

Get Usage

Return recent hourly, daily, monthly, and billing-period image usage for the connected account.

List Templates

List reusable image templates owned by the connected account, including their current version, source, and render settings.

Update Template

Create a new version of an existing template using replacement Handlebars HTML and optional CSS or render settings.

SETUP GUIDE

Connect HTML/CSS to Image MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openai
Install the Composio SDK and your agent framework
2

Create a session with MCP enabled

typescript
import { Composio } from "@composio/core";

const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
  toolkits: ["htmlcss_to_image"],
  mcp: true,
});
Create a session scoped to HTML/CSS to Image and read its MCP URL and headers
3

Connect your agent to the MCP server

typescript
import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";

const client = await createMCPClient({
  transport: { type: "http", url: mcp.url, headers: mcp.headers },
});

const { text } = await generateText({
  model: openai("gpt-5.6-sol"),
  tools: await client.tools(),
  prompt: "Create a PNG image from HTML: <div style=\"padding:24px;background:#111;color:white;font-family:Arial\">Launch report ready</div>",
  stopWhen: stepCountIs(10),
});

console.log(text);
await client.close();
Pass the session's MCP URL and headers to your agent and run a HTML/CSS to Image request
SETUP GUIDE

Connect HTML/CSS to Image API Tool with your Agent

1

Install Composio

typescript
npm install @composio/core @composio/openai openai
Install the Composio SDK, the OpenAI provider, and the OpenAI SDK
2

Create a Composio session

typescript
import OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";

const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();

const session = await composio.create("your-user-id", { toolkits: ["htmlcss_to_image"] });
const tools = await session.tools();
Initialize Composio with the OpenAI Responses provider and create a session scoped to HTML/CSS to Image
3

Run HTML/CSS to Image tools with your agent

typescript
let response = await client.responses.create({
  model: "gpt-5.6-sol",
  tools,
  input: [{ role: "user", content: "Create a PNG image from HTML: <div style=\"padding:24px;background:#111;color:white;font-family:Arial\">Launch report ready</div>" }],
});

while (response.output.some((o) => o.type === "function_call")) {
  const outputs = await composio.provider.handleToolCalls(session, response.output);
  response = await client.responses.create({
    model: "gpt-5.6-sol",
    tools,
    previous_response_id: response.id,
    input: outputs,
  });
}

console.log(response.output_text);
Send a request, execute the HTML/CSS to Image tool calls through the session, and print the final answer

Why Use Composio?

AI Native HTML/CSS to Image Integration

  • Supports both HTML/CSS to Image MCP and direct API based integrations
  • Structured, LLM-friendly schemas so agents can render images and PDFs with fewer bad calls
  • Great for generating social cards, invoices, reports, screenshots, and template-based assets

Managed API Key Auth

  • Bring your HTML/CSS to Image API key once, then let Composio handle secure credential storage
  • Central place to manage, scope, and revoke HTML/CSS to Image access
  • Per user and per environment credentials instead of hard-coded keys in agent code

Agent Optimized Design

  • Tools are shaped for natural language tasks like “render this HTML as a PNG” or “capture this landing page as a PDF”
  • Tool schemas help agents pass the right HTML, CSS, URL, output format, and rendering options
  • Comprehensive execution logs so you always know what rendered, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access HTML/CSS to Image
  • Scoped, least privilege access for rendering workflows and document generation
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, HTML/CSS to Image requires you to configure your own API key. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Yes. Composio is SOC 2 Type II compliant and is built to keep your HTML/CSS to Image connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.

Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Create the key in your HTML/CSS to Image account settings, then paste it once on Composio's connection page. Composio stores it encrypted and uses it only for the HTML/CSS to Image actions your agent runs. Nobody else in your workspace can read it, and you can revoke it inside HTML/CSS to Image at any time.

When you connect a HTML/CSS to Image account through Composio, every action runs under that account, so anything the agent creates, sends, or changes shows up in HTML/CSS to Image as done by you. Keep an approval step in your prompt for actions with side effects, such as sending or deleting, and have the agent draft first.

Whatever the credentials you connect allow inside HTML/CSS to Image. If HTML/CSS to Image lets you scope a key to specific permissions, create a scoped one so the agent can only do what you intend. You can revoke the key inside HTML/CSS to Image at any time.

Yes. Composio supports multiple connected accounts for the same app, and that works in Claude, ChatGPT, or any other assistant you connect through Composio. Give each HTML/CSS to Image connection a name such as work or personal, and the assistant uses the one you mention in the request. Each account keeps its own credentials and nothing is merged.

The connection stops working the moment HTML/CSS to Image rejects the old key. Create a new key in HTML/CSS to Image and reconnect the account from the Composio dashboard or by asking your agent to reconnect HTML/CSS to Image. Nothing else changes.

Composio's free Hobby plan includes 100,000 tool calls per month with no credit card, which covers most personal HTML/CSS to Image use. Paid plans add higher limits and team features. Your HTML/CSS to Image plan and its API limits still apply as usual.

Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple HTML/CSS to Image accounts).

With Composio, you connect HTML/CSS to Image once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.

Start with HTML/CSS to Image.It takes 30 seconds.

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