Upload to URL MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Upload to URL MCP or direct API to upload files, publish HTML pages, retrieve file metadata, and delete uploaded file records through natural language.

Upload to URL logoUpload to URL
Api Key

Upload to URL is a file publishing service for hosting files on public CDN URLs and publishing HTML pages. It gives apps and agents a simple way to make files and web content publicly accessible.

5 Tools

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TOOL ROUTER PLAYGROUND
Upload to URL
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TOOLS

Supported Tools

Every Upload to URL action and event your agent gets out of the box.

Delete File

Permanently delete a previously uploaded file from storage and its public CDN location.

Get File Metadata

Retrieve current metadata and the public CDN URL for a file previously uploaded by the connected account.

Get Supported Formats

Return the file extensions Upload to URL accepts or blocks, current plan size limits, and advertised upload security checks.

Publish HTML

Publish raw HTML at a public URL under a chosen page path.

Upload File

Upload one file and return its public CDN URL, file ID, expiration, and remaining monthly credits.

SETUP GUIDE

Connect Upload to URL 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: ["upload_to_url"],
  mcp: true,
});
Create a session scoped to Upload to URL 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: "Publish an HTML page that says \"Hello from Composio\" and return the public URL",
  stopWhen: stepCountIs(10),
});

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

Connect Upload to URL 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: ["upload_to_url"] });
const tools = await session.tools();
Initialize Composio with the OpenAI Responses provider and create a session scoped to Upload to URL
3

Run Upload to URL tools with your agent

typescript
let response = await client.responses.create({
  model: "gpt-5.6-sol",
  tools,
  input: [{ role: "user", content: "Publish an HTML page that says \"Hello from Composio\" and return the public URL" }],
});

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 Upload to URL tool calls through the session, and print the final answer

Why Use Composio?

AI Native Upload to URL Integration

  • Supports both Upload to URL MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable file upload and page publishing flows
  • Rich coverage for uploading files, publishing HTML, retrieving metadata, and deleting upload records

Managed Auth

  • Securely store and use your Upload to URL API key without hard-coding it in agent code
  • Central place to manage, scope, and revoke Upload to URL access
  • Per user and per environment credentials, so staging and production stay cleanly separated

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve upload reliability over time
  • Comprehensive execution logs so you always know what file or page was created, fetched, or deleted
  • Clear tool schemas help agents choose the right Upload to URL action without guesswork

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Upload to URL
  • Scoped, least privilege access to Upload to URL upload and publishing actions
  • Full audit trail of agent actions to support review, debugging, and compliance
FAQ

Frequently asked questions

Yes, Upload to URL 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.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

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

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