Development

JavaScript Minifier

Compress JavaScript code

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/javascript-minifier' \
  -H 'Content-Type: application/json' \
  -d '{"jsCode":"Enter JavaScript code to minify...","compressLevel":"basic","mangle":true,"preserveComments":false,"ecmaVersion":"2020"}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/javascript-minifier

Parameters

Name	Type	Required	Description
jsCode	textarea	Yes	—
compressLevel	select	Yes	—
mangle	checkbox	No	—
preserveComments	checkbox	No	—
ecmaVersion	select	Yes	—

Response format

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-javascript-minifier": {
      "name": "javascript-minifier",
      "description": "Compress JavaScript code",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=javascript-minifier",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "javascript-minifier",
    "arguments": {
  "jsCode": "Enter JavaScript code to minify...",
  "compressLevel": "basic",
  "mangle": true,
  "preserveComments": false,
  "ecmaVersion": "2020"
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

Browse tools Open tool

curl -X POST 'https://api.elysiatools.com/en/api/tools/javascript-minifier' \ -H 'Content-Type: application/json' \ -d '{"jsCode":"Enter JavaScript code to minify...","compressLevel":"basic","mangle":true,"preserveComments":false,"ecmaVersion":"2020"}'

Name

Type

Required

Description

jsCode

textarea

Yes

—

compressLevel

select

Yes

—

mangle

checkbox

—

preserveComments

checkbox

—

ecmaVersion

select

Yes

—

{ "mcpServers": { "elysiatools-javascript-minifier": { "name": "javascript-minifier", "description": "Compress JavaScript code", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=javascript-minifier", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "javascript-minifier", "arguments": { "jsCode": "Enter JavaScript code to minify...", "compressLevel": "basic", "mangle": true, "preserveComments": false, "ecmaVersion": "2020" } } }