Development
HTTP Request Tester
A lightweight in-browser HTTP client (mini Postman): send GET/POST/PUT/DELETE requests with custom headers and body, inspect status, headers, timing, and formatted response — all from your browser
interactive· Interactive resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/http-request-tester' \
-H 'Content-Type: application/json' \
-d '{"url":"https://api.example.com/endpoint","method":"GET","headers":"Authorization: Bearer token\nAccept: application/json","body":"{ \"key\": \"value\" }","bodyType":"None","followRedirects":true,"includeTiming":true}'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/http-request-testerParameters
| Name | Type | Required | Description |
|---|---|---|---|
| url | text | No | — |
| method | select | No | — |
| headers | textarea | No | — |
| body | textarea | No | — |
| bodyType | select | No | — |
| followRedirects |
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-http-request-tester": {
"name": "http-request-tester",
"description": "A lightweight in-browser HTTP client (mini Postman): send GET/POST/PUT/DELETE requests with custom headers and body, inspect status, headers, timing, and formatted response — all from your browser",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=http-request-tester",
"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": "http-request-tester",
"arguments": {
"url": "https://api.example.com/endpoint",
"method": "GET",
"headers": "Authorization: Bearer token\nAccept: application/json",
"body": "{ \"key\": \"value\" }",
"bodyType": "None",
"followRedirects": true,
"includeTiming": true
}
}
}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).