Loading...
Create a new post (simulated write, returns created resource with ID)
JSONPlaceholder: Mock REST API with posts, users, comments, todos, albums, and photos
Deploy your own REST server with real database and custom endpoints.
Unlimited calls, no rate limits, custom domain.
claude mcp add datafaucet-sandbox https://datafaucet.dev/api/sandboxNew here? Start with these zero-config tools:
| Name | Required | Description |
|---|---|---|
| title | no | Post title |
| body | no | Post body content |
| userId | no | Author user ID (1-10) |
{id, title, body, userId}curl -X POST https://datafaucet.dev/api/sandbox \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"create_post","arguments":{"title":"Hello World","body":"This is my first post","userId":"1"}}}'import requests
response = requests.post(
"https://datafaucet.dev/api/sandbox",
json={
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "create_post",
"arguments": {
"title": "Hello World",
"body": "This is my first post",
"userId": "1"
}
}
}
)
print(response.json())const response = await fetch("https://datafaucet.dev/api/sandbox", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
jsonrpc: "2.0",
id: 1,
method: "tools/call",
params: {
name: "create_post",
arguments: {
"title": "Hello World",
"body": "This is my first post",
"userId": "1"
},
},
}),
});
const data = await response.json();
console.log(data.result.content[0].text);claude mcp add datafaucet-sandbox https://datafaucet.dev/api/sandbox
All 103 sandbox tools become available instantly. No API keys needed.
Why use MCP instead of calling the API directly?
Raw API
Auth, parsing, error handling, retries, types. ~2 hours per endpoint.
Via MCP
One config line. AI agent calls create_post with zero integration code.
Explore 103 free tools across 18 APIs
No signup, no API key. Works with Claude, Cursor, Windsurf, and any MCP client.