Validation

ISBN Validator

Validate ISBN-10 and ISBN-13 book number formats with checksum verification

text· Text resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/isbn-validator' \
  -H 'Content-Type: application/json' \
  -d '{"isbn":"Enter ISBN-10 or ISBN-13 (e.g., 978-0-306-40615-7 or 0-306-40615-2)..."}'

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/isbn-validator

Parameters

Name	Type	Required	Description
isbn	text	Yes	—

Response format

Text result

JSON

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}

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-isbn-validator": {
      "name": "isbn-validator",
      "description": "Validate ISBN-10 and ISBN-13 book number formats with checksum verification",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=isbn-validator",
      "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": "isbn-validator",
    "arguments": {
  "isbn": "Enter ISBN-10 or ISBN-13 (e.g., 978-0-306-40615-7 or 0-306-40615-2)..."
}
  }
}

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/isbn-validator' \ -H 'Content-Type: application/json' \ -d '{"isbn":"Enter ISBN-10 or ISBN-13 (e.g., 978-0-306-40615-7 or 0-306-40615-2)..."}'

Name

Type

Required

Description

isbn

text

Yes

—

{ "mcpServers": { "elysiatools-isbn-validator": { "name": "isbn-validator", "description": "Validate ISBN-10 and ISBN-13 book number formats with checksum verification", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=isbn-validator", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "isbn-validator", "arguments": { "isbn": "Enter ISBN-10 or ISBN-13 (e.g., 978-0-306-40615-7 or 0-306-40615-2)..." } } }