Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http checksum-validator https://apished.com/mcp/v1/checksum~/.codex/config.toml
[mcp_servers.checksum-validator]
url = "https://apished.com/mcp/v1/checksum"
# codex mcp add checksum-validator --url https://apished.com/mcp/v1/checksum~/.cursor/mcp.json
{
"mcpServers": {
"checksum-validator": {
"url": "https://apished.com/mcp/v1/checksum"
}
}
}.vscode/mcp.json
{
"servers": {
"checksum-validator": {
"type": "http",
"url": "https://apished.com/mcp/v1/checksum"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"checksum-validator": {
"httpUrl": "https://apished.com/mcp/v1/checksum"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"checksum-validator": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://apished.com/mcp/v1/checksum"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"checksum-validator": {
"url": "https://apished.com/mcp/v1/checksum"
}
}
}