Free hosted dev toolkit: uuid, hash, base64, JWT decode, CSV->JSON, time, JSON tools as MCP
Connect Remote server
claude mcp add --transport http devutils https://devutils.bigfloppy.net/mcp
{
"mcpServers": {
"devutils": {
"url": "https://devutils.bigfloppy.net/mcp"
}
}
}
{
"servers": {
"devutils": {
"type": "http",
"url": "https://devutils.bigfloppy.net/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://devutils.bigfloppy.net/mcp
Tools 10 found in our last check
nowCurrent time (ISO-8601 and unix). Optionally convert an ISO timestamp or unix epoch and get a human-readable relative delta.
uuidGenerate random UUIDv4s (1-100).
hash_textSHA-256, SHA-1, SHA-512 and MD5 hex digests of a text.
base64_encodeBase64-encode a text (UTF-8).
base64_decodeDecode base64 to text (UTF-8). Errors on invalid base64.
jwt_decodeDecode a JWT header + payload (no signature verification), report expiry status.
json_validateValidate a JSON string; on error returns line/column and message.
json_formatPretty-print JSON with 2-space indent.
json_minifyMinify JSON (strip whitespace).
csv_to_jsonConvert CSV (with header row) to an array of row objects.
Details
| Endpoint | https://devutils.bigfloppy.net/mcp (Streamable HTTP) |
| First published | 26 Oct 2026 |
| Last updated | 26 Oct 2026 |
| Registry name | net.bigfloppy.devutils/devutils |
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