An MCP server that gives your AI assistant 17 developer utilities — base64, UUID, JWT decode, cron, timestamps, JSON, regex. No API keys, no external services, just npx.
Mcp Server Devutils is an MCP project maintained in the ofershap/mcp-server-devutils repository. The maintainer describes its purpose as “An MCP server that gives your AI assistant 17 developer utilities — base64, UUID, JWT decode, cron, timestamps, JSON, regex. No API keys, no external…”. Read the project documentation for the complete scope.
The documented npm package is mcp-server-devutils. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| base64_encode | Encode a string to Base64 |
| base64_decode | Decode a Base64 string |
| uuid_generate | Generate one or more UUIDs (v4) |
| ulid_generate | Generate a ULID |
| hash | Hash a string (md5, sha1, sha256, sha384, sha512) |
| hash_all | Hash with all algorithms at once |
| jwt_decode | Decode a JWT token (header, payload, expiry) |
| cron_explain | Explain a cron expression in plain English |
| cron_validate | Validate a cron expression |
| cron_next | Show next N run times for a cron expression |
| timestamp_to_iso | Convert Unix timestamp to ISO 8601 |
| iso_to_timestamp | Convert ISO 8601 to Unix timestamp |
| timestamp_now | Get current time in multiple formats |
| json_format | Pretty-print a JSON string |
| json_minify | Minify a JSON string |
| json_validate | Validate JSON and report its type |
| regex_test | Test a regex pattern against a string |
{
"mcpServers": {
"devutils": {
"command": "npx",
"args": [
"-y",
"mcp-server-devutils"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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