@ofershap
基本情報
Zero-auth MCP server with everyday developer utilities: base64, UUID, hash, JWT decode, cron, timestamps, JSON, regex
以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。
{
"mcpServers": {
"devutils": {
"command": "npx",
"args": [
"-y",
"mcp-server-devutils"
]
}
}
}Encode a string to Base64
Decode a Base64 string
Generate one or more UUIDs (v4)
Generate a ULID (Universally Unique Lexicographically Sortable Identifier)
Hash a string using a specified algorithm. Supported: md5, sha1, sha256, sha384, sha512
Hash a string with all supported algorithms at once
Decode a JWT token (without verification) and show header, payload, expiry
Explain a cron expression in plain English
Validate a cron expression
Show the next N run times for a cron expression
Convert a Unix timestamp to ISO 8601 date string
Convert an ISO 8601 date string to Unix timestamp
Get the current time in multiple formats
Pretty-print / format a JSON string
Minify a JSON string (remove whitespace)
Validate a JSON string and report its type
Test a regular expression against a string
Mcp Server Devutils is an MCP server that provides 17 developer utilities—base64, UUID, JWT decode, cron, timestamps, JSON, and regex—for AI assistants. It works with Claude Desktop, Cursor, and VS Code Copilot, requires no API keys or external services, and runs via npx.
Add the server to your MCP client’s configuration file (e.g., claude_desktop_config.json, .cursor/mcp.json, or .vscode/mcp.json) using the command npx -y mcp-server-devutils. No installation or API keys are needed; your AI assistant can then invoke any of the 17 tools.
The server includes 17 tools: `base64_encode`, `base64_decode`, `uuid_generate`, `ulid_generate`, `hash`, `hash_all`, `jwt_decode`, `cron_explain`, `cron_validate`, `cron_next`, `timestamp_to_iso`, `iso_to_timestamp`, `timestamp_now`, `json_format`, `json_minify`, `json_validate`, and `regex_test`.
No. The server runs entirely locally via `npx` and requires zero authentication. No API keys or external services are needed.
Mcp Server Devutils works with Claude Desktop, Cursor, and VS Code Copilot (via the MCP protocol).
No installation is required. Add the server to your client’s MCP configuration file with the command `npx -y mcp-server-devutils`. Examples for each client are provided in the README.
Yes, it is released under the MIT License.
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