Mcp Server Devutils

Name: Mcp Server Devutils
Author: ofershap

@ofershap

代码仓库

关于 Mcp Server Devutils

Zero-auth MCP server with everyday developer utilities: base64, UUID, hash, JWT decode, cron, timestamps, JSON, regex

基本信息

分类

开发工具

许可证

MIT

运行时

node

传输方式

stdio

发布者

ofershap

提交者

Ofer Shapira

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "devutils": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-devutils"
      ]
    }
  }
}

工具

Encode a string to Base64

Decode a Base64 string

Generate one or more UUIDs (v4)

Generate a ULID

Hash a string (md5, sha1, sha256, sha384, sha512)

Hash with all algorithms at once

Decode a JWT token (header, payload, expiry)

Explain a cron expression in plain English

Validate a cron expression

Show next N run times for a cron expression

Convert Unix timestamp to ISO 8601

Convert ISO 8601 to Unix timestamp

Get current time in multiple formats

Pretty-print a JSON string

Minify a JSON string

Validate JSON and report its type

Test a regex pattern against a string

概览

What is Mcp Server Devutils?

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.

How to use Mcp Server Devutils?

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.

Key features of Mcp Server Devutils

Base64 encode and decode
UUID (v4) and ULID generation
Hash strings with MD5, SHA-1, SHA-256, SHA-384, SHA-512
Decode JWT tokens (header, payload, expiry)
Explain, validate, and compute next runs for cron expressions
Convert between Unix timestamps and ISO 8601
Format, minify, and validate JSON
Test regex patterns against strings

Use cases of Mcp Server Devutils

Decode a JWT token to inspect its header, payload, and expiration
Explain a cron expression in plain English
Generate multiple UUIDs for identifiers
Hash a string with a specific algorithm
Convert a Unix timestamp to a human-readable date
Pretty-print or validate a JSON string

FAQ from Mcp Server Devutils

What tools are included?

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.

Do I need an API key or external service?

No. The server runs entirely locally via npx and requires zero authentication. No API keys or external services are needed.

Which AI assistants are supported?

Mcp Server Devutils works with Claude Desktop, Cursor, and VS Code Copilot (via the MCP protocol).

How do I install and configure it?

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.