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Profiterole

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3 MCP Servers That Give Claude Desktop Superpowers for Everyday Dev Tasks

#mcp #ai #productivity #javascript

If you're using Claude Desktop (or any MCP-compatible client), you already know the basics: chat, code generation, analysis. But MCP servers let you extend Claude with tools it can call directly — no copy-pasting, no context switching.

I've been building MCP servers focused on the small, repetitive tasks developers do dozens of times a day. Here are three that might save you some time.

1. mcp-devutils — 13 Utilities in One Server 

npx mcp-devutils
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This is the Swiss Army knife. It bundles 13 tools:

  • UUID generation (v4)
  • Hash & HMAC (SHA-256, MD5, etc.)
  • Base64 encode/decode
  • JWT decode (without verification — great for debugging)
  • Timestamps — convert between Unix, ISO 8601, and human-readable
  • URL encode/decode
  • JSON formatter with configurable indentation
  • Regex tester — test patterns against input strings
  • Cron expression explainer — "what does 0 */4 * * * mean?"
  • Color converter — hex ↔ RGB ↔ HSL
  • Semver comparison
  • Random string generator

The typical use case: you're debugging an API response, and you need to decode a JWT, check a timestamp, and validate a UUID — all in one conversation without leaving Claude.

Add to Claude Desktop (claude_desktop_config.json):

{
  "mcpServers": {
    "devutils": {
      "command": "npx",
      "args": ["-y", "mcp-devutils"]
    }
  }
}
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2. mcp-apitools — Web Dev Utilities 

npx mcp-apitools
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This one focuses on API and web development:

  • HTTP status code lookup — "what's a 422 again?"
  • MIME type detection — get the right Content-Type for any file extension
  • JWT creation — generate signed tokens for testing
  • Mock data generation — names, emails, addresses for test fixtures
  • CORS header builder — generate the right headers for your use case
  • Cookie parser — decode Set-Cookie headers

Useful when you're wiring up endpoints and need to quickly check status codes, generate test data, or debug CORS issues.

3. mcp-texttools — Text Transformations 

npx mcp-texttools
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Ten text tools for when you're processing strings:

  • Case conversion — camelCase, snake_case, PascalCase, kebab-case
  • Slugify — turn any string into a URL-safe slug
  • Word & character count
  • Lorem ipsum generator
  • Smart truncate — truncate at word boundaries
  • Regex replace
  • Markdown strip — extract plain text from Markdown
  • Line sort — alphabetical, numerical, reverse
  • String reverse

Handy for content processing, documentation cleanup, or generating slugs for blog posts.

Why MCP Servers Over Built-in Tools?

Claude can already do most of these things with plain code execution. So why bother?

  1. Speed — tool calls are instant, no waiting for code to run
  2. Consistency — same interface every time, no prompt engineering needed
  3. Composability — Claude chains tools together automatically. "Decode this JWT, convert the iat timestamp to human-readable, and check if it's expired" becomes one request

Try Them Out

All three install via npx with zero config:

npx mcp-devutils
npx mcp-apitools
npx mcp-texttools
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They're open source and follow the MCP stdio transport spec. Feedback welcome — I'm actively developing these based on what developers actually use day-to-day.

What MCP servers are you using with Claude Desktop? Drop a comment — I'm always looking for new tools to try.

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