45 Developer Tools
Inside Your AI Assistant

MCP server for Claude Desktop, Cursor, Windsurf, and any MCP-compatible AI. UUID, hash, JWT, JSON, regex, encryption and more.

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Set up in your editor:
Add to claude_desktop_config.json:
{
  "mcpServers": {
    "devutils": {
      "command": "npx",
      "args": ["-y", "mcp-devutils"]
    }
  }
}
Add to .cursor/mcp.json:
{
  "mcpServers": {
    "devutils": {
      "command": "npx",
      "args": ["-y", "mcp-devutils"]
    }
  }
}
Add to .vscode/mcp.json:
{
  "servers": {
    "devutils": {
      "command": "npx",
      "args": ["-y", "mcp-devutils"]
    }
  }
}
Add to ~/.codeium/windsurf/mcp_config.json:
{
  "mcpServers": {
    "devutils": {
      "command": "npx",
      "args": ["-y", "mcp-devutils"]
    }
  }
}
Run in terminal:
claude mcp add devutils -- npx -y mcp-devutils
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All 45 Tools

uuid
Generate UUID v4
hash
MD5, SHA1, SHA256
base64
Encode/decode
timestamp
Unix ↔ ISO 8601
jwt_decode
Decode JWT tokens
random_string
Random strings
url_encode
URL encode/decode
json_format
Pretty-print/minify
regex_test
Test regex patterns
cron_explain
Explain cron
hmac
HMAC signatures
color_convert
Hex/RGB/HSL
http_status
Status codes
slug
URL-safe slugs
escape_html
HTML entities
yaml_json
YAML ↔ JSON
semver_compare
Compare versions
chmod_calc
Permission calc
diff
Text comparison
number_base
Dec/hex/oct/bin
lorem_ipsum
Placeholder text
word_count
Chars/words/lines
cidr
Network calculator
case_convert
camel/snake/kebab
markdown_toc
Generate TOC
env_parse
Parse .env files
ip_info
IP analysis
password_strength
Entropy analysis
data_size
Bytes converter
string_escape
Multi-format escape
nanoid
Compact unique IDs
csv_json
CSV ↔ JSON
hex_encode
Hex encode/decode
jwt_create
Create JWTs
json_diff
Compare JSON
json_query
JSONPath queries
regex_replace
Regex replace
sql_format
Format SQL
epoch_convert
Epoch timestamps
aes_encrypt
AES encryption
aes_decrypt
AES decryption
rsa_keygen
RSA key pairs
scrypt_hash
Password hashing
char_info
Unicode details
byte_count
Byte/char count