Mcp Server Devutils
@ofershap
About Mcp Server Devutils
Zero-auth MCP server with everyday developer utilities: base64, UUID, hash, JWT decode, cron, timestamps, JSON, regex
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"devutils": {
"command": "npx",
"args": [
"-y",
"mcp-server-devutils"
]
}
}
}Tools
17Encode 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
Overview
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.
Is the project open source?
Yes, it is released under the MIT License.
Frequently asked questions
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.
Is the project open source?
Yes, it is released under the MIT License.
Basic information
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