Free, fully-offline MCP utility tools for agents: base64, UUID, JSON validation, SHA hashing, timestamps, URL codec, case conversion, and secure passwords. No API keys, no tracking, works offline - stdlib-only Python stdio server.
Enables encoding text to HTML entities and decoding HTML entities back to plain text, supporting basic and extended modes, offline and without API keys.
Provides cryptographic hash and HMAC computation for text, supporting algorithms like md5, sha1, sha256, sha384, and sha512. All operations are performed locally without transmitting or storing input data.
A unified developer toolbox MCP server providing utilities for base64, JWT, timestamps, UUID, JSON formatting, hashing, URL handling, case conversion, color conversion, number bases, string operations, and regex.