Enables AI agents to encode text to base64 or decode base64 back to plaintext, with support for standard and URL-safe variants and pay-per-call micropayments via x402.
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.