Convex MCP server

use ::base64::{ decode_config, encode_config, URL_SAFE_NO_PAD, }; pub fn encode_urlsafe(buf: &[u8]) -> String { encode_config(buf, URL_SAFE_NO_PAD) } pub fn decode_urlsafe(buf: &str) -> anyhow::Result<Vec<u8>> { Ok(decode_config(buf, URL_SAFE_NO_PAD)?) }