SDK performance releases and proxy detectionWhat's new in Arcjet (2026-06-12). New versions for each of our JS, Python, and Go SDKs to improve performance and detect proxies.Arcjet blog·4d ago·2 min readArcjetthe 1.5.0 JS SDK releasedocs for detailsJS
Making Arcjet's Wasm bot detector smaller and fasterReducing WebAssembly bundle size: how Arcjet shrank its Rust bot detector 27% with Aho-Corasick, keeping per-request memory isolation and using Wizer snapshots.Arcjet blog·6d ago·10 min readArcjetwrittenthisEdge runtime
How we defend MCP tool outputs from prompt injectionHow we defend Arcjet’s MCP tool outputs from prompt injection by separating trusted guidance from untrusted evidence in structured responses.Arcjet blog·May 13·7 min readArcjet’s MCP serverprovides excellent scaffoldingArcjetprompt injections on the web
