Author

David Mytton

David Mytton

CEO of Arcjet (helping developers protect their apps). Co-Founder of Console (the best tools for developers). Researching sustainable computing at the University of Oxford.

Introducing Agent Runtime Security: Observe, Enforce, Audit

The two speeds of AI agent runtime security

SDK releases, security briefing improvements, new activity view

Running PII detection locally with the Rampart NER model

SDK performance releases and proxy detection

Making Arcjet's Wasm bot detector smaller and faster

Announcing advanced bot signals to detect automation without CAPTCHAs

Designing a CLI for AI agents

Unified skills, Python docs, email management

Serving AI models with Open Inference Protocol APIs

Arcjet CLI and team management

How we defend MCP tool outputs from prompt injection

Introducing Arcjet Guards: security inside the agent loop

Building a production MCP server in Go

Advanced client signals, request filtering, build with agents

From devcontainers to VMs: parallel dev environments for AI agents

Arcjet MCP server, coding agent plugins, weekly security briefing

Developers can finally own security

Introducing Arcjet AI prompt injection protection

Arcjet JS SDK v1.0: Stability as a Developer Feature

Arcjet’s 2025: Shipping the Security Developers Actually Use

Introducing the Arcjet Python SDK beta

Arcjet's tech stack

Security is just another feature

Introducing Arcjet’s local AI security model + announcing Series A funding

Introducing Arcjet filters to quickly implement access rules

How long until we need to block Google?

How Arcjet approaches open source

Arcjet product philosophy: products & primitives

Devcontainers, Little Snitch, macOS TCC - protecting developer laptops

How we run Arcjet like an open source project

Low latency global routing with AWS Global Accelerator

Building a minimalist web server using the Go standard library + Tailwind CSS

Nosecone: a library for setting security headers in Next.js, SvelteKit, Node.js, Bun, and Deno

Announcing the Arcjet NestJS & Remix adapters

How we achieve our 25ms p95 response time SLA

New SDK release for Next.js 15

Lessons from running WebAssembly in production with Go & Wazero

New features to protect your site from AI scrapers and other bots

Introducing sensitive information detection & redaction + the Arcjet LangChain integration

Launching the future of developer security + seed funding from a16z

Whatever happened to DevSecOps?

Arcjet changelog 2024-08

Podcast: Security is moving to the frontend?!

Minimizing latency for humans & machines

WebAssembly on the server: Compiling Rust to WASM and executing it from Go

Arcjet changelog 2024-06

Arcjet changelog 2024-04

Arcjet changelog 2024-03

Approaches to keeping doc code samples up to date

Reviewing AWS ElastiCache Serverless

Calling Rust FFI libraries from Go