Denver-based software engineer and open source contributor focused on AI agent infrastructure and security. Creator of stereOS, a Linux-based operating system for running AI agents with security hardening, and tapes, an open-source telemetry tool for transparent AI agent monitoring.
johncodes.com ↗tapes captures your AI agent data, and a cassette is a small service that adds your own capabilities on top of it, served through the tapes API. This post walks through building one end to end: the API, its OpenAPI spec, and an MCP tool.
Read more →How we're building the free and open source building-blocks for the future of AI data
Read more →What we see our AI agents doing may not be exactly what's going on under the hood.
Read more →How we built tapes to be a durable, cryptographically secure agent dataset
Read more →stereOS is a NixOS based operating system designed for AI agents to be secure, self-managed, and efficient
Read more →How we solved the pain of cross-compiling Go projects with C dependencies by combining Zig as a drop-in compiler, Dagger for reproducible builds, and osxcross for macOS targets.
Read more →We built tapes to solve the observability gap in AI agent infrastructure. Every session recorded, every decision searchable, every conversation replayable.
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