High-ratio JSONL compressor with block-level random access. ~9% ratio on log data - compression smaller than gzip/zstd. Cut S3 storage and egress costs. Free for personal and open-source use.

Policy enforcement proxy for MCP tool calls: detect leaks, block risky actions, redact sensitive payloads, and log every decision.

A practical guide for building secure sandboxes using gVisor, JWT authentication, and network egress controls to isolate untrusted code.