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Dev.to
7/8/2026
The original title is "Building Lens: A Transparent Network Introspection Tool in Rust"

The original title is "Building Lens: A Transparent Network Introspection Tool in Rust"

Original: Building Lens: A Transparent Network Introspection Tool in Rust

Short summary

Lens is an open-source Rust project that visualizes application traffic during local development using a transparent proxy architecture, eliminating the need to manually piece together logs and packet captures. It currently supports HTTP/1.1 and PostgreSQL protocol decoding with automatic secret redaction, a modular Cargo workspace, and a plugin-oriented design. The author is seeking feedback on the architecture and contributions from developers experienced in async networking and protocol parsing.

  • Open-source Rust tool for live network traffic visualization during local development
  • Transparent proxy architecture with HTTP/1.1 and PostgreSQL support, secret redaction, and plugin system
  • Seeking community feedback and contributors for async networking and protocol parsing work

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