Observed arrival · 2026-08-31
Vessel, the LLM Traffic Flight Recorder
A local-first proxy that captures, searches, replays, and compares traffic between LLM clients and Ollama, OpenAI, Anthropic, or compatible backends.
Field notes
Vessel operates by replacing an LLM client’s backend URL with a local proxy address, illustrated with an Ollama setting at 127.0.0.1:4550 and an OpenAI-compatible path. The page says it records streamed and ordinary traffic byte-for-byte, alongside timing, time-to-first-token, and token counts. Its read-only MCP server exposes captured traffic to Claude Code or another MCP client for search and inspection, while replay enables side-by-side model comparisons.
Observed signals
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Editorial observations of this landing page, not a rating.
One card from the complete issue