Show DEV: Strata – Inspect your coding agent sessions
Today we're open sourcing Strata , the session infrastructure that powers Stele. https://github.com/Stele-Dev/strata Coding agents already leave surprisingly rich trails on your computer: prompts, responses, reasoning, tool calls, results, timing, token usage, cost, injected context, subagents, and more. The problem is that every agent stores this differently. Strata turns those trajectories into…
Strata, the open-source session infrastructure powering Stele, has been released. Coding agents generate rich data trails, including prompts, responses, tool calls, and more. However, each agent stores this data differently. Strata standardizes this information through a CLI and TypeScript API. Users can search past sessions, inspect transcripts, analyze tool usage, examine token usage and costs, replay agent trajectories, and monitor real-time agent activity.
Currently, Strata supports various coding agents such as Claude Code, Codex, Cursor, DeepSeek Harness, Gemini CLI, GitHub Copilot CLI, Kimi, OpenCode, and Pi. Agents can even learn to use the CLI by running `strata --skill`, enabling them to search previous sessions, understand decision-making processes, and observe other agents' work in real-time.
Plans include adding a message bus for direct communication between local agents through Strata. Strata remains on your machine, ensuring local-only, read-only operations without telemetry. MIT licensed, Strata repurposes the trail data that coding agents already produce, making it accessible and understandable.
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