devOS: MCP Server for Collaborative Memory in Coding Agents

black_phoenix9 · reddit · 2026-08-26

devOS is an MCP server designed to solve the "single-player" limitation of coding agents. It captures the reasoning process from agent sessions—the choices made, alternatives rejected, and the rationale—and serves it back via MCP. This allows subsequent agent sessions, whether from a teammate or a different agent like Claude Code or Codex, to inherit context. It provides tools like askdevos to query decision rationale and checkpriordecisions to avoid redundant work. The product is currently hosted, macOS-only, supports BYOK or subscription-based extraction, and ensures source files stay local.

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