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Supervise the agents that build your OpenSpec changes

First published on openspec-ui.dev . OpenSpec gives an agent something to build from: a proposal, a design, a list of tasks, and the spec deltas the change will leave behind.

  • OpenSpec Workbench runs agent CLI during changes.
  • Provides real-time updates and stop capability.
  • Supports Claude, GitHub Copilot, Codex, Gemini, DeepSeek agents.

The Cleaner vs Data Leaks: Sanitizing LLM Context

In Part 1 of this series , we laid out the anatomy of an agentic disaster and introduced our in-process tactical squad: The AG-Men .

  • The Cleaner prevents data leaks by sanitizing LLM context.
  • Operates on zero-trust doctrine, masking PII in memory.
  • Intercepts payloads at front door and tool boundary to enforce boundary isolation.

Claude Code Subagents Were 48% of My Bill. Their Output Was 0.9%

I thought my expensive Claude Code habit was long sessions. I was half right. When I finally broke down a month of usage, Claude Code subagents cost 48% of my entire bill , and the tokens they wrote…

  • Claude Code subagents comprised 48% of the budget
  • Subagents' output accounted for only 0.9% of costs
  • Fan-out workflows drove 48% of the expense

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