op-toolslisted
Install: claude install-skill TimTGelhard/ACHRON-spine
# op-tools — which tool when
Picking the right tool isn't optional — it's how Claude controls context cost, latency, and correctness. Read ONE category file per task.
## Index
| Question / situation | Atomic file |
|---|---|
| General principles, "choose between similar tools" table | `~/.achron-spine/chapters/tools/15-selection-principles.md` |
| Reading / editing / writing files (Read / Edit / Write / NotebookEdit) | `~/.achron-spine/chapters/tools/15a-file-ops.md` |
| Searching code (grep, find, Agent Explore) | `~/.achron-spine/chapters/tools/15b-search.md` |
| Running shell commands (Bash, Monitor, backgrounding) | `~/.achron-spine/chapters/tools/15c-execution.md` |
| Planning (plan mode) and in-session tracking (TaskCreate) | `~/.achron-spine/chapters/tools/15d-planning.md` |
| Delegating to a subagent (Agent tool mechanics) | `~/.achron-spine/chapters/tools/15e-delegation.md` |
| Scheduling work (ScheduleWakeup, /loop, /schedule, Cron) | `~/.achron-spine/chapters/tools/15f-scheduling.md` |
| Web access (WebFetch, WebSearch) | `~/.achron-spine/chapters/tools/15g-web.md` |
| MCP integrations (Chrome DevTools, Context7, Playwright, audit) | `~/.achron-spine/chapters/tools/15h-mcp.md` |
| Slash commands tier list and when to reach for them first | `~/.achron-spine/chapters/tools/15i-slash-commands.md` |
| Tool choice has a cost / quota / model angle (ultra-review, long loop, fan-out) | `~/.achron-spine/chapters/personalization/19f-subscription-aware.md` |
## How to use