free tools hooks

6 tagged free tools, measured the same way as everything else here.

Browse within: ai-prompts 6chatgpt 6co-intelligence 6

PreToolUse

01

Exponential-OS/prompt-engineering-in-action

Hook Claude Code

Runs before the agent uses a tool for Bash tool calls, executing preflight-cd-git-block.sh. From Exponential-OS/prompt-engineering-in-action.

9 15d ago A tokens not measured AGPL-3.0

SessionStart

02

Exponential-OS/prompt-engineering-in-action

Hook

Runs when a session starts on compact, executing install-survival-layer.sh, session-start.sh and postcompact-handoff-reminder.ts via bash (3 commands). From Exponential-OS/prompt-engineering-in-action.

9 15d ago A tokens not measured AGPL-3.0

Stop

03

Exponential-OS/prompt-engineering-in-action

Hook

Runs when the agent finishes a response, executing status-liveness-check.ts, unit-of-work-check.ts, local-test-nudge.ts and cost-routing-nudge.ts via bun (4 commands). From Exponential-OS/prompt-engineering-in-action.

9 15d ago A tokens not measured AGPL-3.0