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sd0xdev/sd0x-harness

The harness layer for Claude Code — a reference implementation of harness engineering with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts. Quality gates that AI can't skip.

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64Mods indexed here, across every type
2d agoLast push, which is what freshness is scored on
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SessionStart

01

sd0xdev/sd0x-harness

Hook

Runs when a session starts on startup, compact and compact, executing namespace-hint.sh and post-compact-auto-loop.sh (2 commands). From sd0xdev/sd0x-harness.

188 2d ago A tokens not measured original MIT

PreToolUse

02

sd0xdev/sd0x-harness

Hook

Runs before the agent uses a tool for Edit, Write and NotebookEdit tool calls, executing pre-edit-guard.sh. From sd0xdev/sd0x-harness.

188 2d ago A tokens not measured copy · 66% MIT

PostToolUse

03

sd0xdev/sd0x-harness

Hook

Runs after a tool call finishes for Edit, Write, NotebookEdit and Skill tool calls, executing post-edit-format.sh and post-skill-auto-loop.sh (2 commands). From sd0xdev/sd0x-harness.

188 2d ago A tokens not measured original MIT

Stop

04

sd0xdev/sd0x-harness

Hook

Runs when the agent finishes a response, executing stop-guard.sh. From sd0xdev/sd0x-harness.

188 2d ago A tokens not measured copy · 64% MIT

UserPromptSubmit

05

sd0xdev/sd0x-harness

Hook

Runs when you submit a prompt, before the agent sees it, executing user-prompt-review-guard.sh. From sd0xdev/sd0x-harness.

188 2d ago A tokens not measured original MIT