Claudius
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sd0x-dev-flow

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Harness layer for Claude Code with hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety.

by sd0xdev·sd0xdev/sd0x-dev-flow·JavaScript·v3.0.12
50· C
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/plugin marketplace add sd0xdev/sd0x-dev-flow
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About

The harness layer for Claude Code.

Quality gates that AI can't skip. A reference implementation of AI Agent Harness Engineering for Claude Code — hook-enforced dual review, state-machine gates that survive context compaction, and fail-closed safety where it counts.

Harness engineering is the discipline of engineering everything around the LLM — tool loops, context management, hooks, state machines, safety layers — as opposed to training the model itself. Mitchell Hashimoto coined the term in Feb 2026; Anthropic engineering and Martin Fowler have published on it; arXiv 2603.05344 formalizes it.

sd0x-dev-flow is a reference implementation. Each row below maps a canonical harness sub-problem to concrete code you can study:

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15 agentsarchitecture-designerbrief-writercode-simplifiercodex-architectcodex-implementercoverage-analystdoc-refactorfeasibility-analystgit-investigatorperformance-optimizerrefactor-reviewersolution-architectstrict-reviewertech-spec-reviewerverify-app
96 skillsarchitectureaskbest-practicesbug-fixbump-versioncheck-coverageclaude-healthcode-explorecode-investigatecodex-architectcodex-brainstormcodex-cli-reviewcodex-code-reviewcodex-explaincodex-implementcodex-review-branchcodex-review-doccodex-review-fastcodex-reviewcodex-securitycodex-setupcodex-test-gencodex-test-reviewcontract-decode+72 more
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workflowsafetycode-review#harness#hooks#quality-gates#safety#review#agent-harness#claude-code-plugin#codex#harness-engineering#skills