quantum-loop
Quantum-Loop is a Claude Code plugin plus scripts that implements a spec-driven autonomous coding loop: it turns a one-line feature description into structured PRD/spec artifacts, builds an execution dependency DAG, runs TDD/quality checks with two-stage review gates, enforces “fresh verification evidence” (Iron Law), and iterates with retry/failure logging until stories pass and then performs cross-story integration before committing changes.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Security analysis is limited by provided documentation. Strengths: evidence-based verification and explicit contract enforcement (e.g., shared secret key names) reduce logical drift; worktree isolation can limit cross-story contamination. Concerns: running autonomous agents that modify and commit code increases risk of accidental or malicious changes depending on repository permissions; README does not detail how secrets are protected from logging beyond general mention of contracts (e.g., secret key names). No explicit TLS/auth model is applicable since it is local plugin/CLI behavior; dependency hygiene and CVE status are not verifiable from the provided content.
⚡ Reliability
Best When
You want a disciplined, autonomous coding workflow that minimizes spec drift and “looks good” claims by using evidence-based verification and gated reviews—especially for multi-story changes with dependencies.
Avoid When
You need a simple one-shot code generator or you can’t permit running multiple background agents/worktrees and committing to a local repo.
Use Cases
- • Autonomously implementing a feature from a short description with structured PRD/spec and acceptance criteria
- • Reducing agent “hallucinated completion” by requiring fresh command outputs for verification
- • Managing complex multi-part changes with dependency ordering (DAG) and parallel worktrees
- • Enforcing code quality via stage-1 spec compliance and stage-2 code quality review gates
- • Running overnight/iterative coding sessions with persistent state (quantum.json) and retry logic
Not For
- • Production systems needing a stable, externally hosted API/SaaS interface
- • Environments where agents are not allowed to modify repositories/commit changes
- • Use cases that require strict data residency/compliance guarantees not addressed by the tool itself
- • Teams that want lightweight prompting without heavy governance/review gates
Interface
Authentication
No external API authentication described. The main interaction is via Claude Code plugin commands and local scripts that run agents and git operations.
Pricing
Pricing not applicable/unspecified in provided README content; cost depends on Claude Code/model usage during autonomous runs.
Agent Metadata
Known Gotchas
- ⚠ Parallel worktrees may still cause conflicts if story file-conflict filtering misses edge cases; merges/retries depend on the orchestrator’s filtering and git behavior.
- ⚠ Agents must commit before signaling; if an agent crashes or times out, uncommitted work in its worktree can be lost per README.
- ⚠ Python isolation is described as PYTHONPATH injection to avoid editable-install races; if a project relies on editable installs, behavior may differ.
- ⚠ Parallel agents share a single Python interpreter; concurrency-sensitive test/build steps could still interfere depending on project tooling.
- ⚠ Timeout/stale detection defaults (e.g., 15 min execution, 20 min staleThreshold) may cause extra retries for slow CI-like tasks.
Alternatives
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Scores are editorial opinions as of 2026-03-30.