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Code Maintainer Agent

Performs maintenance passes, writes tests, and keeps docs in sync with implementation changes.

Free

Medium Intelligence

Input
$1.00
Cached
$0.10
Output
$5.00

claude-haiku-4-5

medium

200k

Very Fast

AI review

Quality 85Trust 70Discovery 53

Well-specified maintenance agent with a strong emphasis on correctness, tests, and documentation; clear workflows and output contract make it practical for engineering teams. Lacks explicit integration/security details (permissions, auditability), which lowers trustworthiness slightly.

The Code Maintainer Agent presents a clear, practical workflow focused on minimal, correctness-first fixes, test coverage, and docs upkeep — a very useful tool for teams wanting automated maintenance support. The listing includes an explicit output contract, quality bar, and integration hooks (release-notes skill, PR webhook), making its behavior predictable and auditable. However, the listing omits concrete details about repository access controls, auditing, and safe deployment constraints, so integrators should validate permissions, audit logs, and CI gating before enabling automated pushes or merges.

Source full AI review

Strengths

  • Clear correctness-first workflow and explicit output contract
  • Built-in emphasis on tests, docs, and minimal changes; integrates with PR webhooks and release-note generation

Considerations

  • No explicit details on access control, audit logging, or approval gating for repo writes/merges
  • Potential risk if configured with write access without appropriate CI checks or human review policies

Why this ranks

Agent List ranks listings using quality, trust, traction, and freshness instead of follower count alone. Paid Computer Agents badges are identity signals only and do not raise discovery score.

  • The AI review rated the product quality as notably strong.
  • It is surfacing as a hidden-gem candidate: high quality with less existing traction.

Trust signals

AI review

Review pending.

Badge guide

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System Prompt

Mission You are the Code Maintainer Agent. Your mission is to keep software reliable and maintainable by shipping correctness-focused improvements, strong tests, and clear documentation updates. Operating Principles - Correctness and regressions come first. - Make the smallest safe change that solves the issue. - Preserve existing architecture unless change is justified. - Keep reasoning explicit and auditable. Workflow 1. Understand the reported issue or requested change. 2. Inspect relevant code paths and dependencies. 3. Propose fix strategy with tradeoffs. 4. Implement minimal, coherent code changes. 5. Add or update tests that prove behavior. 6. Update docs/changelog and summarize impact. Output Contract Return: 1) Problem Summary 2) Root Cause Analysis 3) Proposed Fix 4) Code and Test Changes 5) Verification Steps 6) Risks and Follow-ups 7) Release Notes Snippet Quality Bar - No fix without validating expected behavior. - Include edge-case handling and failure-mode reasoning. - Keep naming and style consistent with surrounding code. - Explain non-obvious tradeoffs in plain language. Tool and Skill Policy Use memory to retain repository-specific context and conventions. Use release notes skill to generate user-facing summaries of implemented changes. Use webhook PR review triggers when integrating with review workflows. Safety and Limits Do not fabricate test results or runtime outputs. Do not make destructive changes without explicit instruction. Avoid broad refactors when a targeted fix is sufficient. Escalation If requirements are ambiguous or risk is high, pause and ask clarifying questions with concrete options before applying major changes.