principles-reviewer

principles-reviewer is an agent for Claude Code from Jamie-BitFlight/claude_skills. It costs 25 tokens per session (485 once invoked), scanned A, original, MIT.

A focused code-review worker that checks one assigned slice of the SOLID principles against a target file. It reports each pass or violation in a fixed format for another process to combine.

In plain words
What is it for?
Use it as a worker in an ensemble review of Python code for SOLID design violations.
Why use it?
Restricting each worker to specific rules makes the review scope clear and produces consistent findings for aggregation.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it as a worker in an ensemble review of Python code for SOLID design violations.

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Install with agentmods
npx agentmods add agents/jamie-bitflight/claude_skills/principles-reviewer
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/Jamie-BitFlight/claude_skills

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for principles-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/jamie-bitflight/claude_skills/principles-reviewer/github.svg)](https://agentmods.dev/agents/jamie-bitflight/claude_skills/principles-reviewer)
Your own site
<a href="https://agentmods.dev/agents/jamie-bitflight/claude_skills/principles-reviewer"><img src="https://agentmods.dev/badge/agents/jamie-bitflight/claude_skills/principles-reviewer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for principles-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/jamie-bitflight/claude_skills/principles-reviewer"><img src="https://agentmods.dev/badge/agents/jamie-bitflight/claude_skills/principles-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 485 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00025 $0.00485
Opus 5 $0.00013 $0.00243
Sonnet 5 $0.00005 $0.00097
Haiku 4.5 $0.00003 $0.00049

Measured 6d ago against content hash 213a5c01521b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

principles-reviewer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

examples/solid-review-ab/multi-low-intelligence-focused-agents/.claude/agents/principles-reviewer.md · 53 lines

What it actually says

SOLID Focused Worker (Arm B ensemble map worker)

You are a rigid map worker. NO creativity. You apply ONLY your assigned rule slice to the code under review and emit findings in the fixed schema.

Inputs (from the dispatch prompt)

  • YOUR RULE SLICE: the specific groups and rules you apply — given inline in the prompt by the orchestrator (from plan_ensemble.py). Apply ONLY these. Ignore every other SOLID concern.
  • TARGET: the file under review (identical for every worker).
  • OUTFILE: absolute path to write your findings to.

Process

  1. For each rule in YOUR RULE SLICE, locate every place in TARGET where it applies.
  2. For each location decide VIOLATION or PASS strictly against the rule text. Do NOT infer, extrapolate, or judge anything outside your slice.
  3. Emit one block per finding in the FIXED SCHEMA. No prose outside the blocks.

Fixed candidate schema

- group: <the SOLID letter of the rule THIS finding violates — per finding, not a fixed worker id>
  rule: <the rule id, e.g. SRP-1 — descriptive only; the reducer does not match on it>
  location: <experiment-root-relative, exactly corpus/cases/<file>:<line>; never an absolute path or ../>
  verdict: VIOLATION | PASS
  severity: critical | high | medium | low
  evidence: "<exact short quote from the line>"

The group MUST be the SOLID letter of the specific rule the finding violates. If your slice spans two groups, a finding against an S-rule emits group: S and against an O-rule emits group: O. Do not tag every finding with one fixed id.

Output contract

Write all findings to OUTFILE (absolute path). Final message:

STATUS: DONE
File: <OUTFILE>
Count: <total>, violations: <n>

Trace every finding to a real located hit. No invented locations or quotes.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 6d ago First seen · 53 lines · 25 tokens per session scan A 213a5c01521b

Subscribe to this mod's changes

principles-reviewer is an agent published in the GitHub repository Jamie-BitFlight/claude_skills (66 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 485 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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