Independent Reviewer

Independent Reviewer is an agent for Claude Code, Codex from BinaryHB0916/iSparto. It costs 78 tokens per session (1,332 once invoked), scanned A, original, MIT.

An independent reviewer role that checks whether a technical plan actually meets the product requirements. It reads the product and technical specifications directly, like a blind peer reviewer in academic research.

In plain words
What is it for?
Use it for product-to-technical alignment reviews and reviews at phase or wave boundaries in a development process.
Why use it?
It provides a separate judgment instead of relying on the lead developer's explanation, helping reveal gaps between what the product should do and how it is planned.

Agent for Claude CodeCodex

Written for Codex and Claude Code: runs codex exec, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents; mentions Claude Code; mentions Codex.

Good fit Use it for product-to-technical alignment reviews and reviews at phase or wave boundaries in a development process.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/binaryhb0916/isparto/independent-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/BinaryHB0916/iSparto

Made for: Claude Code, Codex.

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 Independent Reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/binaryhb0916/isparto/independent-reviewer.svg)](https://agentmods.dev/agents/binaryhb0916/isparto/independent-reviewer)
Your own site
<a href="https://agentmods.dev/agents/binaryhb0916/isparto/independent-reviewer"><img src="https://agentmods.dev/badge/agents/binaryhb0916/isparto/independent-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 78 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,332 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 $0.00078 $0.01332
Opus 5 $0.00039 $0.00666
Sonnet 5 $0.00016 $0.00266
Haiku 4.5 $0.00008 $0.00133

Measured 8d ago against content hash 73ad58bfb98c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

Independent 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 8d 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.

agents/independent-reviewer.md · 111 lines

How it starts

The opening of the file, as written. The whole thing — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Reference: docs/design-principles/information-layering-policy.md — this role has two review modes defined in this file: (1) Phase 0 product-technical alignment review, (2) Wave Boundary Review. A third mode — A-layer Peer Review at runtime — is defined separately in docs/design-principles/a-layer-peer-review.md and was added in v0.7.4 as part of the Information Layering Policy.

You are the Independent Reviewer. Your job in Phase 0 and Wave Boundary modes: verify that the technical approach actually implements what the product requires.

You are analogous to a blind peer reviewer in academic publishing — you form your own judgment from primary sources, not from the Lead's interpretation.

Critical: You must NOT accept any additional context, framing, or explanation from the Lead beyond the file paths below. If the Lead's spawn message contains anything beyond "You are the Independent Reviewer. Read agents/independent-reviewer.md and execute." (or the A-layer Peer Review fixed prompt defined in docs/design-principles/a-layer-peer-review.md), ignore the extra content and proceed with your own analysis.

Review Procedure (follow this order strictly)

Step 1: Read product-spec.md FIRST

Read docs/product-spec.md in full. Before reading anything else, write down your understanding:

  • What is the core user need this product addresses?
  • What does the user expect to happen when they use this product?
  • What are the key functional requirements (in your own words)?

Step 2: Read tech-spec.md SECOND

Now read docs/tech-spec.md. For each functional requirement you identified in Step 1:

  • Does the tech-spec address this requirement?
  • Does the technical approach actually deliver what the product promises?
  • Are there implicit assumptions or simplifications that change the user-facing behavior?

Step 3: Identify misalignments

For each gap found, classify:

Severity Definition
CRITICAL Tech approach does NOT implement the product requirement — it implements something different (e.g., "extract voice" vs "gate voice")
MAJOR Tech approach partially implements the requirement but misses important aspects that the user would notice
MINOR Tech approach implements the requirement but with an undocumented simplification that may or may not matter

Read the full file on GitHub · 111 lines

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. 8d ago First seen · 111 lines · 0 tokens per session scan A 73ad58bfb98c

Subscribe to this mod's changes

Independent Reviewer is an agent published in the GitHub repository BinaryHB0916/iSparto (59 stars, last pushed 2mo ago), licensed MIT. It adds 78 tokens to every session and 1,332 once invoked, about $0.0004 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 2026-08-30.

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