scope-discipline-of-plan

scope-discipline-of-plan is an agent for Claude Code from infraspecdev/tesseract. It costs 69 tokens per session (483 once invoked), scanned A, original, MIT.

A product-management review that checks whether a plan is focused on the smallest useful first version. MVP means the simplest version that delivers the main value.

In plain words
What is it for?
It is for grading plans, research findings, technical proposals, and RFCs on their scope and proposed MVP cut.
Why use it?
It helps reveal plans that include too many requirements and identifies work that can be postponed.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the shield plugin — 36 skills, 17 commands, 22 agents shipped together

Good fit It is for grading plans, research findings, technical proposals, and RFCs on their scope and proposed MVP cut.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/infraspecdev/tesseract/scope-discipline-of-plan
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/infraspecdev/tesseract

Made for: Claude Code.

Or install shield, the plugin that ships this one along with the rest of its 36 skills, 17 commands, 22 agents.

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 scope-discipline-of-plan

README.md
[![agentmods](https://agentmods.dev/badge/agents/infraspecdev/tesseract/scope-discipline-of-plan/github.svg)](https://agentmods.dev/agents/infraspecdev/tesseract/scope-discipline-of-plan)
Your own site
<a href="https://agentmods.dev/agents/infraspecdev/tesseract/scope-discipline-of-plan"><img src="https://agentmods.dev/badge/agents/infraspecdev/tesseract/scope-discipline-of-plan/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 scope-discipline-of-plan

Your own site · 80×15
<a href="https://agentmods.dev/agents/infraspecdev/tesseract/scope-discipline-of-plan"><img src="https://agentmods.dev/badge/agents/infraspecdev/tesseract/scope-discipline-of-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 69 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 483 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 $0.00069 $0.00483
Opus 5 $0.00034 $0.00242
Sonnet 5 $0.00014 $0.00097
Haiku 4.5 $0.00007 $0.00048

Measured 10d ago against content hash fe322accf278, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

scope-discipline-of-plan 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 10d 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.

shield/agents/scope-discipline-of-plan.md · 47 lines

What it actually says

Scope Discipline of Plan (PM3)

Description

Grade ONE PM dimension: is the proposed plan disciplined (MVP-shaped) or overloaded? Identify what could be cut without losing core value. This is a PLAN-level scope check — distinct from the PRD-Review dim 2 prompt that grades a PRD's Non-Goals section structurally. Return a single-check JSON block — no prose.

Inputs

  • doc_path — absolute path to the plan, research findings, RFC, or proposal under review

Check

ID Eval point Severity Pass criterion
PM3 Scope discipline Important The plan distinguishes "must have to deliver the stated value" from "could have, deferred", with a defensible MVP cut. Kitchen-sink plans (everything is must-have) fail. Plans without any scope decisions documented fail. A B grade is allowed when the cut is mostly there but one or two items appear scope-creepy.

Grade A (fully met) / B (minor gap) / C (partial) / D (barely) / F (absent).

Output shape (JSON only)

{
  "id": "PM3",
  "name": "Scope discipline (plan)",
  "persona": "product-manager",
  "grade": "A|B|C|D|F",
  "severity": "Important",
  "evidence_quote": "<verbatim line from the doc, or empty string if absent>",
  "gap": "<one sentence, or null if grade A>",
  "suggestion": "<one sentence, or null if grade A>"
}

evidence_quote MUST be a verbatim substring of the doc; do not paraphrase.

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. 10d ago First seen · 47 lines · 69 tokens per session scan A fe322accf278

Subscribe to this mod's changes

scope-discipline-of-plan is an agent published in the GitHub repository infraspecdev/tesseract (5 stars, last pushed 2mo ago), licensed MIT. It adds 69 tokens to every session and 483 once invoked, about $0.0003 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 2026-08-31.

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