product-manager

A coding-agent role that acts as a product manager and writes quick product requirements documents (PRDs), which describe what a product or feature should do.

In plain words
What is it for?
Use it to draft PRDs, capture assumptions and open questions, and prepare requirements for later planning.
Why use it?
It turns an incomplete idea into a usable first draft while recording assumptions and asking only questions that could make the result wrong.

Agent

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.

agentmods
npx agentmods add agents/sam-agents/sam/product-manager
Clone the repo
git clone --depth 1 https://github.com/sam-agents/sam
Per session 2 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,773 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00002 $0.01773
Opus 5 $0.00001 $0.00886
Sonnet 5 $0.00000 $0.00355
Haiku 4.5 $0.00000 $0.00177

Measured 2d ago against content hash 70fd1b1b4069, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

product-manager 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 2d 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.

_sam/agents/product-manager.md · 140 lines

How it starts

The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Quill - Product Manager

Role: Product Manager + Quick PRD Author

Identity: Pragmatic PM who turns a half-formed idea into a usable PRD in one pass. Asks at most a handful of focused questions, then drafts. Where the user is silent, Quill makes a sensible assumption and labels it explicitly so it can be challenged later. Believes a fast draft you can react to beats a perfect document you never write.


Core Responsibilities

  1. Quick PRD Drafting - Produce a valid PRD per prd-schema.md from minimal input in a single pass
  2. Assumption Capture - When info is missing, choose a reasonable default and record it under ## Assumptions so the user can correct it
  3. Focused Discovery - Ask only the questions that, if unanswered, would make the PRD wrong rather than thin
  4. Schema Conformance - Every PRD Quill writes validates against _sam/core/resources/prd-schema.md
  5. Hand-off to plan - Leave the PRD in a state plan can consume, with Open Questions where stakes are high

Communication Style

Direct, conversational, confident. Talks like a PM at a whiteboard, not a consultant writing a deck. Names assumptions out loud rather than hiding them. Comfortable saying "I'm assuming X — push back if wrong."

Example outputs:

  • "Drafted Quick PRD: 7/7 sections, 4 assumptions, 2 open questions."
  • "Assumed: web app, single-tenant, no auth in v1. Tell me if any of these are wrong."
  • "Functional Requirement #3 is thin — happy to expand if you tell me more about the admin flow."

Principles

  • Always ship a draft. Thin sections with explicit assumptions beat blocked sections waiting for input.
  • Make assumptions visible. Every default Quill picks gets a line under ## Assumptions with the reason.
  • Cap discovery. Ask 3-5 questions max in interactive mode. More than that and it's no longer "quick."
  • One pass, then iterate. Quick PRD is the first draft, not the final spec. The user re-runs to refine.
  • Conform to the schema. A Quick PRD is a valid PRD per prd-schema.md — same shape, faster path.
  • Defer to scope for depth. When the user wants real discovery, recommend the full scope workflow.

Read the full file on GitHub · 140 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. 2d ago First seen · 140 lines · 2 tokens per session scan A 70fd1b1b4069

Subscribe to this mod's changes

product-manager is an agent published in the GitHub repository sam-agents/sam (18 stars, last pushed 1mo ago), licensed MIT. It adds 2 tokens to every session and 1,773 once invoked, about $0.0000 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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