decision-map

decision-map is a skill for Claude Code, Codex from Mathews-Tom/armory. It costs 145 tokens per session (2,331 once invoked), scanned A, original, MIT.

A method for recording important architecture, policy, and scope questions before implementation planning begins. It creates linked decision tickets and tracks which unanswered decision currently blocks progress.

In plain words
What is it for?
Use it when the desired system or design is still unclear. It helps map unresolved choices, connect dependent questions, identify the next decision to answer, and route clearer work to planning or implementation tools.
Why use it?
It prevents vague ideas from being turned into invented implementation tasks. The team can see what is unknown, what is out of scope, and which decision needs evidence first.

Skill for Claude CodeCodex

Part of the armory plugin — 57 skills, 1 agent shipped together

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 skills/mathews-tom/armory/decision-map
Any agent
npx skills add Mathews-Tom/armory --skill decision-map
Clone the repo
git clone --depth 1 https://github.com/Mathews-Tom/armory

Made for: Claude Code, Codex.

Or install armory, the plugin that ships this one along with the rest of its 57 skills, 1 agent.

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 decision-map

README.md
[![agentmods](https://agentmods.dev/badge/skills/mathews-tom/armory/decision-map.svg)](https://agentmods.dev/skills/mathews-tom/armory/decision-map)
Your own site
<a href="https://agentmods.dev/skills/mathews-tom/armory/decision-map"><img src="https://agentmods.dev/badge/skills/mathews-tom/armory/decision-map.svg" alt="Measured on agentmods" height="20"></a>
Per session 145 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,331 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 $0.00145 $0.02331
Opus 5 $0.00072 $0.01166
Sonnet 5 $0.00029 $0.00466
Haiku 4.5 $0.00015 $0.00233

Measured 4d ago against content hash e13b59fd07ce, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

decision-map 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 4d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (scripts/frontier.py, tests/test_claims.py, tests/test_frontier.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/decision-map/SKILL.md · 144 lines

How it starts

The opening of the file, as written. The whole thing — 144 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Decision Map

Scope and Trigger Boundary

Ask one discriminator before creating anything: Do we know what should be built? If no, map unresolved decisions. If yes, route known design into milestones with plan-prompts or implementation-sized work with task-decomposer. A decision map produces decisions and evidence, never implementation deliverables.

Situation Package
Destination or design still unclear; decisions would have to be invented decision-map
Design known; needs milestones and execution prompts plan-prompts
Feature specified; needs implementation slices, tests, risks task-decomposer
Plan exists; needs a pre-implementation audit plan-review
Plan approved; needs execution across sessions milestone-runner
Repo audit needs standalone remediation plans, optionally as issues codebase-advisor --issues
One decision needs a durable record adr-writer
Session state must survive a handoff handoff

Do not turn vague hopes into implementation tasks merely to make progress appear orderly. A sharp but currently unanswered question is a ticket. A question that cannot yet be stated sharply is fog.

Data Model

A map is one parent tracker item with five sections: Destination, Notes, Decisions so far, Not yet specified, and Out of scope. It is an index, not a duplicate store. A decision exists in exactly one ticket; the map holds only resolution pointers and scope boundaries.

A ticket holds one question, exactly one type label, exactly one interaction label, blockers, visible owner, session claim, and closure state. Refer to maps and tickets by linked title, never a bare identifier. Type labels are decision-map:discussion, decision-map:research, decision-map:prototype, and decision-map:unblock. Interaction labels are authoritative: exactly one of decision-map:hitl or decision-map:afk; ticket bodies must not restate the interaction mode.

Prerequisites

Use gh --version and require gh 2.96.0 or newer only when the user explicitly selects GitHub as the tracker. Verify authentication with gh auth status before that path. frontier.py requires Python 3.12 and only the standard library. .docs/agents/issue-tracker.md, when present, is the authoritative backend choice. Otherwise store maps locally in .docs/decision-maps/<effort>/; select GitHub only when the user expressly asks for it. Do not infer GitHub selection from a remote or authentication. Report the selected backend once and mention project-context-setup when the choice should be persisted. Probe GitHub capability before using native relationships. When older GitHub Enterprise or an older CLI rejects blockedBy, take the degraded path: generated child links in the map and Blocked by: #N lines in ticket bodies. The degraded index exists only to emulate absent tracker relationships.

Read the full file on GitHub · 144 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. 4d ago First seen · 144 lines · 145 tokens per session scan A e13b59fd07ce

Subscribe to this mod's changes

decision-map is a skill published in the GitHub repository Mathews-Tom/armory (316 stars, last pushed 6d ago), licensed MIT. It adds 145 tokens to every session and 2,331 once invoked, about $0.0007 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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