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.
npx agentmods add skills/bostonaholic/team/documenting-decisionsnpx skills add bostonaholic/team --skill documenting-decisionsgit clone --depth 1 https://github.com/bostonaholic/teamWrote 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.
[](https://agentmods.dev/skills/bostonaholic/team/documenting-decisions)<a href="https://agentmods.dev/skills/bostonaholic/team/documenting-decisions"><img src="https://agentmods.dev/badge/skills/bostonaholic/team/documenting-decisions.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00022 | $0.00471 |
| Opus 5 | $0.00011 | $0.00235 |
| Sonnet 5 | $0.00004 | $0.00094 |
| Haiku 4.5 | $0.00002 | $0.00047 |
Grade A, and why
documenting-decisions 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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 49 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Documenting Decisions
An Architecture Decision Record (ADR) records an important technical choice, its context, alternatives, and consequences. Write at seventh-grade, STE-flavored level; call the Skill tool with writing-prose and apply ## Self-lint before finalizing.
ADR Format
# NNNN. Decision Title
## Status
Proposed | Accepted | Deprecated | Superseded by [NNNN](NNNN-title.md)
## Context
<Objective facts: problem, technical/business constraints, team capability, and timeline.>
## Decision
<Active-voice decision: “We will…”, never “It was decided that…”.>
## Consequences
<What becomes easier and harder; include positive and negative trade-offs.>
File Convention
Store ADRs under docs/decisions/ with zero-padded sequence names: 0001-use-typescript-for-plugin.md, 0002-agent-per-phase-architecture.md, 0003-file-based-state-management.md. Read existing files, increment the highest number, or start at 0001 when absent/empty.
When to Write an ADR
Write one when choosing among alternatives, accepting important trade-offs, breaking an established convention, or adding a long-lived dependency. For dependencies, record why it beat alternatives and the exit strategy.
Do not write one for an obvious choice, use of an established pattern, minor implementation details (names, variable scope, loop form), or a choice reversible in minutes without downstream effects.
Status rules
- Proposed: open for discussion. Accepted: in effect; code must conform. Deprecated: retained after its subject disappears.
- Superseded: link the successor as
Superseded by [0007](0007-new-approach-to-state.md); the successor names the prior ADR in Context so navigation works both ways.
Writing rules
- State specific facts and reasons; name rejected alternatives and why.
- Record incomplete information so later readers know when to reconsider.
- Keep it readable in under 5 minutes; implementation detail belongs in code or comments.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- today Changed · -75 lines · -16 tokens per session f430f8654c19
- 5d ago First seen · 124 lines · 38 tokens per session scan A 3969755008cd
documenting-decisions is a skill published in the GitHub repository bostonaholic/team (11 stars, last pushed today), licensed MIT. It adds 22 tokens to every session and 471 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 2026-08-30.
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