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prose-style

Reusable writing-style contract for agent outputs (reports, ARCH docs, verdicts, threat models).

Skill by avelikiy

IndexedMIT★ 105
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/avelikiy-prose-style

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Reusable writing-style contract for agent outputs (reports, ARCH docs, verdicts, threat models). Forces direct prose with concrete evidence, no marketing voice, no hedge words. The single most-referenced skill across the pipeline — used by 28 agents.

Use cases: documents, data, security, writing

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/prose-style

Tools it pre-approves 2

From allowed-tools in SKILL.md: the agent may use these without asking you each time.

  • Read,
  • Write

What's inside

Skill name
prose-style
Description
Reusable writing-style contract for agent outputs (reports, ARCH docs, verdicts, threat models). Forces direct prose with concrete evidence, no marketing voice, no hedge words. The single most-referenced skill across the pipeline — used by 28 agents.
License
MIT
Allowed tools
Read,, Write
Instructions
122 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Prose style — writing contract for agent reports

great_cto reports are read by busy CTOs at 3pm on a Tuesday. They scan for
facts, decisions, and what needs their attention. Marketing voice and
hedge words waste their time.

## Five rules

### 1. Lead with the conclusion

Bad:
> After reviewing the architecture document and considering various
> trade-offs, including but not limited to scalability, security, and
> maintainability, we believe that the proposed approach is generally
> acceptable but has some areas that could potentially be improved.

Good:
> Approved with 2 changes required: (a) move PII encryption to KMS, (b)
> add idempotency key on webhook handler. Details below.

### 2. Concrete evidence, not adjectives

Bad: "Performance is acceptable."
Good: "p99 latency 142ms over 50K requests (k6 run 2026-05-12 14:00 UTC, `tests/load/<your-scenario>.js`). SLO is 200ms."

Bad: "Security looks good."
Good: "No findings at Critical or High. 2 Medium: hardcoded log level in `src/logger.ts:14`, missing CORS header in `src/middleware/cors.ts:8`."

### 3. No hedge words

Banned: *generally, somewhat, fairly, mostly, kind of, sort of, more or
less, in some cases, often, sometimes, occasionally, possibly, perhaps,
maybe, could potentially, might want to consider*.

Replace with specifics or omit. If you genuinely don't know, say "uncertain
because <reason>" — that's information.

### 4. No filler openings

Banned:
- "In this document, we will discuss..."
- "It's important to note that..."
- "First and foremost..."
- "At the end of the day..."
- "It goes without saying..."

If a sentence can be deleted without losing information, delete it.

### 5. Verdict line on the last line

Every terminal report ends with one of:

```
VERDICT: APPROVED — <one-line summary>
VERDICT: DONE — <one-line summary>
VERDICT: BLOCKED reason="<specific blocker>"
VERDICT: FAIL reason="<specific failure>"
```

This is parsed by the board's `readVerdicts()` function. Format is
machine-readable — no flourishes.

## Templates

### Reviewer report

```markdown
# REVIEW-<feature> — <reviewer name>

Reviewed: <commit-sha or file paths>
Standard: <regulation / framework you applied>

## Findings
- [Critical|High|Med|Low] <one-sentence finding>
  - location: <path:line>
  - rationale: <why this matters in this domain>
  - remediation: <specific fix>

## Verdict
VERDICT: APPROVED|BLOCKED reason="<short>"
```

### Architecture / ADR

```markdown
# ARCH-<feature> | ADR-<NNN>

Date: <ISO>
Status: proposed | accepted | superseded

## Context
2-4 sentences. What problem, what constraint.

## Decision
Imperative single sentence: "Use X for Y."

## Consequences
- Positive: <bullets>
- Negative: <bullets>
- Reversible? yes/no — if no, document migration cost

## Alternatives considered
<bullets with one-line dismissal reason each>
```

## Anti-patterns to grep for

Before writing the verdict line, search your draft for:

```
\b(generally|somewhat|fairly|mostly|kind of|sort of|possibly|perhaps|maybe)\b
```

If a hit is in a non-quoted sentence, rewrite it to be concrete or delete it.

## Why this matters

The board's `readVerdicts()` parses every report. Marketing voice breaks
the parser. Hedge-word reports waste the reader's time. Specifics let the

From avelikiy/great_cto, MIT.

More from avelikiy/great_cto

Signals

Stars
105
Forks
13
Open issues
5
Last commit (this folder)
Aug 1, 2026 (3 months ago)
Last release
Oct 23, 2026 (8 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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prose-style skill. Agent Mart. https://agentmart.dev/skills/avelikiy-prose-style (last updated 2026-10-24)