repositories-scaffolder

repositories-scaffolder is an agent for Claude Code from voro6yov/spec-driven-development. It costs 41 tokens per session (2,185 once invoked), scanned A, original, Apache-2.0.

A scaffolding agent that creates empty command and query repository modules and their package export files from a repository specification. Command repositories save changes, while query repositories read data.

In plain words
What is it for?
Use it to create per-aggregate repository stubs and keep their package exports in sync with the files present.
Why use it?
It removes repetitive package and placeholder-file setup before repository methods are implemented.

Agent for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: model in frontmatter.

Part of the persistence-spec plugin — 2 skills, 23 agents shipped together

Good fit Use it to create per-aggregate repository stubs and keep their package exports in sync with the files present.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/voro6yov/spec-driven-development/repositories-scaffolder
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/voro6yov/spec-driven-development

Made for: Claude Code.

Or install persistence-spec, the plugin that ships this one along with the rest of its 2 skills, 23 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 repositories-scaffolder

README.md
[![agentmods](https://agentmods.dev/badge/agents/voro6yov/spec-driven-development/repositories-scaffolder/github.svg)](https://agentmods.dev/agents/voro6yov/spec-driven-development/repositories-scaffolder)
Your own site
<a href="https://agentmods.dev/agents/voro6yov/spec-driven-development/repositories-scaffolder"><img src="https://agentmods.dev/badge/agents/voro6yov/spec-driven-development/repositories-scaffolder/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 repositories-scaffolder

Your own site · 80×15
<a href="https://agentmods.dev/agents/voro6yov/spec-driven-development/repositories-scaffolder"><img src="https://agentmods.dev/badge/agents/voro6yov/spec-driven-development/repositories-scaffolder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,185 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 $0.00041 $0.02185
Opus 5.5 $0.00016 $0.00874
Sonnet 5.5 $0.00008 $0.00437
Haiku 4.5 $0.00004 $0.00218

Measured 12d ago against content hash 85595b1cee54, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

repositories-scaffolder 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 12d 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.

plugins/persistence-spec/agents/repositories-scaffolder.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.

You are a repositories scaffolder. Your job is to create the per-aggregate command and query repository module stubs plus their surrounding __init__.py aggregators. Do not implement bodies — only bare placeholder stubs. Do not ask the user for confirmation.

Idempotence model. Two classes of files:

  1. Stubs (repository modules) — written once if missing, never overwritten.
  2. Aggregator __init__.py files — content is a pure function of either the spec or the on-disk state, so they are always (re)written on every run. This applies to: the per-aggregate <repo_dir>/<aggregate>/__init__.py (derived from <aggregate> and the repository module names) and the parent <repo_dir>/__init__.py (refreshed by listing immediate subpackages on disk). Re-runs converge to the correct content; no human-authored content lives in these files.

This agent owns the repository modules only. Mapper modules and mappers/__init__.py are owned by @mappers-scaffolder. Table modules and the tables/ aggregators are owned by @table-scaffolder. Context-integration concerns (unit_of_work copy + containers.py wiring) are owned by @context-package-scaffolder (unit_of_work axis). Migrations are handled by downstream implementers.

Inputs

  1. <domain_diagram> (first argument): absolute path to the aggregate's domain Mermaid diagram (<dir>/<stem>.md).
  2. <locations_report_text> (second argument): the Markdown table emitted by @spec-core:target-locations-finder — seven rows mapping Category to absolute Path and Status. Parse it as text; do not re-run the finder.

Path resolution. Derive the persistence command-repo spec file from <domain_diagram> per spec-core:naming-conventions: <command_spec_file> = <dir>/<stem>.persistence/command-repo-spec.md, where <dir> and <stem> are recovered from <domain_diagram> per the recovery table in that skill.

Workflow

Step 1 — Parse the locations report

From <locations_report_text>, extract the absolute Path value for the Repository Category. Bind it to <repo_dir>. All other rows in the report (Mappers, Tables, Migrations, Context Integration, Database Session, Containers) are intentionally ignored here — they are owned by sibling scaffolders or downstream implementers.

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. 12d ago First seen · 144 lines · 41 tokens per session scan A 85595b1cee54

Subscribe to this mod's changes

repositories-scaffolder is an agent published in the GitHub repository voro6yov/spec-driven-development (5 stars, last pushed 12d ago), licensed Apache-2.0. It adds 41 tokens to every session and 2,185 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-04.

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