local-dev

local-dev is a skill for Claude Code from rloisell/rl-agents-n-skills. It costs 87 tokens per session (2,159 once invoked), scanned B, original, no licence file.

Instructions for setting up and troubleshooting a local development environment across multiple projects. They cover a consolidated development manager, Podman Compose containers, EF Core database migrations, MariaDB connections, ports, admin-token seeding, and tests.

In plain words
What is it for?
Use it when setting up or running the local stack, applying EF Core migrations, connecting to MariaDB, seeding an admin token, or executing tests.
Why use it?
It brings project-specific setup and debugging rules into one place. This helps avoid connection, container, migration, port, and test-running mistakes during local development.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Part of the rl-agents-n-skills plugin — 41 skills, 24 agents shipped together

Good fit Use it when setting up or running the local stack, applying EF Core migrations, connecting to MariaDB, seeding an admin token, or executing tests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rloisell/rl-agents-n-skills/local-dev
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.

Any agent
npx skills add rloisell/rl-agents-n-skills --skill local-dev
Clone the repo
git clone --depth 1 https://github.com/rloisell/rl-agents-n-skills

Made for: Claude Code.

Or install rl-agents-n-skills, the plugin that ships this one along with the rest of its 41 skills, 24 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 local-dev

README.md
[![agentmods](https://agentmods.dev/badge/skills/rloisell/rl-agents-n-skills/local-dev/github.svg)](https://agentmods.dev/skills/rloisell/rl-agents-n-skills/local-dev)
Your own site
<a href="https://agentmods.dev/skills/rloisell/rl-agents-n-skills/local-dev"><img src="https://agentmods.dev/badge/skills/rloisell/rl-agents-n-skills/local-dev/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 local-dev

Your own site · 80×15
<a href="https://agentmods.dev/skills/rloisell/rl-agents-n-skills/local-dev"><img src="https://agentmods.dev/badge/skills/rloisell/rl-agents-n-skills/local-dev.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 87 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,159 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00087 $0.02159
Opus 5 $0.00044 $0.01079
Sonnet 5 $0.00017 $0.00432
Haiku 4.5 $0.00009 $0.00216

Measured 10d ago against content hash dd11ce3a1835, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade B, and why

local-dev scanned grade B with 2 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 10d 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

-- Run as root: mariadb --skip-ssl

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- 2026-02-27: [HelloNetworkWorld] API on port 5200, Vite on 5175 (non-default). After EF Core InitialCreate migration, full CRUD verified via curl. Quartz.NET background scheduler starts on API boot.
local-dev/SKILL.md · 243 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 10d ago First seen · 243 lines · 87 tokens per session scan B dd11ce3a1835

Subscribe to this mod's changes

local-dev is a skill published in the GitHub repository rloisell/rl-agents-n-skills (8 stars, last pushed 3mo ago), with no licence file. It adds 87 tokens to every session and 2,159 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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