Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/cnfeat/top-pm-skillsnpx agentmods add skills/cnfeat/top-pm-skills/local-dev-setupWrote 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/cnfeat/top-pm-skills/local-dev-setup)<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/local-dev-setup"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/local-dev-setup/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.
<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/local-dev-setup"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/local-dev-setup.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00122 | $0.04504 |
| Opus 5 | $0.00061 | $0.02252 |
| Sonnet 5 | $0.00024 | $0.00901 |
| Haiku 4.5 | $0.00012 | $0.00450 |
Grade A, and why
local-dev-setup scanned grade A with 1 finding 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 5d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
| [Mock server — e.g. WireMock] | `8089` | Mocks for external APIs in tests | `curl localhost:8089/__admin` | How it starts
The opening of the file, as written. The whole thing — 493 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Local Dev Setup Skill
Produce a complete local development environment setup guide for a service or project — walking a new engineer from zero (a clean laptop) to a working local environment with passing tests in under 30 minutes. A good setup guide reduces onboarding time, prevents the "it works on my machine" problem, and lets engineers make their first contribution with confidence. Write every step as a concrete command or action — not a description of what needs to happen.
Required Inputs
Ask for these if not already provided:
- Service name and what it does
- Tech stack — language, framework, database, cache, message queue, and any external services
- Dependencies — databases, caches, message queues, and external services (mocked or real)
- Test framework — how tests are run and what the test suite covers
- CI/CD platform — GitHub Actions, CircleCI, Jenkins, etc. (for context on what "passing CI" means locally)
Output Format
Local Development Setup: [Service Name]
Tech stack: [Language + version] | [Framework] | [Database] | [Cache] Estimated setup time: [20–30 minutes] on a clean machine Last verified: [Date] on [macOS Ventura 13.x / Ubuntu 22.04] Questions? Ask in [Slack: #[team-channel]] or ping [@tech-lead-handle]
First contribution? Complete setup first (this doc), then read [CONTRIBUTING.md] for code standards and PR process.
Prerequisites
Install these tools before starting. The versions listed are the minimum required — newer patch versions are fine, newer major versions may have compatibility issues.
Required Tools
| Tool | Required version | Install |
|---|---|---|
| [Git] | 2.x+ | Pre-installed on most systems; or brew install git |
| [Language runtime — e.g. Go] | [1.22+] | [https://go.dev/dl/ or brew install go] |
| [Docker] | 24.x+ | [https://docs.docker.com/get-docker/] |
| [Docker Compose] | 2.x+ | Included with Docker Desktop; or brew install docker-compose |
| [Make] | Any | Pre-installed on macOS/Linux |
| [Tool — e.g. Node.js] | [20.x+] | [brew install node or https://nodejs.org] |
| [Tool — e.g. psql client] | [15+] | brew install postgresql@15 (client only) |
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.
- 5d ago First seen · 493 lines · 122 tokens per session scan A 306bcc2d61f1
local-dev-setup is a skill published in the GitHub repository cnfeat/top-pm-skills (48 stars, last pushed 2mo ago), licensed MIT. It adds 122 tokens to every session and 4,504 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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