project-preflight

project-preflight is a skill for Claude Code from neuromechanist/research-skills. It costs 47 tokens per session (338 once invoked), scanned A, original, BSD-3-Clause.

A read-only preflight check for an existing software repository and its surrounding tools. It reports the repository and branch, shell and terminal details, GitHub command and access status, credentials, and available native-agent features without changing files.

In plain words
What is it for?
Use it before planning, reviews, or GitHub operations to confirm the repository, current branch, GitHub CLI and network access, authentication, and agent capabilities.
Why use it?
It catches missing or unusable project, GitHub, or agent access before work begins, preventing later commands from being based on false assumptions.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the project plugin — 16 skills, 5 commands, 3 agents shipped together

Good fit Use it before planning, reviews, or GitHub operations to confirm the repository, current branch, GitHub CLI and network access, authentication, and agent capabilities.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/neuromechanist/research-skills/project-preflight
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 neuromechanist/research-skills --skill project-preflight
Clone the repo
git clone --depth 1 https://github.com/neuromechanist/research-skills

Made for: Claude Code.

Or install project, the plugin that ships this one along with the rest of its 16 skills, 5 commands, 3 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 project-preflight

README.md
[![agentmods](https://agentmods.dev/badge/skills/neuromechanist/research-skills/project-preflight/github.svg)](https://agentmods.dev/skills/neuromechanist/research-skills/project-preflight)
Your own site
<a href="https://agentmods.dev/skills/neuromechanist/research-skills/project-preflight"><img src="https://agentmods.dev/badge/skills/neuromechanist/research-skills/project-preflight/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 project-preflight

Your own site · 80×15
<a href="https://agentmods.dev/skills/neuromechanist/research-skills/project-preflight"><img src="https://agentmods.dev/badge/skills/neuromechanist/research-skills/project-preflight.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 338 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 $0.00047 $0.00338
Opus 5.5 $0.00019 $0.00135
Sonnet 5.5 $0.00009 $0.00068
Haiku 4.5 $0.00005 $0.00034

Measured 1mo ago against content hash 992061531cc6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

project-preflight 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 1mo 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/project/skills/project-preflight/SKILL.md · 34 lines

What it actually says

Project Preflight

Run the bundled read-only preflight probe before relying on repository, shell, terminal, GitHub, or native-agent state. It never spawns agents, changes files, or prints credentials.

Resolve the executable from the project plugin installation that contains this skill, using its sibling bin/project-preflight path. When working from a checkout, that path is plugins/project/bin/project-preflight. Invoke the executable by its absolute path rather than assuming that the plugin's bin/ directory is on PATH:

<project-plugin-root>/bin/project-preflight --format json

Use the JSON fields to distinguish repository-detection failures from optional GitHub or native-agent capability failures. Required repository fields are repo_root, integration_branch, and current_branch. Before a GitHub operation, inspect has_gh, gh_command_status, gh_network_status, gh_auth_status, gh_token_status, and gh_child_credential_status; before a review panel, inspect native_agent_status, native_agent_surface, agent_model, agent_effort, and agent_max_reviewers.

If the executable cannot be resolved, report that the project plugin is partially installed instead of substituting a different detector or inferring missing values.

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. 1mo ago First seen · 34 lines · 47 tokens per session scan A 992061531cc6

Subscribe to this mod's changes

project-preflight is a skill published in the GitHub repository neuromechanist/research-skills (49 stars, last pushed yesterday), licensed BSD-3-Clause. It adds 47 tokens to every session and 338 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 2026-09-22.

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