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Aspid.FastTools: Instructions file for Codex

AGENTS.md

Aspid.FastTools AGENTS.md is an instructions file for Codex, OpenCode from VPDPersonal/Aspid.FastTools. It costs 426 tokens per session, scanned A, original, MIT.

Repository instructions for developing the Aspid.FastTools Unity package and its .NET code generators and analyzers. They document supported Unity versions, build steps, version updates, and where consumer skills belong.

In plain words
What is it for?
Use them when modifying Aspid.FastTools, its analyzers or generators, package versions, release files, or consumer-facing skills.
Why use it?
They prevent changes that compile incorrectly, deadlock Unity's compiler, or fail to update the package consistently. They also explain when rebuilt generator files reach Unity.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: reads .claude/ paths; mentions AGENTS.md.

This is VPDPersonal/Aspid.FastTools's own configuration. It tells Codex and OpenCode how to work on Aspid.FastTools itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything Aspid.FastTools configures →

not rated 24repo changed 15d ago A scan 426 tokens original MIT
View source ↗ VPDPersonal/Aspid.FastTools vpdpersonal.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to VPDPersonal/Aspid.FastTools. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/VPDPersonal/Aspid.FastTools/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/VPDPersonal/Aspid.FastTools

Made for: Codex, OpenCode.

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 Aspid.FastTools AGENTS.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/vpdpersonal/aspid.fasttools/agents-md"><img src="https://agentmods.dev/badge/instructions/vpdpersonal/aspid.fasttools/agents-md/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 Aspid.FastTools AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/vpdpersonal/aspid.fasttools/agents-md"><img src="https://agentmods.dev/badge/instructions/vpdpersonal/aspid.fasttools/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 426 This file is loaded in full into every session.
When invoked 426 The same file — it is already loaded in full.
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 $0.00426 $0.00426
Opus 5.5 $0.00170 $0.00170
Sonnet 5.5 $0.00085 $0.00085
Haiku 4.5 $0.00043 $0.00043

Measured 15d ago against content hash a66e31085d74, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Aspid.FastTools AGENTS.md 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 15d 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.

AGENTS.md · 35 lines

What it actually says

Aspid.FastTools

Unity package tech.aspid.fasttools (Aspid.FastTools/Packages/tech.aspid.fasttools/) plus two standalone .NET solutions, Aspid.FastTools.Generators/ and Aspid.FastTools.Analyzers/, whose DLLs are committed into the package, and Agent Skills for projects that consume the package in skills/. The rules of each area are in the AGENTS.md of Aspid.FastTools/ (Unity project and package), Aspid.FastTools.Generators/, Aspid.FastTools.Analyzers/ and Website/.

Rules

  • Bump the version only with scripts/set-version.sh <version>. /asp-ft-release <version> runs the whole release, the Asset Store upload included.
  • In .claude/settings.json allow only commands that cannot run code or read the environment; put the rest in .claude/settings.local.json.

Checks

Run what applies before you open a PR.

  • Scripts: npm --prefix Website ci && node --test scripts/*.test.mjs.
  • Repository: node scripts/check-package-files.mjs, node scripts/check-samples.mjs, node scripts/check-version.mjs, node scripts/check-unity-minimum.mjs, node scripts/check-contrast.mjs, and npm install --no-save js-yaml@4 && node scripts/check-skills.mjs.

C# style

.editorconfig holds the rules a formatter checks; the asp-ft-code-style skill holds the rest: member order, named arguments, attribute and blank-line layout, comments and XML docs. Read it before you write C#.

Samples~

Samples~ is code a newcomer reads, not package API. Read the asp-ft-samples skill before you change it.

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. 15d ago Changed · +6 lines · +69 tokens per session a66e31085d74
  2. 16d ago Changed · -2 lines · -55 tokens per session 6a7ccbac8725
  3. 22d ago Changed · -83 lines · -2,138 tokens per session cafb9c4b3127
  4. 26d ago Changed · +40 lines · +944 tokens per session d7b17040806f
  5. 27d ago Changed · +30 lines · +818 tokens per session b0f481aebcf6
  6. 28d ago Changed · +3 lines · +59 tokens per session aae63e1d5ed1
  7. 1mo ago Changed · +2 lines · +75 tokens per session fac0fb5cd632
  8. 1mo ago Changed · +16 lines · +308 tokens per session c1481beb9c04
  9. 1mo ago First seen · 23 lines · 346 tokens per session scan A 413ddf5a5895

Subscribe to this mod's changes

Aspid.FastTools AGENTS.md is an instructions file published in the GitHub repository VPDPersonal/Aspid.FastTools (24 stars, last pushed yesterday), licensed MIT. It adds 426 tokens to every session, about $0.0017 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 2026-09-26.

Building agentsC# and .NETeditor-toolsroslynunityunity-toolsunity3d
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