agentmods.dev

fixture-skill

A fixture skill used to test a deterministic pinned-copy bridge. A fixture is a controlled test input, and a pinned copy is content kept identical to a specified version.

In plain words
What is it for?
Use it in tests that need the content from the pinned fixture commit copied byte for byte.
Why use it?
It helps verify that the bridge copies the expected content exactly and consistently. The description does not indicate any broader development capability.

Skill for Claude CodeCodex

2 2d ago A scan 12 tokens original Apache-2.0
View the source file 777genius/universal-agent-plugins
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.

agentmods
npx agentmods add skills/777genius/universal-agent-plugins/fixture-skill
Any agent
npx skills add 777genius/universal-agent-plugins --skill fixture-skill
Clone the repo
git clone --depth 1 https://github.com/777genius/universal-agent-plugins

Made for: Claude Code, Codex.

Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 39 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00012 $0.00039
Opus 5 $0.00006 $0.00019
Sonnet 5 $0.00002 $0.00008
Haiku 4.5 $0.00001 $0.00004

Measured 2d ago against content hash 6f004ee6c766, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fixture-skill 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 2d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (tool.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

tests/fixtures/bridge_upstream/skills/fixture-skill/SKILL.md · 10 lines

What it actually says

Fixture skill

This content is copied byte-for-byte from the pinned fixture commit.

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2d ago First seen · 10 lines · 12 tokens per session scan A 6f004ee6c766

Subscribe to this mod's changes

fixture-skill is a skill published in the GitHub repository 777genius/universal-agent-plugins (2 stars, last pushed 2d ago), licensed Apache-2.0. It adds 12 tokens to every session and 39 once invoked, about $0.0001 per session on Opus 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 2026-08-31.

agent-pluginsai-agentschatgptcodexcursorgithub-copilot
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