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.
npx skills add akaieuan/Hologram --skill create-skillgit clone --depth 1 https://github.com/akaieuan/HologramWrote 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/akaieuan/hologram/create-skill)<a href="https://agentmods.dev/skills/akaieuan/hologram/create-skill"><img src="https://agentmods.dev/badge/skills/akaieuan/hologram/create-skill.svg" alt="Measured on agentmods" 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 | $0.00087 | $0.00798 |
| Opus 5 | $0.00044 | $0.00399 |
| Sonnet 5 | $0.00017 | $0.00160 |
| Haiku 4.5 | $0.00009 | $0.00080 |
Grade A, and why
Create a Hologram 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 8d 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.
How it starts
The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create a Hologram skill
Turn a repeated pipeline task into a one-word skill. This writes a project-level
skill (under .claude/skills/) that Claude Code auto-discovers — so next time
it's /your-skill instead of re-explaining the steps.
What to do
-
Figure out the workflow. What repeated task are they capturing? e.g. "before I commit, render every prop and flag any with no materials", or "summarize what changed since this morning". Ask once if it's genuinely unclear; otherwise infer it from what they just asked for.
-
Pick a short, lowercase, hyphenated name — it becomes the command (
pre-commit-render→/pre-commit-render). -
Write
.claude/skills/<name>/SKILL.mdusing this shape:--- name: <Readable display name> description: <One or two sentences — what it does and the phrases that should trigger it. Put the trigger words early; this is what makes it fire.> allowed-tools: <only what it needs, e.g. mcp__hologram__inspect_asset, Bash(hologram *)> --- # <Title> <Numbered steps for the agent to follow, in plain language. Reference the Hologram tools below by name. Say how to present the result.>Keep it focused — one workflow per skill. Only list the tools it actually uses in
allowed-tools. -
Tell them how to use it. Project skills load on the next turn; it shows up as
/<name>and fires automatically when the description matches.
Hologram surface to wire in
Read-only MCP tools (server name hologram):
| Tool | Does |
|---|---|
list_assets(category?) |
enumerate exported GLBs, grouped by category |
inspect_asset(path) |
parse one GLB → nodes, meshes, materials, animations, skins, counts |
render_asset(path) |
render one GLB to a PNG via the live Blender (needs Blender on :9876) |
tail_events(limit?) |
recent activity from the event log, newest first |
pipeline_status(limit?) |
failures + last check summary + recent diffs, from the log alone |
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.
- 8d ago First seen · 74 lines · 87 tokens per session scan A c628c353c155
Create a Hologram skill is a skill published in the GitHub repository akaieuan/Hologram (2 stars, last pushed 1mo ago), licensed MIT. It adds 87 tokens to every session and 798 once invoked, about $0.0004 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.
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