Borrowing it
Nothing to install: this file belongs to gridaco/nothing. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/gridaco/nothing/main/.agents/skills/io-grida/SKILL.mdgit clone --depth 1 https://github.com/gridaco/nothingWrote 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/gridaco/nothing/io-grida)<a href="https://agentmods.dev/skills/gridaco/nothing/io-grida"><img src="https://agentmods.dev/badge/skills/gridaco/nothing/io-grida/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/gridaco/nothing/io-grida"><img src="https://agentmods.dev/badge/skills/gridaco/nothing/io-grida.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00070 | $0.01175 |
| Opus 5.5 | $0.00028 | $0.00470 |
| Sonnet 5.5 | $0.00014 | $0.00235 |
| Haiku 4.5 | $0.00007 | $0.00118 |
Grade A, and why
io-grida 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 2mo 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 — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Grida I/O — .grida Format & Loading (engine side)
Format Overview
Grida uses FlatBuffers as the canonical binary format. File identifier: "GRID".
Two on-disk variants:
| Variant | Detection | Notes |
|---|---|---|
| Raw FlatBuffers | "GRID" at bytes 4–7 |
Bare document, no images |
| ZIP archive | ZIP magic bytes | manifest.json + document.grida + images/ |
Document model: Flat node repository (not nested). Nodes reference parents via ID + fractional-index position strings. Multi-scene: each Figma page → a SceneNode.
Key Locations
| Path | Role |
|---|---|
format/grida.fbs |
Source of truth — FlatBuffers schema |
format/AGENTS.md |
Schema evolution rules (append-only, never reuse field IDs) |
crates/grida/src/io/ |
Rust decoder (FBS/ZIP/JSON → Scene) |
crates/grida/src/io/generated/grida.rs |
Auto-generated Rust FlatBuffers bindings (committed) |
crates/grida/src/node/schema.rs |
Rust runtime node schema |
The TS side (reader/writer, archive pack, clipboard) lives in the grida
product repo: packages/grida-canvas-io
and packages/grida-canvas-schema/grida.ts.
Rust Side — crates/grida/src/io/
| File | Role |
|---|---|
io_grida_file.rs |
Format detection + unified decode_all(&bytes) → Vec<Scene> |
io_grida_fbs.rs |
FlatBuffers → Rust runtime (GridaFile → Scene) |
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.
- 2mo ago First seen · 111 lines · 70 tokens per session scan A e61a40d01a9d
io-grida is a skill published in the GitHub repository gridaco/nothing (54 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 70 tokens to every session and 1,175 once invoked, about $0.0003 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 2026-08-30.
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