Borrowing it
Nothing to install: this file belongs to craigcossairt/trellis. 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/craigcossairt/trellis/main/AGENTS.mdgit clone --depth 1 https://github.com/craigcossairt/trellisWrote 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/instructions/craigcossairt/trellis/agents-md)<a href="https://agentmods.dev/instructions/craigcossairt/trellis/agents-md"><img src="https://agentmods.dev/badge/instructions/craigcossairt/trellis/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.
<a href="https://agentmods.dev/instructions/craigcossairt/trellis/agents-md"><img src="https://agentmods.dev/badge/instructions/craigcossairt/trellis/agents-md.svg" alt="Reviewed on agentmods" width="80" 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 | $0.07408 | $0.07408 |
| Opus 5.5 | $0.02963 | $0.02963 |
| Sonnet 5.5 | $0.01482 | $0.01482 |
| Haiku 4.5 | $0.00741 | $0.00741 |
Grade A, and why
trellis 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 13d 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 — 469 lines — stays where its author put it; the contents beside it link to each section on GitHub.
AGENTS.md -
Canonical instructions for AI coding agents (Claude Code, Cursor, Codex, Gemini CLI, and others). Keep this file harness-agnostic: anything specific to one tool belongs in that tool's own config directory (
.claude/,.cursor/, etc.). CLAUDE.md imports this file, so never duplicate content between the two.
Project
- Name:
- What it is:
- Owner:
- Stage:
- For the owner's background and working style, see
docs/about-me.md
What I Need From Agents
- Research before advising - verify current facts (pricing, APIs, legal) before recommending
- When writing code, explain what you're doing and why in plain language
- If uncertain, say so explicitly - never fabricate facts or statistics
- Skip long preambles - get to the point
- Flag when professional review is needed (lawyer, accountant, security auditor)
- Default to actionable advice that can be executed this week
Current State - Source of Truth Pointers
This file does NOT own current priorities, active deadlines, or in-progress work. Those change too fast for a static config file. Read the live sources below before acting on anything that depends on what's currently active or due:
- Active issues + priorities -
- Decision history (what was decided, when, why) -
docs/decision-log.md - Known bug patterns -
docs/common-gotchas.md
What this file owns: stable conventions (tech stack, methodology, file structure, owner context). The test for whether something belongs here: "Will this still be true in 6 months?" If no, it goes in the issue tracker, not here.
Tech Stack
| Layer | Technology |
|---|---|
| Frontend | |
| Backend | |
| Database | |
| Hosting | |
| Issue Tracking | |
| Error Tracking |
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.
- 13d ago Changed · +11 lines · +233 tokens per session 3bd6ced3ee42
- 20d ago Changed · +66 lines · +1,369 tokens per session b74b67a9c023
- 25d ago Changed · +16 lines · +325 tokens per session e040a60f3305
- 28d ago Changed · +17 lines · +351 tokens per session cc380af31268
- 1mo ago Changed · +17 lines · +304 tokens per session f06107190134
- 1mo ago Changed · +68 lines · +1,140 tokens per session 60b156d3070a
- 1mo ago First seen · 274 lines · 3,686 tokens per session scan A c302f10a7809
trellis AGENTS.md is an instructions file published in the GitHub repository craigcossairt/trellis (5 stars, last pushed 13d ago), licensed MIT. It adds 7,408 tokens to every session, about $0.0296 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 2026-08-31.
Other instructions, from other repositories
vscode buildNext.instructions.md
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