rust-2026-template: Instructions file for Claude Code

AGENTS.md

rust-2026-template AGENTS.md is an instructions file for Claude Code, Codex, OpenCode from d-oit/rust-2026-template. It costs 2,159 tokens per session, scanned A, original, MIT.

The main coding contract for a 2026 Rust project template. Rust is a programming language, and this file points agents to the project commands, structure, skills, scripts, and quality checks they must follow.

In plain words
What is it for?
Use it when developing, testing, bootstrapping, or checking a Rust workspace. It also guides work on the project's agent skills, automation scripts, architecture records, and pre-commit checks.
Why use it?
It gives agents one shared source of project rules instead of separate, conflicting instructions for different tools. It also documents how to build, test, diagnose, and regenerate the skills index.

Instructions file for Claude CodeCodexOpenCode

Written for Claude Code and Codex and OpenCode: SessionStart hook event, but also the file is AGENTS.md. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Claude Code.

This is d-oit/rust-2026-template's own configuration. It tells Claude Code, Codex and OpenCode how to work on rust-2026-template 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 rust-2026-template configures →

Reuse

Borrowing it

Nothing to install: this file belongs to d-oit/rust-2026-template. 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/d-oit/rust-2026-template/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/d-oit/rust-2026-template

Made for: Claude Code, Codex, OpenCode.

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Per session 2,159 This file is loaded in full into every session.
When invoked 2,159 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 $0.02159 $0.02159
Opus 5.5 $0.00864 $0.00864
Sonnet 5.5 $0.00432 $0.00432
Haiku 4.5 $0.00216 $0.00216

Measured today against content hash b34ee1e388fa, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rust-2026-template 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 today.

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 · 132 lines

How it starts

The opening of the file, as written. The whole thing — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent Coding Contract

2026 Best Practice Rust Template - This is the single canonical instruction file for all AI agents. Tool-specific files (CLAUDE.md, GEMINI.md, etc.) are thin adapters that point here.

Quick Reference

Task Command
Build cargo build --workspace
Quality ./scripts/quality-gates.sh
Tests cargo nextest run --workspace
Setup ./scripts/bootstrap.sh
Diagnostics ./scripts/doctor.sh

Project Structure

  • .agents/skills/: Executable task knowledge and canonical workflows.
  • .agents/skills/harness/: Harness engineering — sensor response protocol and self-correction.
  • crates/: Workspace members (libraries and applications).
  • scripts/: Development, quality, and release automation.
  • plans/adr/: Architecture Decision Records.
  • .githooks/: Pre-commit quality enforcement.
  • AGENTS.md: THIS FILE (Canonical Project Contract).

Agent Skills (.agents/skills/)

The skills index is auto-generated from skill frontmatter. Do not edit the table below manually.

Regenerate after adding/modifying skills:

bash scripts/generate-skills-md.sh

Consult .agents/SKILLS.md for the complete skills index, or read individual skill docs at .agents/skills/<name>/SKILL.md.

Multi-Agent Support

Skill symlinks are managed automatically. After cloning, run:

./scripts/bootstrap.sh    # One-command setup
./scripts/doctor.sh        # Environment diagnostics

CLI-specific directories read from .agents/skills/ via symlinks:

  • .claude/skills/ → Claude Code
  • .qwen/skills/ → Qwen Code
  • .gemini/, .opencode/, .windsurf/ → Read directly

Session Bootstrap

The repository includes a SessionStart hook to auto-inject project context at the start of an agent session. This helps agents orient themselves quickly without manual discovery.

  • Hook: hooks/session-start.sh
  • Config: docflow.json
  • Integration: Registered in .claude/settings.json for Claude.

Read the full file on GitHub · 132 lines

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. today Changed · +1 lines · +34 tokens per session b34ee1e388fa
  2. 16d ago Changed · +2 lines · +220 tokens per session 4a12a6792b16
  3. 1mo ago Changed · +1 lines · +38 tokens per session 2bde8194b196
  4. 1mo ago Changed · +1 lines · +100 tokens per session fda043a516f5
  5. 1mo ago Changed · +67 tokens per session 21aeabb38c61
  6. 2mo ago First seen · 127 lines · 1,700 tokens per session scan A c1fb825f66c9

Subscribe to this mod's changes

rust-2026-template AGENTS.md is an instructions file published in the GitHub repository d-oit/rust-2026-template (15 stars, last pushed yesterday), licensed MIT. It adds 2,159 tokens to every session, about $0.0086 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.

Related

rust-2026-template AGENTS.md compared with instructions from other repositories

rust-2026-template AGENTS.md next to 6 instructions from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
rust-2026-template AGENTS.mdd-oit/rust-2026-templateInstructions file15yesterdayMITA2,159Claude Code, Codex, OpenCode
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vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode