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alchemy-rs: Instructions file for Codex

AGENTS.md

alchemy-rs AGENTS.md is an instructions file for Codex, OpenCode from alchemiststudiosDOTai/alchemy-rs. It costs 1,429 tokens per session, scanned A, original, MIT.

Repository guidance for alchemy-rs, a Rust library that provides one interface for calling several large-language-model services. It explains the project layout, supported providers, and developer commands.

In plain words
What is it for?
Use it when exploring alchemy-rs, choosing files to change, understanding provider architecture, or running the project’s checks and examples.
Why use it?
It gives coding agents a reliable starting point and clarifies which provider paths are implemented versus unfinished.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is alchemiststudiosDOTai/alchemy-rs's own configuration. It tells Codex and OpenCode how to work on alchemy-rs 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 alchemy-rs configures →

not rated 5repo 3mo ago A scan 1,429 tokens original MIT
View source ↗ alchemiststudiosDOTai/alchemy-rs
Reuse

Borrowing it

Nothing to install: this file belongs to alchemiststudiosDOTai/alchemy-rs. 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/alchemiststudiosDOTai/alchemy-rs/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/alchemiststudiosDOTai/alchemy-rs

Made for: Codex, OpenCode.

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Per session 1,429 This file is loaded in full into every session.
When invoked 1,429 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 $0.01429 $0.01429
Opus 5.5 $0.00572 $0.00572
Sonnet 5.5 $0.00286 $0.00286
Haiku 4.5 $0.00143 $0.00143

Measured 2mo ago against content hash 5f73300c2f4f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

alchemy-rs 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 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.

AGENTS.md · 99 lines

How it starts

The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Project Overview

  • alchemy-llm is a Rust crate that exposes a unified LLM API with a streaming-first interface.
  • Implemented runtime paths today are OpenAI-compatible Completions, MiniMax Completions, and z.ai Completions; other provider identities exist in the type layer but still return not-implemented errors from src/stream/mod.rs.
  • The public crate surface is re-exported from src/lib.rs.

Where To Start

  • Start with README.md for current provider status, public examples, and developer commands.
  • Read src/lib.rs to see the exported modules and top-level helpers.
  • Read src/stream/mod.rs next; it is the main stream(...) / complete(...) dispatch layer.
  • Read docs/README.md, then docs/providers/architecture.md for the provider implementation contract.
  • There is no top-level ARCHITECTURE.md; use docs/providers/architecture.md as the architecture source of truth.

Repository Map

  • Cargo.toml - crate metadata, dependencies, and published package settings.
  • src/lib.rs - public module wiring and re-exports.
  • src/models/ - model helper constructors (featherless_model, MiniMax helpers, z.ai helpers).
  • src/providers/ - provider runtimes, auth/env lookup, and provider-specific request handling.
  • src/providers/shared/ - shared OpenAI-like HTTP, message serialization, and stream block helpers.
  • src/stream/ - top-level dispatch and stream collection helpers.
  • src/types/ - canonical API, content, message, event, model, and usage types.
  • src/transform.rs - cross-provider conversation transformation and tool-call replay handling.
  • src/utils/ - think-tag parsing helpers.
  • src/test_helpers/ - shared test utilities for inline module tests.
  • docs/ - compact docs index plus provider architecture / Featherless notes.
  • rules/ - ast-grep config and boundary rules.
  • scripts/harness.sh - full validation harness used by local hooks.
  • .cargo-husky/hooks/pre-commit - pre-commit gate, including large-file blocking and harness execution.
  • .env.example - canonical env var names for provider credentials.

Read the full file on GitHub · 99 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. 2mo ago First seen · 99 lines · 1,429 tokens per session scan A 5f73300c2f4f

Subscribe to this mod's changes

alchemy-rs AGENTS.md is an instructions file published in the GitHub repository alchemiststudiosDOTai/alchemy-rs (5 stars, last pushed 3mo ago), licensed MIT. It adds 1,429 tokens to every session, about $0.0057 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.

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