robinhood-mcp: Instructions file for Codex

AGENTS.md

robinhood-mcp AGENTS.md is an instructions file for Codex, OpenCode from nirholas/robinhood-mcp. It costs 518 tokens per session, scanned A, original, Apache-2.0.

Repository instructions for AI coding agents working on a TypeScript server for Robinhood's cryptocurrency trading API. They describe the project layout, setup, build, test, and type-check commands.

In plain words
What is it for?
Use them when changing the robinhood-mcp project, which connects agents to Robinhood's credentialed crypto trading API, or when running its tests and type checks.
Why use it?
They give an agent the repository facts and required checks before it changes code. This reduces incorrect assumptions about the API project and makes unfinished work easier to identify.

Instructions file for CodexOpenCode

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

This is nirholas/robinhood-mcp's own configuration. It tells Codex and OpenCode how to work on robinhood-mcp 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 robinhood-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to nirholas/robinhood-mcp. 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/nirholas/robinhood-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/nirholas/robinhood-mcp

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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README.md
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Per session 518 This file is loaded in full into every session.
When invoked 518 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 $0.00518 $0.00518
Opus 5.5 $0.00207 $0.00207
Sonnet 5.5 $0.00104 $0.00104
Haiku 4.5 $0.00052 $0.00052

Measured 12d ago against content hash 5c7a9c18ce57, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

robinhood-mcp 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 12d 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 · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

Operating notes for AI coding agents (Claude Code, Codex, Cursor, Copilot and others) working in this repository. Everything here is derived from the files actually in the tree, so trust it over guesses, and update it when the facts change.

What this repository is

Model Context Protocol servers for the official Robinhood Crypto Trading API - the credentialed brokerage API at trading.robinhood.com, documented at docs.robinhood.com/crypto/trading.

Repository layout

  • docs/
  • scripts/
  • src/
  • tests/
  • README.md
  • LICENSE
  • package.json

Tests live in tests/. Add or update a test next to the code you change.

Setup

npm install

Commands

Task Command
start npm start
build npm run build
test npm test
typecheck npm run typecheck

Run the test and lint commands above before you consider a change finished. If a command fails on code you did not touch, say so in your report instead of silently skipping it.

Conventions

  • TypeScript runs in strict mode; do not loosen tsconfig.json to make an error go away.
  • .env files are gitignored; never commit credentials, and read configuration from environment variables.
  • Read the surrounding code before adding to it, and match its naming, file organisation and error-handling style.
  • Keep README.md accurate: if a change alters behaviour, commands or configuration, update the docs in the same commit.
  • Do not leave TODO comments, stub functions, placeholder data or commented-out code behind. Finish what you start or leave it out.
  • Small, focused commits with a subject line that describes the change, not the act of committing.

Where to raise things

Read the full file on GitHub · 56 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. 12d ago First seen · 56 lines · 518 tokens per session scan A 5c7a9c18ce57

Subscribe to this mod's changes

robinhood-mcp AGENTS.md is an instructions file published in the GitHub repository nirholas/robinhood-mcp (11 stars, last pushed 11d ago), licensed Apache-2.0. It adds 518 tokens to every session, about $0.0021 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 2026-10-10.

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