mcp_rzd_tickets: Instructions file for Codex

AGENTS.md

mcp_rzd_tickets AGENTS.md is an instructions file for Codex, OpenCode from ex3lite/mcp_rzd_tickets. It costs 115 tokens per session, scanned A, original, MIT.

Instructions for a read-only server that shows RZD railway ticket availability and seat information. RZD is Russia’s railway ticketing system.

In plain words
What is it for?
Use it to build the server, inspect available RZD tickets and seats, and access its typed read-only results without booking, paying, cancelling, or changing an account.
Why use it?
It clarifies how to build and run the server while preventing actions that change bookings or accounts. The server is limited to viewing ticket information.

Instructions file for CodexOpenCode

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

This is ex3lite/mcp_rzd_tickets's own configuration. It tells Codex and OpenCode how to work on mcp_rzd_tickets 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 mcp_rzd_tickets configures →

Reuse

Borrowing it

Nothing to install: this file belongs to ex3lite/mcp_rzd_tickets. 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/ex3lite/mcp_rzd_tickets/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/ex3lite/mcp_rzd_tickets

Made for: Codex, OpenCode.

Wrote 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.

agentmods badge for mcp_rzd_tickets AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/ex3lite/mcp_rzd_tickets/agents-md/github.svg)](https://agentmods.dev/instructions/ex3lite/mcp_rzd_tickets/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/ex3lite/mcp_rzd_tickets/agents-md"><img src="https://agentmods.dev/badge/instructions/ex3lite/mcp_rzd_tickets/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.

agentmods 80×15 button for mcp_rzd_tickets AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/ex3lite/mcp_rzd_tickets/agents-md"><img src="https://agentmods.dev/badge/instructions/ex3lite/mcp_rzd_tickets/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 115 This file is loaded in full into every session.
When invoked 115 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 $0.00115 $0.00115
Opus 5.5 $0.00046 $0.00046
Sonnet 5.5 $0.00023 $0.00023
Haiku 4.5 $0.00012 $0.00012

Measured 2mo ago against content hash 7481acf15ce9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mcp_rzd_tickets 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 · 16 lines

What it actually says

Agent Guide

This repository contains a read-only MCP server for RZD ticket visibility.

Use npm run build before running node dist/mcp.js.

Primary files:

  • src/mcp.ts registers MCP tools.
  • src/rzd-client.ts contains all RZD HTTP and seat parsing logic.
  • src/types.ts contains the public typed output contract.
  • docs/AGENTS.md describes recommended tool flow for agents.

Do not add booking, payment, cancellation, or account mutation features here. The server is intentionally read-only.

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 · 16 lines · 115 tokens per session scan A 7481acf15ce9

Subscribe to this mod's changes

mcp_rzd_tickets AGENTS.md is an instructions file published in the GitHub repository ex3lite/mcp_rzd_tickets (2 stars, last pushed 4mo ago), licensed MIT. It adds 115 tokens to every session, about $0.0005 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

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