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discord-mcp-server: Instructions file for Codex

AGENTS.md

discord-mcp-server AGENTS.md is an instructions file for Codex, OpenCode from ngoctranfire/discord-mcp-server. It costs 315 tokens per session, scanned A, original, MIT.

A set of coding instructions for a Discord MCP server, which lets an AI assistant work with Discord. It describes the project’s runtime, TypeScript style, file structure, validation, and error handling.

In plain words
What is it for?
Use it when developing or reviewing tools in the server, especially tool parameters, Discord API calls, guild selection, filenames, and returned messages.
Why use it?
It gives contributors consistent rules for adding tools and handling Discord API failures without exposing technical errors to users.

Instructions file for CodexOpenCode

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

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

not rated 2repo 8mo ago A scan 315 tokens original MIT
View source ↗ ngoctranfire/discord-mcp-server
Reuse

Borrowing it

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

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.

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README.md
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/instructions/ngoctranfire/discord-mcp-server/agents-md"><img src="https://agentmods.dev/badge/instructions/ngoctranfire/discord-mcp-server/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 315 This file is loaded in full into every session.
When invoked 315 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 $0.00315 $0.00315
Opus 5.5 $0.00126 $0.00126
Sonnet 5.5 $0.00063 $0.00063
Haiku 4.5 $0.00032 $0.00032

Measured 2mo ago against content hash 47519c3df241, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

discord-mcp-server 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 · 42 lines

What it actually says

Discord MCP — Agent Conventions

Runtime

  • Bun is the primary runtime. Always use bun run, bun add, bun test.
  • Node.js compatibility is maintained for npx distribution.

Stack

  • FastMCP (v3.x) for MCP server framework
  • discord.js (v14.x) for Discord API
  • Zod (v4.x) for schema validation
  • Biome for linting and formatting

Code Style

  • TypeScript strict mode, ESNext target
  • Use tab indentation (configured in biome.json)
  • Max line width: 100 characters
  • Use type imports for type-only imports

Tool Pattern

Every tool file in src/tools/ exports a register(server, client) function. Tools must:

  1. Use Zod schemas for parameters
  2. Use withDiscordErrorHandling() for all Discord API calls
  3. Support optional guildId with fallback to DISCORD_GUILD_ID env var
  4. Return human-readable strings (not raw JSON)

Error Handling

  • Use UserError from FastMCP for user-facing errors
  • Map Discord API error codes via withDiscordErrorHandling()
  • Never expose raw Discord API errors to the MCP client

File Naming

  • Tool files: kebab-case (e.g., server-info.ts)
  • Exports: camelCase functions (e.g., registerServerInfoTools)
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 · 42 lines · 315 tokens per session scan A 47519c3df241

Subscribe to this mod's changes

discord-mcp-server AGENTS.md is an instructions file published in the GitHub repository ngoctranfire/discord-mcp-server (2 stars, last pushed 8mo ago), licensed MIT. It adds 315 tokens to every session, about $0.0013 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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discord-mcp-server AGENTS.md next to 6 instructions from other repositories
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