prompt-gui-mcp: Instructions file for Codex

AGENTS.md

prompt-gui-mcp AGENTS.md is an instructions file for Codex, OpenCode from royhcj/prompt-gui-mcp. It costs 945 tokens per session, scanned A, original, MIT.

Project instructions for a monorepo containing an MCP server and a Tauri desktop app. A monorepo is one repository that holds multiple related applications or packages.

In plain words
What is it for?
Guiding work on the backend, desktop app, MCP tools, simulators, builds, and type checks.
Why use it?
They explain the project structure and the commands needed to install, develop, build, test, and check the software.

Instructions file for CodexOpenCode

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

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

Reuse

Borrowing it

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

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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Per session 945 This file is loaded in full into every session.
When invoked 945 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 $0.00945 $0.00945
Opus 5 $0.00473 $0.00473
Sonnet 5 $0.00189 $0.00189
Haiku 4.5 $0.00094 $0.00094

Measured 8d ago against content hash 1119fac8497f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

prompt-gui-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 8d 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 · 91 lines

How it starts

The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

This file provides guidance to Codex (Codex.ai/code) when working with code in this repository.

What This Project Is

prompt-gui-mcp is a monorepo implementing an MCP (Model Context Protocol) server with a Tauri desktop companion app. It lets AI agents delegate real-world tasks to humans via two MCP tools:

  • tell-human-to-do — ask the human to complete a task and return status + feedback
  • prompt-form — display a structured form to collect validated user input

Commands

# Install dependencies
pnpm install

# Development
pnpm dev:desktop:app      # Full Tauri dev (frontend + sidecar backend)
pnpm dev:backend          # Backend only (MCP + HTTP server on port 43118)
pnpm dev:desktop          # Vite dev server only (no Tauri shell)

# Build
pnpm build                # Build all packages

# Test / Simulate
pnpm simulate             # Run desktop app + backend tool-call simulator
pnpm simulate:backend     # Backend simulator only (no desktop)

# Type checking
pnpm --filter backend check   # TypeScript check (backend)
pnpm --filter desktop check   # Svelte type check (desktop)

Architecture

Monorepo Structure

  • apps/backend/ — Node.js + TypeScript MCP server
  • apps/desktop/ — Svelte + Vite frontend + Tauri v2 Rust shell

Data Flow

MCP Host → (stdio) → Backend → HTTP API ↔ Desktop UI → User
                         ↓          ↓           ↓
                    Queue Task   SSE Stream   Form/Text
                         ↑          ↑           ↓
                    Resolve     HTTP POST ← User Input

Backend (apps/backend/src/)

File Role
index.ts Entry point — creates MCP server, starts HTTP on port 43118
mcp/tell-human-to-do.ts MCP tool — validates and enqueues simple instruction task
mcp/prompt-form.ts MCP tool — validates form schema (Zod), enqueues structured form task
services/task-queue.ts Core state machine — single active task + queue, Promise-based resolution
services/runtime.ts Singleton taskQueue instance
transport/http.ts HTTP API: GET /api/state, GET /api/events (SSE), POST /api/tasks/:id/result, POST /mcp

Read the full file on GitHub · 91 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. 8d ago First seen · 91 lines · 945 tokens per session scan A 1119fac8497f

Subscribe to this mod's changes

prompt-gui-mcp AGENTS.md is an instructions file published in the GitHub repository royhcj/prompt-gui-mcp (1 stars, last pushed 2mo ago), licensed MIT. It adds 945 tokens to every session, about $0.0047 per session on Opus 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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