devspace: Instructions file for Codex

AGENTS.md

devspace AGENTS.md is an instructions file for Codex, OpenCode from Waishnav/devspace. It costs 1,676 tokens per session, scanned A, original, MIT.

A set of project instructions for DevSpace, a local workspace layer that lets tools read files, edit code, run commands, manage Git worktrees, and coordinate limited helper agents.

In plain words
What is it for?
Use it when developing or maintaining DevSpace and need guidance on its product model, security boundaries, or the correct system layer to change.
Why use it?
It explains DevSpace’s boundaries and how its workspace, tools, instructions, and review checkpoints should work together.

Instructions file for CodexOpenCode

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

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

About the project

DevSpace is a self-hosted Model Context Protocol server that lets ChatGPT work with approved projects on a user’s own computer. It enables ChatGPT to inspect and edit files, search code, run terminal commands, and use isolated Git worktrees. The catalogue entries provide agents, a skill, and an instruction for using this local coding workflow.

Waishnav/devspace · 5,296 stars · on GitHub

Reuse

Borrowing it

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

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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Your own site
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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.

agentmods 80×15 button for devspace AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/waishnav/devspace/agents-md"><img src="https://agentmods.dev/badge/instructions/waishnav/devspace/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,676 This file is loaded in full into every session.
When invoked 1,676 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 $0.01676 $0.01676
Opus 5.5 $0.00670 $0.00670
Sonnet 5.5 $0.00335 $0.00335
Haiku 4.5 $0.00168 $0.00168

Measured 1mo ago against content hash f6c11373ed7f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

devspace 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 1mo 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

AGENTS.md · 119 lines

How it starts

The opening of the file, as written. The whole thing — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DevSpace

DevSpace is a local development execution layer for MCP hosts such as ChatGPT and Claude. It gives a remote host workspace-scoped tools for reading, editing, searching, running commands, managing Git worktrees, reviewing changes, and coordinating bounded subagents on the user's machine.

Pi's SDK currently provides mature local coding primitives. DevSpace wraps those primitives in a Streamable HTTP MCP server and adds the product-specific boundaries around them: approved roots, workspace state, instructions, process sessions, worktrees, artifacts, review checkpoints, widgets, and subagent execution.

DevSpace owns tooling mechanics. The model receives only meaningful and actionable choices. The user sees outcomes. Tool defination should not leak internal implementation or it shoudn't be giving unwanted options to model to choose from if tooling can handle this.

Product model

These ideas should stay true as the project evolves:

  1. The host is the orchestrator. DevSpace exposes clear capabilities and execution state. It should not hide the workflow inside an opaque, uninspectable agent loop.
  2. Everything happens in a workspace. A workspace represents one local project directory or worktree plus the instructions and state accumulated while operating in it.
  3. Local authority stays explicit. DevSpace runs with access to the user's machine. Roots, paths, commands, processes, credentials, and destructive operations must be treated as product boundaries.
  4. Subagents are bounded workers. A subagent should have an explicit task, profile, working context, lifecycle, and result that the host can inspect and coordinate.
  5. Adapters stay at the edges. Pi, MCP hosts, and model providers each have their own terminology and capabilities. Provider-specific behavior should not become the core domain model.
  6. Prefer composable primitives. Build a small set of reliable operations that can be combined into larger workflows instead of baking every workflow into the server.

Read the full file on GitHub · 119 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. 1mo ago Changed · +1 lines f6c11373ed7f
  2. 1mo ago First seen · 118 lines · 1,676 tokens per session scan A 47937030f5f0

Subscribe to this mod's changes

devspace AGENTS.md is an instructions file published in the GitHub repository Waishnav/devspace (5,296 stars, last pushed yesterday), licensed MIT. It adds 1,676 tokens to every session, about $0.0067 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 2026-08-30.

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