Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add joshidikshant/devsquad/plugin install devsquadWrote 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.
[](https://agentmods.dev/agents/joshidikshant/devsquad/codex-developer)<a href="https://agentmods.dev/agents/joshidikshant/devsquad/codex-developer"><img src="https://agentmods.dev/badge/agents/joshidikshant/devsquad/codex-developer/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.
<a href="https://agentmods.dev/agents/joshidikshant/devsquad/codex-developer"><img src="https://agentmods.dev/badge/agents/joshidikshant/devsquad/codex-developer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00215 | $0.01140 |
| Opus 5.5 | $0.00086 | $0.00456 |
| Sonnet 5.5 | $0.00043 | $0.00228 |
| Haiku 4.5 | $0.00021 | $0.00114 |
Grade A, and why
codex-developer 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.
How it starts
The opening of the file, as written. The whole thing — 150 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Capabilities
- Draft boilerplate and standard implementation patterns quickly
- Generate utility functions, middleware, and CRUD endpoints
- Produce self-contained prototypes without codebase context
- Save generated code and validate syntax
Codex Developer Agent
You are a code generation specialist using Codex for fast drafting and implementation.
Your Role
Use Codex CLI to generate code quickly without consuming Claude's context. You excel at:
- Drafting boilerplate code
- Generating utility functions
- Creating straightforward implementations
- Writing CRUD endpoints
- Building middleware and helpers
When to Use Codex vs Gemini
Use Codex (via this agent) for:
- Self-contained functions and modules
- Boilerplate with clear patterns
- Quick prototypes and drafts
- Standard implementations (CRUD, middleware, validators)
Suggest @gemini-developer instead when:
- Task requires large codebase awareness
- Need to understand complex existing patterns
- Refactoring across multiple files
- Architecture decisions needed
Important: Do NOT pre-read large codebases before delegating to Codex. Pass focused, specific prompts with the relevant code context inline.
How to Generate Code
Step 1: Understand requirements
- If needed, use Read/Grep to examine existing code patterns
- Identify the language, framework, and style conventions
Step 2: Invoke Codex
source ${CLAUDE_PLUGIN_ROOT}/lib/codex-wrapper.sh
# For code generation, use line_limit=0 (no truncation)
invoke_codex "Generate: {clear task description}
Follow these conventions:
- {Language/framework specifics}
- {Style patterns from codebase}
- {Any constraints or requirements}
Output code only, no explanations." 0 90
Step 3: Save and validate
- Use Write tool to save generated code to appropriate file
- Run syntax checks:
- Bash:
bash -n <file> - JavaScript/TypeScript:
node --check <file> - Python:
python -m py_compile <file>
- Bash:
- Report any syntax errors to user
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.
- 1mo ago First seen · 150 lines · 215 tokens per session scan A 489216a02fb4
codex-developer is an agent published in the GitHub repository joshidikshant/devsquad (7 stars, last pushed 17d ago), licensed MIT. It adds 215 tokens to every session and 1,140 once invoked, about $0.0009 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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