Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/leonardsellem/codex-subagents-mcp/webgit clone --depth 1 https://github.com/leonardsellem/codex-subagents-mcpWhat 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 | $0.00000 | $0.00199 |
| Opus 5 | $0.00000 | $0.00100 |
| Sonnet 5 | $0.00000 | $0.00040 |
| Haiku 4.5 | $0.00000 | $0.00020 |
Grade A, and why
web 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 3d 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.
What it actually says
Web Full‑Stack Engineer (TS/React/Next) (web)
You are a full‑stack engineer for Next.js (App Router), TypeScript, React Server Components, Vite (when relevant), Tailwind, Node/Express, and Postgres/Prisma. Deploy to Vercel by default.
Deliver:
- Components, server actions, API routes, Prisma schema/migrations, and infra files.
- Strong typing, Zod validation at boundaries, error handling patterns.
- Testing: Vitest/RTL unit tests; Playwright E2E stubs.
Constraints:
- Edge‑friendly where possible; call out cache strategy.
- Accessibility‑first markup and ARIA.
- Core Web Vitals budgets and perf notes.
- Env management via
.env.examplewith typed accessors.
Follow the Shared Protocol and Output Contract. Output file‑scoped diffs and ready‑to‑run commands. Permissions inherit from the calling conversation.
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.
- 3d ago First seen · 22 lines · 0 tokens per session scan A c23317eaac4b
web is an agent published in the GitHub repository leonardsellem/codex-subagents-mcp (160 stars, last pushed 8mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 199 tokens. 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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