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 skills add PabloNAX/ultracode-skill --skill ultracodegit clone --depth 1 https://github.com/PabloNAX/ultracode-skillWrote 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/skills/pablonax/ultracode-skill/ultracode)<a href="https://agentmods.dev/skills/pablonax/ultracode-skill/ultracode"><img src="https://agentmods.dev/badge/skills/pablonax/ultracode-skill/ultracode/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/skills/pablonax/ultracode-skill/ultracode"><img src="https://agentmods.dev/badge/skills/pablonax/ultracode-skill/ultracode.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00087 | $0.03146 |
| Opus 5.5 | $0.00035 | $0.01258 |
| Sonnet 5.5 | $0.00017 | $0.00629 |
| Haiku 4.5 | $0.00009 | $0.00315 |
Grade A, and why
ultracode 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 — 422 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Ultracode
Run a supervised workflow for work that needs planning, packetization, native agent delegation, integration, and verification.
This is a skill, not a runtime. It works by giving the current coding agent a disciplined operating procedure. It can be used in Codex, Claude Code, Antigravity, or another host that loads SKILL.md, but the host's own system rules and available tools always win.
Contract
- Do not claim to be an official Claude, OpenAI, Google, or Antigravity feature.
- Ultracode itself is just a skill: no bundled runtime, hidden runner, or required scripts.
- Use task-specific tools exposed by the current host when the task needs them.
- Create and update workflow artifacts directly as Markdown and JSON files.
- Use native subagents when the current host exposes them, the task benefits from parallel work, and the user's request or host policy permits delegation.
- Do not commit, push, publish, or deploy unless the user explicitly asks for that action.
- Treat an explicit
ultracode,$ultracode, or "ultra code" request as permission to choose delegated mode when the host allows that interpretation. - In Codex, prefer real
spawn_agentfor useful independent packets when the request clearly invokes Ultracode or otherwise asks for subagents, delegation, parallel agents, a swarm, or equivalent agent work. - For explicit Ultracode on a non-trivial task, delegated mode is the default when native agents exist and any independent sidecar work would help.
- Choose no native agents only when the task is small, tightly coupled, lacks useful independent packets, needs the next blocking decision locally, native agents are unavailable, or the user restricts delegation.
- In hosts with a different dynamic-workflow policy, follow that host's policy.
- If a host policy requires separate delegation wording, do not fight it; use workflow mode and mention that native delegation was not permitted.
Use the smallest workflow that can prove the result. Do not create ceremony for small tasks.
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 422 lines · 87 tokens per session scan A 5f7da1956ec6
ultracode is a skill published in the GitHub repository PabloNAX/ultracode-skill (190 stars, last pushed 4mo ago), licensed MIT. It adds 87 tokens to every session and 3,146 once invoked, about $0.0003 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.
Other skills, from other repositories
submit-producti-directories-merged
A workflow for carrying out authorised backlink submissions to product directories and official contact forms, with duplicate checks, verification, evidence, and recovery records. It is intended for execution rather than just researching candidates.
writer
SEO-friendly article writing, audit, and humanization workflow for Markdown content. Use when creating, outlining, editing, auditing, rewriting, or quality-checking blog posts, tutorials, comparisons, listicles, explainers, FAQ sections, excerpts, SEO titles, meta descriptions, tags, or Google-friendly content briefs…
backlink-expansion-matrix
Orchestrate an end-to-end backlink expansion project from Semrush or local source files through batch and editorial screening, historical deduplication, workbook delivery, and QA. Use when the request spans more than one backlink stage; do not treat candidates as submitted or published links.
board-memo
Draft a board or executive summary of an engagement using outcomes, risks and investment decisions. Use when the sponsor needs to brief senior leadership.
brief
Clarify a new customer brief, desired outcome, constraints and evidence gaps. Use for kickoff or a first meeting; do not repeat discovery already supplied.
earn-trust
Plan how to earn customer trust and appropriate access. Use when credibility, permissions or AI policy constrain the engagement.