Borrowing it
Nothing to install: this file belongs to adobecom/da-express-milo. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/adobecom/da-express-milo/stage/.claude/skills/build-express-block/SKILL.mdgit clone --depth 1 https://github.com/adobecom/da-express-miloWrote 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/adobecom/da-express-milo/build-express-block)<a href="https://agentmods.dev/skills/adobecom/da-express-milo/build-express-block"><img src="https://agentmods.dev/badge/skills/adobecom/da-express-milo/build-express-block/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/adobecom/da-express-milo/build-express-block"><img src="https://agentmods.dev/badge/skills/adobecom/da-express-milo/build-express-block.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 | $0.00024 | $0.00942 |
| Opus 5.5 | $0.00010 | $0.00377 |
| Sonnet 5.5 | $0.00005 | $0.00188 |
| Haiku 4.5 | $0.00002 | $0.00094 |
Grade A, and why
build-express-block 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 — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
build-express-block
Orchestrates the build-content-from-figma and build-block-from-figma skills end-to-end: gather inputs once, author the content document, capture the resulting .aem.live URL, then build the Express block against that page.
Phase A — Gather all inputs upfront
Ask the user for the following in a single message. Collect every value before invoking either skill.
| Input | Required | Notes |
|---|---|---|
| Figma URL — Mobile (< 600 px) | At least one of the five | Frame link |
| Figma URL — Small Tablet (600–899 px) | Frame link | |
| Figma URL — Large Tablet (900–1199 px) | Frame link | |
| Figma URL — Desktop (≥ 1200 px) | Frame link | |
| Figma URL — Widescreen (≥ 1680 px) | Frame link (optional) | |
| DA organization | Yes | e.g. adobecom |
| DA repository | Yes | e.g. da-express-milo |
| DA file path | Yes | e.g. drafts/<ldap>/my-block |
| Block name override | No | Skip if you want the content skill to infer from Figma metadata |
| Base branch (block skill) | No | Default stage |
Validation:
- At least one Figma URL is mandatory.
- Org, repo, and DA path are all mandatory.
- Do not proceed until every required input is provided.
Show the collected inputs back to the user and ask for one confirmation before kicking off the chain.
Phase B — Run the content skill
Use the local .claude/skills/build-content-from-figma/SKILL.md skill. Hand it the Figma URLs (with their viewport labels), the DA org/repo/path, and the block name override if the user provided one. If the skill cannot be used, stop and report why; do not skip its workflow.
The content skill has its own internal prompts (block name confirmation, diff review, upload confirmation, preview/publish confirmation). Let the user answer those directly — do not pre-answer or skip them.
When the content skill reaches Phase 7 (Preview & Publish), the user must opt in to publishing for the chain to continue. If they decline, stop here and tell the user the block skill needs an .aem.live URL to run.
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 · 89 lines · 24 tokens per session scan A 680773016fdb
build-express-block is a skill published in the GitHub repository adobecom/da-express-milo (6 stars, last pushed yesterday), licensed Apache-2.0. It adds 24 tokens to every session and 942 once invoked, about $0.0001 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 2026-10-06.
build-express-block compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| build-express-blockadobecom/da-express-milo | Skill | 6 | yesterday | Apache-2.0 | A | 24 | Claude Code |
| anti-slop-designsickn33/agentic-awesome-skills | Skill | 49k | yesterday | MIT | A | 34 | Claude Code |
| chakra-ui-builderchakra-ui/chakra-ui | Skill | 41k | yesterday | MIT | A | 214 | Claude Code, Codex |
| visual-ralphYeachan-Heo/oh-my-codex | Skill | 34k | 3d ago | MIT | A | 52 | Codex |
| open-design-setupcompozy/compozy | Skill | 2.8k | yesterday | MIT | A | 67 | Claude Code, Codex |
| frontend-visual-qadaymade/claude-code-skills | Skill | 1.5k | yesterday | MIT | A | 125 | Claude Code, Codex |
| prototype-webnexu-io/html-anything | Skill | 9.4k | 25d ago | Apache-2.0 | A | 24 | Claude Code, Codex |