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 duc01226/EasyPlatform --skill demo-guidegit clone --depth 1 https://github.com/duc01226/EasyPlatformWrote 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/duc01226/easyplatform/demo-guide)<a href="https://agentmods.dev/skills/duc01226/easyplatform/demo-guide"><img src="https://agentmods.dev/badge/skills/duc01226/easyplatform/demo-guide/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/duc01226/easyplatform/demo-guide"><img src="https://agentmods.dev/badge/skills/duc01226/easyplatform/demo-guide.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 12 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Prompt Injection · line 18 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Prompt Injection · line 49 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Prompt Injection · line 330 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Prompt Injection · line 368 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Prompt Injection · line 420 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Agent Snooping · line 464 Skill reads from agent configuration directories (.claude/, .codex/, .gemini/). These directories may contain API keys, personal settings, and other credentials that the skill has no legitimate need to access.Fix: Remove all code or instructions that access agent configuration directories (.claude/, .codex/, .gemini/). If configuration values are needed, pass them explicitly as parameters or environment variabl
- high Prompt Injection · line 472 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- high Prompt Injection · line 486 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
- medium Excessive Agency · line 556 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium Excessive Agency · line 115 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium Prompt Injection · line 125 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 526 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
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 | $0.00033 | $0.14444 |
| Opus 5.5 | $0.00013 | $0.05778 |
| Sonnet 5.5 | $0.00007 | $0.02889 |
| Haiku 4.5 | $0.00003 | $0.01444 |
Grade A, and why
demo-guide 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.
How it starts
The opening of the file, as written. The whole thing — 459 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Codex compatibility note:
- Invoke
$skill-name: load the registered.agents/skills/<name>/SKILL.mdand execute it with Codex tools; no separateSkilltool or Claude mode switch is needed. Author.claude/**; mirrors are generated.- Track steps before execution and keep progress/evidence current. Explicit skill requests execute their protocol. Use the native question tool for required questions.
- Map foreign tool names to available host capabilities. A name mismatch needs no approval; an actually unavailable required capability stops with its step/evidence and a user question before adaptation.
- Subagent authorization: when a skill is user-invoked or AI-detected and its protocol requires subagents, that skill activation authorizes use of the required
spawn_agentsubagent(s) for that task.- Preserve protocol order unless the user approves a deviation. Workflows use
$start-workflow: gates stay fixed; other steps may flex with logged reasons and evidence.
[BLOCKING] Execute skill steps in declared order. NEVER skip, reorder, or merge steps without explicit user approval. Inside a workflow run,
$start-workflow→ Workflow-step mode bounds this rule. [BLOCKING] Before each step or sub-skill call, update todo tracking: setin_progresswhen step starts, setcompletedwhen step ends. [BLOCKING] Every completed/skipped step MUST include brief evidence or explicit skip reason. [BLOCKING] If Task tools are unavailable, create and maintain an equivalent step-by-step plan tracker with the same status transitions.
Quick Summary
Goal: Investigate an in-scope feature end-to-end, then produce a stakeholder-ready, proof-carrying demo guide with real stories and profile-defined canonical identities linked to actual test/executor or approved manual-QC evidence, runnable user flows, domain storage/solution, and honest proof levels — UI-first, with technical cases in the closing appendix — so presenters can show behaviour, explain its data, and never claim unearned proof.
Summary: Read this if nothing else.
- Purpose: MUST ATTENTION investigate before scripting; prove behaviour, user path, storage, and solution with
file:line; ALWAYS state blockers instead of inventing missing evidence. - Main steps (in order): MUST ATTENTION (0) resolve scope → load output + configured spec contract → size S0–S4 → decompose → create todos; (1) clear the six-question gate + write the Understanding Brief; (2) gather five inventories; (3) map/persist canonical identities to actual carriers + classify channels; (4) trace storage/solution; (5) open guide + ledger and accumulate; (6) write four-part cases; (7) compose the task block at the top; (8) assign proof rungs + transparency; (9) validate.
- Case contract: setup + numbered flow + discriminator + domain storage/solution + proof rung/chain. UI cases lead each story; technical cases keep full rigour in the closing appendix.
- Modes and boundaries:
feature-or-scope,--context,--output,--lang,--html,--stories,--estimate; only--estimateor an explicit estimation instruction names the estimate target — the demo scope never does;--langemits a translated copy and--htmlfollows post-approval Artifact flow; a no-front-end project names its primary demo surface; delegates gather read-only input only; secrets are redacted; deferred work is named in the header and chat summary.
Workflow:
- Resolve Scope, Load Contract, Size & Create Todos — prompt → context → ASK; read the template and configured spec contract; size S0–S4; decompose into story groups; create todos BEFORE the first deep read.
- Understand the Feature FIRST [BLOCKING] — clear the comprehension bar; use read-only gathering delegates only when needed; write the Understanding Brief.
- Gather the Five Inventories — discover through
docs/project-config.json; record each ladder's landing rung. - Map Stories → Cases + Classify the Demo Channel — preserve profile-defined canonical identities and map them to verified test/executor evidence; name gaps and tag every case 🖥️ UI or 🔧 technical; under no-front-end, UI means the declared primary surface (Step 3.1).
- Trace Domain Storage & Solution — per case, identify persisted/changed data, owner, migration/handler, consuming rule, and
file:lineevidence. - Open the Guide + Ledger, Accumulate — write the spine first; add one block per story group; update the ledger as each lands.
- Write Each Case — setup → numbered flow → discriminator → domain storage/solution.
- Compose the Task Block — prepend a copy-paste-ready task at the very top: purpose, overall requirements, ALL acceptance criteria / user stories, authorization requirements, and a bottom-up estimate (effort points + man-days) per
SYNC:estimation-framework, sized over the estimate target only — the current changes by default, the target the user names for estimation, or (no change set in scope) the labelled demo scope — never silently the entire feature. - Prove — assign the proof rung and write the test-execution transparency note.
- Validate — pass the gate below before declaring done.
What ships with it
1 file 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.
- 3d ago Changed · -183 lines · -69 tokens per session 4da2f2c256f1
- 1mo ago First seen · 642 lines · 102 tokens per session scan A 83ad4b390a97
demo-guide is a skill published in the GitHub repository duc01226/EasyPlatform (12 stars, last pushed yesterday), licensed MIT. It adds 33 tokens to every session and 14,444 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 2026-08-31.
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