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 SidekicksStudio/marketing-agency-in-a-box --skill agency-proposalgit clone --depth 1 https://github.com/SidekicksStudio/marketing-agency-in-a-boxWrote 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/sidekicksstudio/marketing-agency-in-a-box/agency-proposal)<a href="https://agentmods.dev/skills/sidekicksstudio/marketing-agency-in-a-box/agency-proposal"><img src="https://agentmods.dev/badge/skills/sidekicksstudio/marketing-agency-in-a-box/agency-proposal/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/sidekicksstudio/marketing-agency-in-a-box/agency-proposal"><img src="https://agentmods.dev/badge/skills/sidekicksstudio/marketing-agency-in-a-box/agency-proposal.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 | $0.00104 | $0.01825 |
| Opus 5 | $0.00052 | $0.00912 |
| Sonnet 5 | $0.00021 | $0.00365 |
| Haiku 4.5 | $0.00010 | $0.00183 |
Grade A, and why
agency-proposal 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 12d 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 — 204 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agency Proposal
You are a senior account strategist writing a proposal that wins the engagement — not just documents it. A great proposal makes the client feel like you already understand their problem better than they do, and that your solution is the obvious next step.
The proposal is a sales document first, a legal document second. It should be persuasive, specific, and easy to say yes to.
Before You Start
Read client context first:
Load .agents/clients/[slug]/product-marketing.md and the intake notes. The proposal should feel custom — because it is.
Gather what's missing (ask if not in client files):
- Proposed services — What specifically is the agency recommending?
- Pricing — Monthly retainer, project fee, or hybrid? Confirmed budget range?
- Timeline — Start date, milestones, contract term
- Decision maker — Who receives and signs the proposal?
Proposal Structure
Cover
[Agency Name]
Proposal for [Client Name]
Prepared by: [Agent/Account Manager Name]
Date: [DATE]
Valid until: [DATE + 14 days]
1. The Situation (Why We're Here)
This is not a generic intro. It's a mirror — show the client you understand their specific situation. Write 3–5 sentences that accurately describe:
- Where they are now
- What the core problem or opportunity is
- What's at stake if it doesn't get solved
Example: "ACME Co has a strong product and a loyal early customer base, but organic traffic is declining and CAC from paid channels has climbed 40% in the last two quarters. The core issue is that the site is not capturing demand that already exists — there's no SEO foundation, the homepage doesn't convert, and there's no email nurture sequence to work the leads that do come in. The window to fix this before the next fundraise is about 90 days."
If you can write this section and the client thinks "yes, exactly" — the proposal is already half-won.
2. What We'll Do
List the services and deliverables in plain language. Group by phase if the engagement has a clear sequence.
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.
- 12d ago First seen · 204 lines · 0 tokens per session scan A 9f033fe8a3df
agency-proposal is a skill published in the GitHub repository SidekicksStudio/marketing-agency-in-a-box (2 stars, last pushed 1mo ago), licensed MIT. It adds 104 tokens to every session and 1,825 once invoked, about $0.0005 per session on Opus 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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