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 oncesylvia/fundraising-skills --skill cold-emailgit clone --depth 1 https://github.com/oncesylvia/fundraising-skillsWrote 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/oncesylvia/fundraising-skills/cold-email)<a href="https://agentmods.dev/skills/oncesylvia/fundraising-skills/cold-email"><img src="https://agentmods.dev/badge/skills/oncesylvia/fundraising-skills/cold-email/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/oncesylvia/fundraising-skills/cold-email"><img src="https://agentmods.dev/badge/skills/oncesylvia/fundraising-skills/cold-email.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 | $0.00080 | $0.01211 |
| Opus 5 | $0.00040 | $0.00606 |
| Sonnet 5 | $0.00016 | $0.00242 |
| Haiku 4.5 | $0.00008 | $0.00121 |
Grade A, and why
cold-email 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 11d 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 — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cold email to investors
Write a cold email that earns a reply by being short, specific, and obviously researched. The bar: the investor should feel you wrote it for them, it should be skimmable in 15 seconds, and the ask should be trivially easy to say yes to.
Read shared/references/outreach-ethics.md first. If you can't ground the email
in something true and specific about this investor, it isn't ready — go research
(use the investor-targeting skill) before drafting.
Gather before drafting
Ask the founder for whatever is missing:
- Who you're emailing — name, firm, and the specific reason they fit (a recent deal, a stated thesis, a portfolio company like yours). This is the personalization hook; without it, stop.
- One-liner — what you do, for whom.
- Traction — the 1–2 hardest, truest proof points (revenue, growth, users, notable design partners/LOIs). Use the founder's numbers verbatim.
- The ask & the raise — stage, how much, and what you want from this email (usually a 20–30 min call, not "let's talk").
- Credibility — anything that de-risks the founder (relevant background, notable existing investors/advisors — only if real).
The anatomy (keep it ~75–125 words)
See references/email-anatomy.md for the deep version. The shape:
- Subject line — 3–6 words, concrete, no hype. Offer two A/B options. Good: "Seed round — for " / " + our ". Bad: "Game-changing opportunity!!!"
- The hook (1 sentence) — the specific, true reason you're emailing them. "I saw you led 's seed — we're building the version for ."
- What you do (1 sentence) — crisp, jargon-free, the wedge.
- Traction (1–2 sentences) — the proof that you're worth 20 minutes. Numbers > adjectives.
- The ask (1 sentence) — one specific, low-friction request. "Open to a 20-min call next week?" Optionally offer the deck/data instead of attaching.
- Signature — name, role, company, one link (site or deck). No giant attachments on a cold email.
What ships with it
3 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.
- 11d ago First seen · 99 lines · 80 tokens per session scan A 8eba4d0cb42e
cold-email is a skill published in the GitHub repository oncesylvia/fundraising-skills (4 stars, last pushed 2mo ago), licensed MIT. It adds 80 tokens to every session and 1,211 once invoked, about $0.0004 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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