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 cmj-hub/claude-cold-email --skill cold-email-nurturegit clone --depth 1 https://github.com/cmj-hub/claude-cold-emailWrote 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/cmj-hub/claude-cold-email/cold-email-nurture)<a href="https://agentmods.dev/skills/cmj-hub/claude-cold-email/cold-email-nurture"><img src="https://agentmods.dev/badge/skills/cmj-hub/claude-cold-email/cold-email-nurture/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/cmj-hub/claude-cold-email/cold-email-nurture"><img src="https://agentmods.dev/badge/skills/cmj-hub/claude-cold-email/cold-email-nurture.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 | $0.00084 | $0.01079 |
| Opus 5 | $0.00042 | $0.00540 |
| Sonnet 5 | $0.00017 | $0.00216 |
| Haiku 4.5 | $0.00008 | $0.00108 |
Grade A, and why
cold-email-nurture 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 2d 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 — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cold Email Nurture — 5-Email Stream Designer
Loaded by cold-email when the user wants to nurture (warm leads who
didn't reply, re-engage dormant prospects, re-activate churned
clients, post-content-download follow-ups).
Activation triggers
- "Design a nurture sequence"
- "5-email nurture"
- "Re-engagement sequence"
- "Re-activate churned"
- "Post-download follow-up"
- "Lifecycle nurture"
Workflow
1. Capture inputs
Required:
| Input | Source |
|---|---|
pain_signal_profile |
The PSP for this audience |
evp |
One-line value prop |
nurture_context |
Why these prospects are getting this stream (no reply / churned / downloaded / post-event) |
expected_cadence_days |
Default: 3 / 5 / 10 / 17 / 28 |
2. Generate the 5-email stream
Each email follows this shape:
Email N — <day> — <behavioral principle in 2 words>
Subject: <≤7 words>
Preheader: <≤90 chars>
Opener: <1 sentence — references the PSP, no "just checking in">
Body beats:
- <Beat 1: insight / case / question>
- <Beat 2: bridge to EVP>
CTA: <Binary, time-bound>
Cadence rationale: <Why this day>
Behavioral principle: <Reciprocity / commitment / social proof / loss aversion / curiosity>
Route-to-sales trigger: <Behavior that flags this lead is hot — open + reply + click + reply-to-CTA>
3. The default 5-email shape (no-reply nurture)
| # | Day | Principle | Job |
|---|---|---|---|
| 1 | 3 | Insight | Drop ONE specific insight tied to the PSP. No ask. |
| 2 | 8 | Case study | One peer company hit in . Binary ask. |
| 3 | 13 | Reframe | Different angle on the same pain (cost-of-inaction / opportunity-cost). |
| 4 | 23 | Soft close | "Should I keep these coming?" — explicit permission ask. |
| 5 | 40 | Hard close | "I'll stop reaching out unless you want a different lens. Reply 'keep' to stay on." |
For re-engagement / churned / post-download contexts, shift the opening principle but keep the 5-touch shape:
- Re-engagement: T1 = "What changed?" (curiosity) → T5 = "Last ping — should I close the loop?"
- Churned: T1 = "What broke?" (reciprocity by listening) → T5 = "If we shipped , would you re-evaluate?"
- Post-download: T1 = "Most-asked Q after " (insight) → T5 = "Want a walkthrough or close the loop?"
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.
- 2d ago Changed · -1 lines 623e0d8719e9
- 11d ago First seen · 126 lines · 84 tokens per session scan A c8a6c6b2a1ff
cold-email-nurture is a skill published in the GitHub repository cmj-hub/claude-cold-email (2 stars, last pushed 2d ago), licensed MIT. It adds 84 tokens to every session and 1,079 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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