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-onboardinggit 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-onboarding)<a href="https://agentmods.dev/skills/cmj-hub/claude-cold-email/cold-email-onboarding"><img src="https://agentmods.dev/badge/skills/cmj-hub/claude-cold-email/cold-email-onboarding/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-onboarding"><img src="https://agentmods.dev/badge/skills/cmj-hub/claude-cold-email/cold-email-onboarding.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 | $0.00091 | $0.02031 |
| Opus 5 | $0.00046 | $0.01015 |
| Sonnet 5 | $0.00018 | $0.00406 |
| Haiku 4.5 | $0.00009 | $0.00203 |
Grade A, and why
cold-email-onboarding 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 — 262 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Cold Email Onboarding — first-run setup
Walks the operator through 10 minutes of setup that makes every downstream output 10x more useful than generic framework prose.
Activation
Loaded automatically by cold-email (the orchestrator) on first
invocation when brand-config.json and/or SOUL.md are missing from
the project root.
Also user-invocable on demand:
- "Set up brand config"
- "Configure my voice"
- "Re-run cold-email onboarding"
- "Update brand-config"
Why this exists
Generic cold-email output is worse than no output. The framework is generic — your ICP + PSP + voice are specific. Without those, the skill produces vibes-emails that look like every other AI-generated cold email.
This onboarding sub-skill captures the operator's:
- ICP precision (specific segment, exclusion criteria)
- PSP (signal anchors → felt pain → vocabulary)
- EVP (Schwartz tier + the 22-word line + proof)
- Voice (phrases used + phrases banned + tone settings)
- Stories (case-study reservoir to pull from)
- Infrastructure (domain, inbox provider, deliverability state)
- Operations (weekly cadence, reply routing, experiment log)
Output: brand-config.json + SOUL.md at the project root, both
filled in.
Workflow
Step 0 — Detect prior state
# Pseudo-code logic
exists_brand = file_exists("brand-config.json")
exists_soul = file_exists("SOUL.md")
if exists_brand and exists_soul:
ask: "Both files exist. Refresh them, or skip onboarding?"
elif exists_brand:
"I see brand-config.json but no SOUL.md. Let's add the voice piece."
elif exists_soul:
"I see SOUL.md but no brand-config.json. Let's add the config."
else:
"Welcome. ~10 minute setup. Ready?"
Step 1 — Operator + company
Ask in one batch:
First, the basics:
1. Your name (for the sign-off line)?
2. Your title?
3. Your company?
4. Your calendar / booking link?
Save to brand-config.operator.
Step 2 — ICP precision check
Now your ICP. Be specific. "B2B SaaS" is too broad.
Tell me:
1. The 1-sentence segment (with stage / size / motion / region)
2. The 3 role-titles you target most
3. The 3 exclusion criteria (who you DON'T sell to)
If you're unsure on any of these, that's a signal you need to
sharpen ICP before launching outreach. Let me know if you want to
talk through it, or use a placeholder for now.
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 47f75a6573a7
- 11d ago First seen · 262 lines · 91 tokens per session scan A 469db5c9df80
cold-email-onboarding is a skill published in the GitHub repository cmj-hub/claude-cold-email (2 stars, last pushed 2d ago), licensed MIT. It adds 91 tokens to every session and 2,031 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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