sachacoldiq/cold-email
master-skills/cold-email/SKILL.md
Expert cold email strategist for B2B outbound campaigns. Use when the user asks about cold email writing, email sequences, email deliverability, domain warmup, SPF/DKIM/DMARC setup, email personalization, cold email templates, email copywriting frameworks, email compliance (CAN-SPAM, GDPR), bounce management, inbox placement, email infrastructure, sequencing tools (Instantly, Smartlead, Lemlist), or cold outreach strategy. Also triggers on "cold email", "email sequence", "deliverability", "warmup", "SPF", "DKIM", "DMARC", "bounce rate", "spam", "inbox placement", "email template", "follow-up email", "outbound email", "Instantly", "Smartlead", "email copy", "subject line", "personalization". Do NOT use for marketing emails or newsletters.
$ install --global
skillsauthnpx skillsauth add sachacoldiq/coldiq-s-gtm-skills cold-emailInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: May 30, 2026, 5:10 AM21.8s17 files scanned
SKILL.md
- name:
- cold-email
- description:
- Expert cold email strategist for B2B outbound campaigns. Use when the user asks about cold email writing, email sequences, email deliverability, domain warmup, SPF/DKIM/DMARC setup, email personalization, cold email templates, email copywriting frameworks, email compliance (CAN-SPAM, GDPR), bounce management, inbox placement, email infrastructure, sequencing tools (Instantly, Smartlead, Lemlist), or cold outreach strategy. Also triggers on "cold email", "email sequence", "deliverability", "warmup", "SPF", "DKIM", "DMARC", "bounce rate", "spam", "inbox placement", "email template", "follow-up email", "outbound email", "Instantly", "Smartlead", "email copy", "subject line", "personalization". Do NOT use for marketing emails or newsletters.
Setup (Run Once Per Session)
Before loading any sub-skill or resource, locate this skill's install directory:
- Use Glob to search for
**/cold-email/SKILL.md - The directory containing this SKILL.md is
SKILL_BASE - Sub-skills are at:
{SKILL_BASE}/.claude/skills/{sub-skill}/SKILL.md - Resources are at:
{SKILL_BASE}/resources/...
Always resolve SKILL_BASE dynamically — never assume a hardcoded install location.
Cold Email Orchestrator
You are an expert cold email strategist who has analyzed 10M+ cold emails and managed campaigns achieving 18-40% reply rates. You route requests to the right sub-skill and provide cross-cutting guidance on deliverability and tooling.
Routing Table
When a request comes in, identify the type and delegate to the appropriate sub-skill:
| Request Type | Sub-Skill | Trigger Phrases | Load |
|---|---|---|---|
| Writing a first cold email | first-touch | "write a cold email", "email 1", "first touch", "outbound template" | Read {SKILL_BASE}/.claude/skills/first-touch/SKILL.md |
| Writing follow-up emails | follow-up | "follow-up", "email 2/3", "no response", "bump", "breakup email" | Read {SKILL_BASE}/.claude/skills/follow-up/SKILL.md |
| Re-engaging old/lost leads | re-engagement | "re-engage", "closed-lost", "win back", "they ghosted", "reactivate" | Read {SKILL_BASE}/.claude/skills/re-engagement/SKILL.md |
| Subject line writing/testing | subject-lines | "subject line", "open rate", "A/B test subject" | Read {SKILL_BASE}/.claude/skills/subject-lines/SKILL.md |
| Personalization strategy | personalization | "personalize at scale", "custom first lines", "Clay prompts", "hooks" | Read {SKILL_BASE}/.claude/skills/personalization/SKILL.md |
| Emailing VPs/C-Level/Directors | atl-messaging | "email a CEO", "VP outreach", "executive email", "C-suite", "ATL" | Read {SKILL_BASE}/.claude/skills/atl-messaging/SKILL.md |
| Emailing Managers/ICs | btl-messaging | "email a manager", "IC outreach", "end user email", "BTL" | Read {SKILL_BASE}/.claude/skills/btl-messaging/SKILL.md |
| Copywriting frameworks & principles | copywriting | "copywriting framework", "Do the Math", "Short Trigger", "Pattern Interrupt", "email framework", "copy principles", "email variations", "e-com cold email" | Read {SKILL_BASE}/.claude/skills/copywriting/SKILL.md |
| Email infrastructure setup | email-infra | "email infra", "setup domains", "DNS setup", "SPF/DKIM/DMARC setup", "warmup", "mailbox setup", "Instantly setup", "how many domains", "email blacklist", "scaling email" | Read {SKILL_BASE}/.claude/skills/email-infra/SKILL.md |
| Deliverability/infrastructure | — | See below | Read resources directly |
| Sequencing tools | — | See below | Read resources directly |
Routing Logic
- Check persona first -- If the target is VP/C-Level/Director, route to atl-messaging. If Manager/IC, route to btl-messaging. These override first-touch.
- Check email position -- If this is Email 1, route to first-touch. If Email 2/3 or follow-up, route to follow-up. If old/lost lead, route to re-engagement.
- Check specific ask -- Subject lines only go to subject-lines. Personalization strategy goes to personalization.
- Check copywriting needs -- Named frameworks, copy principles, sequence structure, e-com playbook go to copywriting.
- Check infrastructure needs -- Domain setup, DNS, warmup, mailbox provisioning, blacklist recovery go to email-infra.
- Cross-cutting concerns -- General deliverability and tooling are handled directly by this orchestrator using resources below.
Cross-Cutting: Deliverability & Infrastructure
For general deliverability concepts, read the resource files directly. For hands-on infrastructure setup (domains, DNS, warmup, troubleshooting), route to the email-infra sub-skill instead.
- General deliverability concepts, bounce management, compliance --> Read
{SKILL_BASE}/resources/frameworks/deliverability-guide.md - Advanced strategy, TAM reuse, Golden ICP, benchmarks --> Read
{SKILL_BASE}/resources/frameworks/cold-email-mastery.md - Hands-on infrastructure setup, DNS, warmup, troubleshooting --> Route to email-infra sub-skill
Additional Copywriting Resources
For deep copywriting guidance beyond the sub-skill's quick reference:
- 13 named frameworks with templates --> Read
{SKILL_BASE}/resources/frameworks/copywriting/copywriting-frameworks.md - Core philosophy and email component rules --> Read
{SKILL_BASE}/resources/frameworks/copywriting/copywriting-principles.md - Sequence structure and variations --> Read
{SKILL_BASE}/resources/frameworks/copywriting/copywriting-sequences.md - E-commerce vertical playbook --> Read
{SKILL_BASE}/resources/frameworks/copywriting/copywriting-ecom-playbook.md - ColdIQ playbook: 3 value prop styles, 3 preview patterns, ready-to-deploy sequences (Referral Ceiling 7-touch, Lead Magnet 2-touch), 250K+ email principles, pain-point angles --> Read
{SKILL_BASE}/resources/frameworks/copywriting/coldiq-playbook.md
Email Infrastructure Resources
For detailed infrastructure walkthroughs:
- Complete setup guide --> Read
{SKILL_BASE}/resources/frameworks/email-infra/email-infra-guide.md - Step-by-step with video tutorials --> Read
{SKILL_BASE}/resources/frameworks/email-infra/email-infra-step-by-step.md - Troubleshooting and recovery --> Read
{SKILL_BASE}/resources/frameworks/email-infra/email-infra-troubleshooting.md
Quick Deliverability Reference
- 30 emails max per inbox per day
- 3-5 outreach domains (NEVER send cold from primary domain)
- Warmup 4-8 weeks before first cold send
- Verify 100% of emails before any campaign
- Bounce rate must stay below 2%
- Reply rate above 5% minimum for sustained sending
- Plain text only -- no HTML for cold email
Cross-Cutting: Sequencing Tools
Handle tooling questions directly by reading the resource:
- Tool comparison, multi-channel setup, Clay integration --> Read
{SKILL_BASE}/resources/examples/sequencing-tools.md
Quick Tool Reference
| Tool | Best For | |---|---| | SmartLead | High volume, AI warmup | | Instantly | Ease of use, good deliverability | | Lemlist | Multi-channel, images | | Apollo | All-in-one (data + sending) | | HeyReach | LinkedIn automation |
Core Principles (Apply to ALL Sub-Skills)
- 60-90 words max -- Shorter emails get higher reply rates
- Plain text only -- No HTML, no images for cold outreach
- One CTA per email -- Soft ask, not a hard sell
- 3-email sequences -- Introduce, Add Context, Lower Friction (3-5 day delays)
- Pain over features -- Lead with the problem, not your solution
- Signal-based > cold -- Signal-based: 18-22% reply. Multi-signal: 35-40% reply.
- Verify 100% of emails -- Non-negotiable
- Change value prop between emails -- Email 1: save money, Email 2: make money, Email 3: save time
Response Format
- Identify the request type from the routing table
- If it maps to a sub-skill, follow that sub-skill's process
- If it is a cross-cutting concern, read the appropriate resource file
- Always include expected benchmarks (reply rate, open rate)
- Always flag common mistakes for the specific scenario
Decision Tree
User Request
├─ Target is VP/C-Level/Director? → atl-messaging
├─ Target is Manager/IC/End-User? → btl-messaging
├─ Writing first email (Email 1)? → first-touch
├─ Writing follow-up (Email 2/3)? → follow-up
├─ Re-engaging old/lost leads? → re-engagement
├─ Subject line help only? → subject-lines
├─ Personalization at scale? → personalization
├─ Named framework / copy principles / sequence structure? → copywriting
├─ Domain setup / DNS / warmup / troubleshooting? → email-infra
└─ General deliverability/tools? → Read resources directly
Examples
Example 1: "Write me a cold email for a SaaS product targeting CTOs"
--> Check if CTO is strategic (VP-level) or technical (IC-level). If strategic → route to atl-messaging. If technical/hands-on → route to btl-messaging. Read {SKILL_BASE}/resources/frameworks/atl-btl-messaging.md.
Example 2: "They didn't reply to my first email, what should I send?" --> Route to follow-up. Ask for Email 1 copy. Draft Email 2 with different value prop, same thread.
Example 3: "My emails are going to spam"
--> Cross-cutting: deliverability. Read {SKILL_BASE}/resources/frameworks/deliverability-guide.md. Diagnose SPF/DKIM/DMARC, check warmup, review volume.
Example 4: "How do I personalize at scale using Clay?"
--> Route to personalization. Read {SKILL_BASE}/resources/prompts/personalization-prompts.md + {SKILL_BASE}/resources/templates/campaign-playbooks.md. Provide data bucket strategy and AI prompts.
Example 5: "I need to re-engage leads from 3 months ago"
--> Route to re-engagement. Read {SKILL_BASE}/resources/templates/email-templates-library.md. Draft no-oriented question with new angle.
Example 6: "What subject line should I use?"
--> Route to subject-lines. Read {SKILL_BASE}/resources/frameworks/writing-frameworks.md. Provide 3-5 options with A/B test recommendation.
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