agentleFS
VersoXBTVersoXBT/mstack/email/SKILL.md

m-email

Skill4 starsChanged 6 months agoMITView on GitHub

Email lifecycle and sequence builder. Creates onboarding, activation, nurture, reactivation, launch, sales, and retention sequences with subject lines, body copy, segmentation logic, timing, CTAs, and measurement. Use when asked for email flows, lifecycle marketing, newsletters, drip campaigns, or launch sequences.

The file

Show its rules and text

We split this skill into the rules it gives an agent

55 rules. About 0 are common, 42 are distinctive, and 13 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈42

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 13

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    If PROACTIVE is "false", do not proactively suggest mstack skills and do not auto-invoke skills based on conversation context.

    line 63
  2. Very specific:

    If SKILL_PREFIX is "true", the user has namespaced skill names.

    line 69
  3. Very specific:

    If output shows UPGRADE_AVAILABLE <old> <new>: read ~/.claude/skills/mstack/mstack-upgrade/SKILL.md and follow the "Inline upgrade flow" …

    line 74
  4. Very specific:

    If PROACTIVE_PROMPTED is no: Ask the user about proactive behavior.

    line 76
  5. Distinctive:

    Ask the user about proactive behavior.

    line 77
  6. Very specific:

    If A: run ~/.claude/skills/mstack/bin/mstack-config set proactive true If B: run ~/.claude/skills/mstack/bin/mstack-config set proactive …

    line 88
  7. Very specific:

    If B: run ~/.claude/skills/mstack/bin/mstack-config set proactive false

    line 89
  8. Very specific:

    If HAS_ROUTING is no AND ROUTING_DECLINED is false AND PROACTIVE_PROMPTED is yes: Check if a CLAUDE.md file exists in the project root.

    line 98
  9. Distinctive:

    Check if a CLAUDE.md file exists in the project root.

    line 99
  10. Distinctive:

    If A: Append this section to the end of CLAUDE.md:

    line 111
  11. Very specific:

    If SPAWNED_SESSION is "true", you are running inside a session spawned by an AI orchestrator (for example, OpenClaw).

    line 140
  12. Distinctive:

    Do not use AskUserQuestion for interactive prompts.

    line 142
  13. Distinctive:

    Do not run upgrade checks or routing injection prompts.

    line 143
  14. Distinctive:

    Use concrete workflows, copy variants, keyword data, channel recommendations, and tradeoffs when useful.

    line 163
  15. Distinctive:

    Avoid filler, throat-clearing, generic optimism, and unsupported claims.

    line 165
  16. Distinctive:

    No em dashes. Use commas, periods, or "...".

    line 168
  17. Distinctive:

    No AI vocabulary: delve, crucial, robust, comprehensive, nuanced, multifaceted, furthermore, moreover, additionally, pivotal, landscape, …

    line 169
  18. Distinctive:

    No banned phrases: "here's the kicker", "here's the thing", "plot twist", "let me break this down", "the bottom line", "make no mistake", …

    line 170
  19. Distinctive:

    After compaction or at session start, check for recent project artifacts.

    line 180
  20. Distinctive:

    If artifacts are listed, read the most recent one to recover context.

    line 195
  21. Very specific:

    If recent artifacts are listed, read the most relevant one before producing new marketing output.

    line 197
  22. Distinctive:

    Always follow this structure for every AskUserQuestion call:

    line 204
  23. Distinctive:

    Always flag anything that looks wrong: one sentence, what you noticed and its impact.

    line 226
  24. Distinctive:

    Before making a marketing claim, check the evidence first.

    line 230
  25. Distinctive:

    When completing a skill workflow, report status using one of:

    line 242
  26. Distinctive:

    If you have attempted a task 3 times without success, stop and escalate.

    line 253
  27. Distinctive:

    If you are uncertain about a security-sensitive change, stop and escalate.

    line 254
  28. Distinctive:

    If the scope of work exceeds what you can verify, stop and escalate.

    line 255
  29. Distinctive:

    Default to action. Draft with explicit assumptions when the missing context is not material to the outcome.

    line 267
  30. Distinctive:

    When context is thin, produce:

    line 271
  31. Distinctive:

    Before completing, reflect on this session:

    line 278
  32. Distinctive:

    If yes, log an operational learning for future sessions:

    line 284
  33. Distinctive:

    Don't log obvious things or one-time transient errors (network blips, rate limits).

    line 291
  34. Distinctive:

    When the skill workflow completes, report the outcome (success, error, or abort) to the user.

    line 296
  35. Distinctive:

    When in plan mode, these operations are always allowed because they produce artifacts that inform the plan, not code changes:

    line 300
  36. Distinctive:

    If a user invokes a skill during plan mode, that invoked skill workflow takes precedence over generic plan mode behavior until it finishes …

    line 314
  37. Distinctive:

    Treat the loaded skill as executable instructions, not reference material.

    line 318
  38. Distinctive:

    If the skill says to use AskUserQuestion, do that.

    line 321
  39. Distinctive:

    If the skill reaches a STOP point, stop immediately at that point, ask the required question if any, and wait for the user's response.

    line 324
  40. Distinctive:

    If the skill includes commands marked "PLAN MODE EXCEPTION - ALWAYS RUN," execute them.

    line 328
  41. Distinctive:

    Only call ExitPlanMode after the active skill workflow is complete and there are no other invoked skill workflows left to run, or if the …

    line 333
  42. Distinctive:

    When you are in plan mode and about to call ExitPlanMode:

    line 339
  43. Very specific:

    Check if the plan file already has a ## MSTACK MARKETING STATUS section.

    line 341
  44. Distinctive:

    If it does, update it instead of appending a duplicate.

    line 342
  45. Distinctive:

    If it does not, append this section:

    line 343
  46. Very specific:

    If brand context is loaded, use the voice, audience, and positioning from brand.yaml for all content in this skill.

    line 377
  47. Distinctive:

    Search for relevant learnings from previous sessions:

    line 385
  48. Very specific:

    If CROSS_PROJECT is unset (first time): Use AskUserQuestion:

    line 397
  49. Distinctive:

    If learnings are found, incorporate them into your analysis.

    line 413
  50. Distinctive:

    If the user only asks for "emails", choose the most likely lifecycle moment and state the assumption before drafting.

    line 441
  51. Very specific:

    If consent posture or legal region is unclear, do not draft promotional email as if it is safe.

    line 444
  52. Distinctive:

    Use these defaults when the user gives only a high-level sequence type:

    line 450
  53. Distinctive:

    Add variants where useful:

    line 491
  54. Distinctive:

    Do not give legal advice, but do surface operational risk.

    line 526
  55. Distinctive:

    When live research is used, say which source or API was queried in the final output.

    line 559

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md
<!-- AUTO-GENERATED from SKILL.md.tmpl — do not edit directly --><!-- Regenerate: bun run gen:skill-docs -->

Preamble (run first)

_UPD=$(~/.claude/skills/mstack/bin/mstack-update-check 2>/dev/null || .claude/skills/mstack/bin/mstack-update-check 2>/dev/null || true)
[ -n "$_UPD" ] && echo "$_UPD" || true
mkdir -p ~/.mstack/sessions
touch ~/.mstack/sessions/"$PPID"
_SESSIONS=$(find ~/.mstack/sessions -mmin -120 -type f 2>/dev/null | wc -l | tr -d ' ')
find ~/.mstack/sessions -mmin +120 -type f -exec rm {} + 2>/dev/null || true
_PROACTIVE=$(~/.claude/skills/mstack/bin/mstack-config get proactive 2>/dev/null || echo "true")
_PROACTIVE_PROMPTED=$([ -f ~/.mstack/.proactive-prompted ] && echo "yes" || echo "no")
_BRANCH=$(git branch --show-current 2>/dev/null || echo "unknown")
echo "BRANCH: $_BRANCH"
_SKILL_PREFIX=$(~/.claude/skills/mstack/bin/mstack-config get skill_prefix 2>/dev/null || echo "false")
echo "PROACTIVE: $_PROACTIVE"
echo "PROACTIVE_PROMPTED: $_PROACTIVE_PROMPTED"
echo "SKILL_PREFIX: $_SKILL_PREFIX"
source <(~/.claude/skills/mstack/bin/mstack-repo-mode 2>/dev/null) || true
REPO_MODE=${REPO_MODE:-unknown}
echo "REPO_MODE: $REPO_MODE"
# Learnings count
eval "$(~/.claude/skills/mstack/bin/mstack-slug 2>/dev/null)" 2>/dev/null || true
_LEARN_FILE="${MSTACK_HOME:-$HOME/.mstack}/projects/${SLUG:-unknown}/learnings.jsonl"
if [ -f "$_LEARN_FILE" ]; then
  _LEARN_COUNT=$(wc -l < "$_LEARN_FILE" 2>/dev/null | tr -d ' ')
  echo "LEARNINGS: $_LEARN_COUNT entries loaded"
  if [ "$_LEARN_COUNT" -gt 5 ] 2>/dev/null; then
    ~/.claude/skills/mstack/bin/mstack-learnings-search --limit 3 2>/dev/null || true
  fi
else
  echo "LEARNINGS: 0"
fi
# Check if CLAUDE.md has routing rules
_HAS_ROUTING="no"
if [ -f CLAUDE.md ] && grep -q "## Skill routing" CLAUDE.md 2>/dev/null; then
  _HAS_ROUTING="yes"
fi
_ROUTING_DECLINED=$(~/.claude/skills/mstack/bin/mstack-config get routing_declined 2>/dev/null || echo "false")
echo "HAS_ROUTING: $_HAS_ROUTING"
echo "ROUTING_DECLINED: $_ROUTING_DECLINED"
# Detect spawned session (OpenClaw or other orchestrator)
[ -n "$OPENCLAW_SESSION" ] && echo "SPAWNED_SESSION: true" || true

If PROACTIVE is "false", do not proactively suggest mstack skills and do not auto-invoke skills based on conversation context. Only run skills the user explicitly types (for example, /m-write, /m-audit, /m-campaign). If you would have auto-invoked a skill, briefly say: "I think /skillname might help here. Want me to run it?" and wait for confirmation. The user opted out of proactive behavior.

If SKILL_PREFIX is "true", the user has namespaced skill names. When suggesting or invoking other mstack skills, use the /m- prefix (for example, /m-write instead of /write, /m-audit instead of /audit). Disk paths are unaffected; always use ~/.claude/skills/mstack/[skill-name]/SKILL.md for reading skill files.

If output shows UPGRADE_AVAILABLE <old> <new>: read ~/.claude/skills/mstack/mstack-upgrade/SKILL.md and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with 4 options, write snooze state if declined). If JUST_UPGRADED <from> <to>: tell user "Running mstack v{to} (just updated!)" and continue.

If PROACTIVE_PROMPTED is no: Ask the user about proactive behavior. Use AskUserQuestion:

mstack can proactively figure out when you might need a skill while you work, like suggesting /m-audit when you ask "what should we fix first?", /m-write when you need campaign copy, or /m-report when you paste performance data. We recommend keeping this on, it speeds up marketing execution.

Options:

  • A) Keep it on (recommended)
  • B) Turn it off, I'll type /commands myself

If A: run ~/.claude/skills/mstack/bin/mstack-config set proactive true If B: run ~/.claude/skills/mstack/bin/mstack-config set proactive false

Always run:

touch ~/.mstack/.proactive-prompted

This only happens once. If PROACTIVE_PROMPTED is yes, skip this entirely.

If HAS_ROUTING is no AND ROUTING_DECLINED is false AND PROACTIVE_PROMPTED is yes: Check if a CLAUDE.md file exists in the project root. If it does not exist, create it.

Use AskUserQuestion:

mstack works best when your project's CLAUDE.md includes skill routing rules. This tells Claude Code to use specialized workflows (like /m-brand, /m-audit, /m-write) instead of answering directly. It's a one-time addition, about 15 lines.

Options:

  • A) Add routing rules to CLAUDE.md (recommended)
  • B) No thanks, I'll invoke skills manually

If A: Append this section to the end of CLAUDE.md:


## Skill routing

When the user's request matches an available skill, ALWAYS invoke it using the Skill
tool as your FIRST action. Do not answer directly and do not use other tools first.
The skill has specialized workflows that produce better results than ad-hoc answers.

Key routing rules:
- Content writing, blog posts, articles -> invoke m-write
- SEO analysis, keyword research, on-page optimization -> invoke m-seo
- Social media posts, captions, engagement copy -> invoke m-social
- Ad campaigns, ad copy, paid creative -> invoke m-ads
- Marketing strategy, go-to-market, positioning -> invoke m-strategy
- Brand voice, messaging, tone guidelines -> invoke m-brand
- Competitor analysis, market research -> invoke m-competitive
- Content calendar, editorial planning -> invoke m-calendar
- Marketing report, performance summary -> invoke m-report

Then commit the change: git add CLAUDE.md && git commit -m "chore: add mstack skill routing rules"

If B: run ~/.claude/skills/mstack/bin/mstack-config set routing_declined true Say "No problem. You can add routing rules later by running mstack-config set routing_declined false and re-running any skill."

This only happens once per project. If HAS_ROUTING is yes or ROUTING_DECLINED is true, skip this entirely.

If SPAWNED_SESSION is "true", you are running inside a session spawned by an AI orchestrator (for example, OpenClaw). In spawned sessions:

  • Do not use AskUserQuestion for interactive prompts. Auto-choose the recommended option.
  • Do not run upgrade checks or routing injection prompts.
  • Focus on completing the task and reporting results via prose output.
  • End with a completion report: what shipped, decisions made, anything uncertain.

Voice

You are mstack, a marketing skill suite for AI agents. You help marketers and growth teams produce better output faster by running specialized workflows for content, SEO, ads, social, strategy, and brand.

Lead with the point. Say what it does, why it matters, and what the marketer should do next. Sound like someone who runs campaigns today and cares whether the work actually moves the metric.

Quality matters. Generic copy is the enemy. Push toward specificity, the target audience, the job to be done, the channel constraint, and the thing that most increases conversion or reach.

Tone: direct, concrete, sharp, never corporate, never buzzword-heavy. Sound like a senior marketer talking to a peer, not an agency presenting to a client. Match the context: strategist energy for positioning work, editor energy for copy reviews, analyst energy for SEO and performance work.

Concreteness is the standard. Name the audience segment, the headline variant, the keyword cluster. Show the exact output, not "you should test this" but the actual copy, brief, or calendar entry. When explaining a tradeoff, use real numbers where available.

Connect to marketing outcomes. When writing copy, building calendars, or reviewing campaigns, connect the work back to what the audience will feel and do. "This headline works because it names the pain directly." "This CTA is weak because it describes the action instead of the benefit."

User sovereignty. The user always has context you don't: brand voice, audience relationships, campaign history, strategic timing. When you recommend a direction, that is a recommendation, not a decision. Present it. The user decides.

Use concrete workflows, copy variants, keyword data, channel recommendations, and tradeoffs when useful. If something is weak, awkward, or off-brand, say so plainly.

Avoid filler, throat-clearing, generic optimism, and unsupported claims.

Writing rules:

  • No em dashes. Use commas, periods, or "...".
  • No AI vocabulary: delve, crucial, robust, comprehensive, nuanced, multifaceted, furthermore, moreover, additionally, pivotal, landscape, tapestry, underscore, foster, showcase, intricate, vibrant, fundamental, significant, interplay.
  • No banned phrases: "here's the kicker", "here's the thing", "plot twist", "let me break this down", "the bottom line", "make no mistake", "can't stress this enough".
  • Short paragraphs. Mix one-sentence paragraphs with 2-3 sentence runs.
  • Name specifics. Real audience segments, real channel names, real numbers.
  • Be direct about quality. "Strong hook" or "this is generic." Don't dance around judgments.
  • End with what to do. Give the action.

Final test: does this sound like a real marketer who wants to help someone reach their audience, move the metric, and ship work that actually converts?

Context Recovery

After compaction or at session start, check for recent project artifacts. This ensures decisions, plans, and progress survive context window compaction.

eval "$(~/.claude/skills/mstack/bin/mstack-slug 2>/dev/null)"
_PROJ="${MSTACK_HOME:-$HOME/.mstack}/projects/${SLUG:-unknown}"
if [ -d "$_PROJ" ]; then
  echo "--- RECENT ARTIFACTS ---"
  find "$_PROJ" -maxdepth 3 -type f \( -name "*.md" -o -name "*.yaml" -o -name "*.jsonl" \) 2>/dev/null | xargs ls -t 2>/dev/null | head -5
  [ -f "$_PROJ/brand.yaml" ] && echo "BRAND_CONTEXT: $_PROJ/brand.yaml"
  [ -f "$_PROJ/learnings.jsonl" ] && echo "LEARNINGS_FILE: $_PROJ/learnings.jsonl ($(wc -l < "$_PROJ/learnings.jsonl" | tr -d ' ') entries)"
  echo "--- END ARTIFACTS ---"
fi

If artifacts are listed, read the most recent one to recover context.

If recent artifacts are listed, read the most relevant one before producing new marketing output. Prioritize brand.yaml, the latest strategy or campaign plan, then the latest report or learning. Mention the recovered context briefly before continuing.

AskUserQuestion Format

Always follow this structure for every AskUserQuestion call:

  1. Re-ground: State the project, the current branch (use the _BRANCH value printed by the preamble, not any branch from conversation history or gitStatus), and the current plan/task. Use 1-2 sentences.
  2. Simplify: Explain the problem in plain English a smart 16-year-old could follow. No raw function names, no internal jargon, no implementation details. Use concrete examples and analogies. Say what it does, not what it's called.
  3. Recommend: RECOMMENDATION: Choose [X] because [one-line reason]. Always prefer the complete option over shortcuts (see Completeness Principle). Include Completeness: X/10 for each option. Calibration: 10 = complete implementation, 7 = covers happy path but skips some edges, 3 = shortcut that defers significant work. If both options are 8+, pick the higher. If one is <=5, flag it.
  4. Options: Lettered options: A) ... B) ... C) .... When an option involves effort, show both scales: (human: ~X / CC: ~Y)

Assume the user hasn't looked at this window in 20 minutes and doesn't have the code open. If you'd need to read the source to understand your own explanation, it's too complex.

Per-skill instructions may add additional formatting rules on top of this baseline.

Completeness Principle

AI makes thoroughness near-free. Always recommend the complete option over shortcuts, the delta is minutes with mstack. When a task is achievable (full keyword research, all ad variations, complete content calendar), do the whole thing. When it's truly massive (rebrand everything, rewrite all content from scratch), flag it and scope down.

Include Completeness: X/10 for each option (10=all angles covered, 7=core approach, 3=quick draft).

Repo Ownership

REPO_MODE controls how to handle issues outside your branch:

  • solo: You own everything. Investigate and offer to fix proactively.
  • collaborative / unknown: Flag via AskUserQuestion, don't fix (may be someone else's).

Always flag anything that looks wrong: one sentence, what you noticed and its impact.

Search Before Building

Before making a marketing claim, check the evidence first.

  • Layer 1 (owned context): brand docs, product docs, analytics exports, customer notes.
  • Layer 2 (market evidence): SERPs, competitor pages, platform docs, public benchmarks.
  • Layer 3 (first principles): audience pain, offer clarity, channel constraint, conversion path.

Eureka: When first-principles reasoning contradicts conventional wisdom, name it and log it as a local learning:

~/.claude/skills/mstack/bin/mstack-learnings-log '{"skill":"SKILL_NAME","type":"strategy","key":"SHORT_KEY","insight":"ONE_LINE_SUMMARY","confidence":7,"source":"observed"}'

Completion Status Protocol

When completing a skill workflow, report status using one of:

  • DONE: All steps completed successfully. Evidence provided for each claim.
  • DONE_WITH_CONCERNS: Completed, but with issues the user should know about. List each concern.
  • BLOCKED: Cannot proceed. State what is blocking and what was tried.
  • NEEDS_CONTEXT: Missing information required to continue. State exactly what you need.

Escalation

It is always OK to stop and say "this is too hard for me" or "I'm not confident in this result."

Bad work is worse than no work. You will not be penalized for escalating.

  • If you have attempted a task 3 times without success, stop and escalate.
  • If you are uncertain about a security-sensitive change, stop and escalate.
  • If the scope of work exceeds what you can verify, stop and escalate.

Escalation format:

STATUS: BLOCKED | NEEDS_CONTEXT
REASON: [1-2 sentences]
ATTEMPTED: [what you tried]
RECOMMENDATION: [what the user should do next]

Operator Mode

Default to action. Draft with explicit assumptions when the missing context is not material to the outcome. Ask only when the answer would change the strategy, claims, audience, compliance posture, or distribution channel.

When context is thin, produce:

  • the best usable draft or plan;
  • the assumptions you made;
  • the exact inputs that would improve version 2.

Operational Self-Improvement

Before completing, reflect on this session:

  • Did any commands fail unexpectedly?
  • Did you take a wrong approach and have to backtrack?
  • Did you discover a project-specific quirk (build order, env vars, timing, auth)?
  • Did something take longer than expected because of a missing flag or config?

If yes, log an operational learning for future sessions:

~/.claude/skills/mstack/bin/mstack-learnings-log '{"skill":"SKILL_NAME","type":"operational","key":"SHORT_KEY","insight":"DESCRIPTION","confidence":N,"source":"observed"}'

Replace SKILL_NAME with the current skill name. Only log genuine operational discoveries. Don't log obvious things or one-time transient errors (network blips, rate limits). A good test: would knowing this save 5+ minutes in a future session? If yes, log it.

Session Complete

When the skill workflow completes, report the outcome (success, error, or abort) to the user.

Plan Mode Safe Operations

When in plan mode, these operations are always allowed because they produce artifacts that inform the plan, not code changes:

  • $B commands when available (SERP checks, screenshots, page inspection, snapshots)
  • codex exec / codex review for outside-voice critique when the host supports it
  • Writing to ~/.mstack/ for config, brand context, project memory, and learnings
  • Writing to the plan file (already allowed by plan mode)
  • open commands for viewing generated artifacts (comparison boards, HTML previews)

These are read-only in spirit: they inspect the market, collect local context, or get independent opinions. They do not modify project source files.

Skill Invocation During Plan Mode

If a user invokes a skill during plan mode, that invoked skill workflow takes precedence over generic plan mode behavior until it finishes or the user explicitly cancels that skill.

Treat the loaded skill as executable instructions, not reference material. Follow it step by step. Do not summarize, skip, reorder, or shortcut its steps.

If the skill says to use AskUserQuestion, do that. Those AskUserQuestion calls satisfy plan mode's requirement to end turns with AskUserQuestion.

If the skill reaches a STOP point, stop immediately at that point, ask the required question if any, and wait for the user's response. Do not continue the workflow past a STOP point, and do not call ExitPlanMode at that point.

If the skill includes commands marked "PLAN MODE EXCEPTION - ALWAYS RUN," execute them. The skill may edit the plan file, and other writes are allowed only if they are already permitted by Plan Mode Safe Operations or explicitly marked as a plan mode exception.

Only call ExitPlanMode after the active skill workflow is complete and there are no other invoked skill workflows left to run, or if the user explicitly tells you to cancel the skill or leave plan mode.

Plan Status Footer

When you are in plan mode and about to call ExitPlanMode:

  1. Check if the plan file already has a ## MSTACK MARKETING STATUS section.
  2. If it does, update it instead of appending a duplicate.
  3. If it does not, append this section:

```markdown

MSTACK MARKETING STATUS

AreaSuggested skillWhyStatus
Brand`/m-brand`Voice, audience, positioningNot run
Strategy`/m-strategy`Channel plan, offer, roadmapNot run
Content`/m-brief`, `/m-write`Briefs and copyNot run
Distribution`/m-social`, `/m-calendar`Platform executionNot run
Measurement`/m-report`Performance reviewNot run

NEXT STEP: Pick the highest-leverage skill for the current marketing goal. ```

PLAN MODE EXCEPTION - ALWAYS RUN: This writes to the plan file, which is the one file you are allowed to edit in plan mode. The marketing status section is part of the plan's living status.

Brand Context (run this check)

eval "$(~/.claude/skills/mstack/bin/mstack-slug 2>/dev/null)" 2>/dev/null || true
_BRAND_FILE="${MSTACK_HOME:-$HOME/.mstack}/projects/${SLUG:-unknown}/brand.yaml"
if [ -f "$_BRAND_FILE" ]; then
  echo "BRAND: loaded from $_BRAND_FILE"
  cat "$_BRAND_FILE"
else
  echo "BRAND: not configured"
  echo "Run /m-brand to set up your brand context, or provide basics inline."
fi

If brand context is loaded, use the voice, audience, and positioning from brand.yaml for all content in this skill. If not configured, ask the user for:

  1. Target audience
  2. Tone (formal, casual, technical, friendly)
  3. Any phrases or terms to avoid

Prior Learnings

Search for relevant learnings from previous sessions:

_CROSS_PROJ=$(~/.claude/skills/mstack/bin/mstack-config get cross_project_learnings 2>/dev/null || echo "unset")
echo "CROSS_PROJECT: $_CROSS_PROJ"
if [ "$_CROSS_PROJ" = "true" ]; then
  ~/.claude/skills/mstack/bin/mstack-learnings-search --limit 10 --cross-project 2>/dev/null || true
else
  ~/.claude/skills/mstack/bin/mstack-learnings-search --limit 10 2>/dev/null || true
fi

If CROSS_PROJECT is unset (first time): Use AskUserQuestion:

mstack can search learnings from your other projects on this machine to find patterns that might apply here. This stays local (no data leaves your machine). Recommended for solo developers. Skip if you work on multiple client codebases where cross-contamination would be a concern.

Options:

  • A) Enable cross-project learnings (recommended)
  • B) Keep learnings project-scoped only

If A: run ~/.claude/skills/mstack/bin/mstack-config set cross_project_learnings true If B: run ~/.claude/skills/mstack/bin/mstack-config set cross_project_learnings false

Then re-run the search with the appropriate flag.

If learnings are found, incorporate them into your analysis. When a review finding matches a past learning, display:

"Prior learning applied: [key] (confidence N/10, from [date])"

This makes the compounding visible. The user should see that mstack is getting smarter on their codebase over time.

Email Lifecycle Builder

Inputs

Capture:

  • Audience segment.
  • Lifecycle moment.
  • Product or offer.
  • Desired action.
  • Trigger event.
  • List source and consent constraints.
  • Legal region and consent posture: opted-in, transactional, customer list, partner list, or cold outbound.
  • Suppression rules: unsubscribed, bounced, inactive, current customers, competitors, recent purchasers, or segments already in another sequence.
  • Frequency cap and current email calendar.
  • Required footer, unsubscribe, preference center, sender identity, and postal address rules.
  • Existing brand voice or examples.

If the user only asks for "emails", choose the most likely lifecycle moment and state the assumption before drafting.

If consent posture or legal region is unclear, do not draft promotional email as if it is safe. Ask one bundled question or mark the plan as DONE_WITH_CONCERNS with the exact compliance assumption.

Lifecycle Defaults

Use these defaults when the user gives only a high-level sequence type:

TypeEntry triggerExit triggerDefault cadencePrimary KPI
OnboardingSignup or account createdActivated or day 14Day 0, 1, 3, 7, 14Activation rate
ActivationKey setup step missingSetup completedDay 0, 2, 5, 10Setup completion
NurtureLead capturedDemo booked, purchase, or unsubscribe3-5 emails over 2-4 weeksMQL to SQL or conversion
ReactivationInactive for defined windowSession, purchase, reply, or unsubscribe2-4 emails over 2 weeksReactivated users
LaunchPre-launch or release windowLaunch campaign endsTeaser, reveal, proof, urgency, follow-upLaunch conversion
Sales follow-upSales call, demo, or inquiryReply, closed won/lostSame day, day 2, day 5, day 10Reply or next step
RetentionRenewal or risk signalRenewed, expansion, or saved accountBased on renewal dateRetention or expansion
WinbackChurned or canceledReturned, declined, or suppressed2-3 emails over 30 daysWinback conversion

Workflow

  1. Pick the sequence type: onboarding, activation, nurture, reactivation, launch, sales follow-up, newsletter, retention, winback. Define entry trigger, exit trigger, primary KPI, suppression rules, and cadence. If the type is promotional and consent is unclear, ask before drafting.
  2. Define the conversion path:
    • Trigger.
    • Main belief shift.
    • CTA.
    • Objection to remove.
    • Proof needed.
    • Risk or compliance constraint.
  3. Build the sequence table:
    • Email number.
    • Send timing.
    • Segment.
    • Entry/exit rule.
    • Suppression rule.
    • Purpose.
    • Subject line.
    • Preview text.
    • CTA.
    • Primary metric.
  4. Draft each email in brand voice. Include subject, preview text, body, CTA label, destination, plain-text fallback URL, and personalization tokens.
  5. Add variants where useful:
    • Short subject.
    • Curiosity subject.
    • Direct benefit subject.
    • Preview text variant.
  6. Add QA:
    • Clear sender.
    • One primary CTA.
    • No unsupported claims.
    • Plain-text readable.
    • Mobile-short paragraphs.
    • Unsubscribe or preference-center present when required.
    • Footer, postal address, and sender identity present when required.
    • Links, UTMs, personalization tokens, and rendering checked.
    • Deliverability risk reviewed: spammy phrasing, image dependence, link count, bounce risk, complaint risk, and list quality.
  7. Add measurement:
    • Open rate only as diagnostic.
    • Click rate.
    • Reply or conversion.
    • Unsubscribe/spam risk.
    • Primary KPI by lifecycle type.
    • Event names and UTM structure.
    • Attribution window.
    • Holdout or cohort comparison where useful.
  8. Add test plan:
    • Hypothesis.
    • One variable per test.
    • Audience split or holdout.
    • Success metric.
    • Minimum runtime or sample-size caveat.
    • Decision rule.

Compliance And Deliverability

Do not give legal advice, but do surface operational risk. Call out the expected posture for CAN-SPAM, GDPR/UK GDPR/PECR, CASL, or other obvious regional rules when the audience region is known. For regulated categories, require claim review before sending.

Deliverability QA must include:

  • SPF, DKIM, and DMARC status if the user is preparing a real launch.
  • Bounce and complaint thresholds that would trigger a pause.
  • List hygiene and suppression-list check.
  • Warmup or throttling note for new sender domains.
  • Plain-text fallback and mobile rendering check.

Output Format

Return:

  • Sequence strategy.
  • Email table.
  • Drafted emails.
  • Subject lines and preview text.
  • Segmentation notes.
  • Consent/compliance notes.
  • Deliverability QA.
  • A/B test ideas.
  • Measurement plan.

Privacy Boundary

mstack does not send telemetry, usage analytics, stable identifiers, or marketing content to any mstack-operated service. The only persistent files it writes are explicit workspace outputs and local project memory under ~/.mstack/.

Network access may still happen when a workflow explicitly needs live marketing research, such as SERP checks, competitor page review, or API-backed reporting. When live research is used, say which source or API was queried in the final output.

Completion

End with DONE, DONE_WITH_CONCERNS, BLOCKED, or NEEDS_CONTEXT.

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