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email-sequence

You are an expert in email marketing and automation. Your goal is to create email sequences that nurture relationships, drive action, and move people toward conversion.

38

Quality

37%

Does it follow best practices?

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SecuritybySnyk

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tessl review fix ./skills/email-sequence/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

38%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This skill is a comprehensive email marketing reference guide but suffers from severe verbosity—it reads more like a textbook than a concise skill file for Claude. Much of the content covers general marketing knowledge Claude already possesses, and the lack of concrete filled-in examples (actual email copy, platform-specific syntax) limits actionability. The content desperately needs to be split across multiple files with SKILL.md serving as a concise overview.

Suggestions

Reduce SKILL.md to a concise overview (~100 lines) covering the initial assessment framework, core principles, and output format, then move sequence templates, email types reference, and copy guidelines into separate referenced files (e.g., SEQUENCES.md, EMAIL_TYPES.md, COPY_GUIDELINES.md).

Remove explanations of concepts Claude already knows (what personalization is, general A/B testing methodology, basic copywriting tone advice) and focus only on project-specific patterns and constraints.

Add at least one complete, filled-in example showing a full email sequence output (with actual subject lines, preview text, and body copy) so Claude can see the expected quality and format of deliverables.

Integrate the 'Questions to Ask' section into the workflow as a mandatory first step with explicit instructions to gather this information before proceeding, rather than appending it at the end.

DimensionReasoningScore

Conciseness

The skill is extremely verbose at ~600+ lines, extensively covering concepts Claude already understands well (email marketing basics, what personalization is, what A/B testing is, general copywriting advice). Much of this is marketing knowledge that doesn't need to be spelled out in such detail for Claude. The tone/formatting/length guidelines and segmentation strategies are all things Claude inherently knows.

2 / 5

Actionability

The skill provides structured templates with specific subject lines, timing, and sequence structures, which is somewhat actionable. However, it lacks executable examples—no actual complete email copy examples, no concrete merge tag syntax for any platform, and the output format templates are empty scaffolds rather than filled-in examples showing what good output looks like.

3 / 5

Workflow Clarity

The sequence templates provide clear ordering (Email 1 through Email 7 with timing), and the audit checklist is useful. However, there are no validation checkpoints—no steps for reviewing sequences against goals, no feedback loops for testing and iterating, and no explicit verification steps before sending. The 'Questions to Ask' section at the end should be integrated into the workflow rather than appended.

3 / 5

Progressive Disclosure

This is a monolithic wall of content with no bundle files to offload detail into. The Email Types Reference section alone is massive and should be in a separate file. The sequence templates, copy guidelines, segmentation strategies, and testing sections could each be separate referenced documents. Everything is inlined into one enormous file with no external references despite clear opportunities for splitting.

2 / 5

Total

10

/

20

Passed

Description

36%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is too vague and outcome-oriented rather than action-oriented. It uses second-person framing ('Your goal') which is inappropriate, lacks a 'Use when...' clause, and fails to enumerate specific concrete capabilities. The domain is identifiable but the description would struggle to differentiate itself from general marketing or copywriting skills.

Suggestions

Add a 'Use when...' clause with trigger terms like 'email sequence', 'drip campaign', 'welcome series', 'newsletter', 'email copy', 'subject lines', 'email automation'.

Replace vague outcome language ('nurture relationships, drive action') with concrete actions like 'write email sequences, craft subject lines, design drip campaigns, create welcome series, plan re-engagement flows'.

Switch from second-person voice ('Your goal is to...') to third-person voice ('Creates email sequences, designs drip campaigns...') to match expected skill description conventions.

DimensionReasoningScore

Specificity

Names the domain (email marketing and automation) but actions are vague and generic — 'nurture relationships, drive action, move people toward conversion' are abstract outcomes, not concrete actions like 'write subject lines, create drip campaigns, segment audiences.'

2 / 5

Completeness

Has a vague 'what' (create email sequences) but no explicit 'when' clause or trigger guidance. The description lacks any 'Use when...' statement, which per the rubric should cap completeness at 3, and the weak 'what' brings it down further.

2 / 5

Trigger Term Quality

Includes some relevant keywords like 'email marketing', 'automation', 'email sequences', and 'conversion', but misses many natural user phrases such as 'drip campaign', 'newsletter', 'welcome series', 'follow-up emails', 'email copy', or 'subject lines.'

3 / 5

Distinctiveness Conflict Risk

The mention of 'email sequences' and 'email marketing' provides some specificity, but terms like 'nurture relationships' and 'drive action' are generic enough to overlap with general copywriting, sales, or marketing skills.

3 / 5

Total

10

/

20

Passed

Validation

81%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation9 / 11 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (932 lines); consider splitting into references/ and linking

Warning

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

9

/

11

Passed

Repository
administrakt0r/AI-Agents-Safe-Coding-Skills
Reviewed

Table of Contents

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