cold-email

Write B2B cold emails and follow-up sequences that earn replies. Use when creating outbound prospecting emails, SDR outreach, personalized opening lines, subject lines, CTAs, and multi-touch follow-up sequences.

Quality

86%

Does it follow best practices?

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Securityby

Passed

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Quality

Content

78%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 is a well-structured, actionable skill that effectively balances conciseness with completeness. It provides clear principles, audience calibration, anti-patterns, and a quality checklist while appropriately deferring detailed examples and data to reference files. The main weakness is the absence of at least one full example email in the body to demonstrate the principles in action, though this may exist in the referenced frameworks.md.

Suggestions

Add one complete example email (with annotations) in the main body to demonstrate the principles working together, rather than deferring all examples to reference files.

Add an explicit revision loop after the Quality Check section: 'If any answer is no, revise and re-check before presenting.'

Dimension	Reasoning	Score
Conciseness	The content is mostly efficient and avoids explaining basic concepts Claude already knows. There's some minor verbosity in sections like 'When to Use' and 'What it should NOT sound like' that could be tightened, but overall it respects Claude's intelligence and keeps guidance practical.	4 / 5
Actionability	The skill provides concrete frameworks, specific anti-patterns, voice calibration by audience type, and a quality checklist. However, it lacks actual example emails showing the principles in action — the frameworks are described in prose rather than demonstrated with full copy-paste examples (those are deferred to reference files).	4 / 5
Workflow Clarity	The workflow is clear: check for context file → gather inputs → write using principles → quality check. The 'Before Writing' section sequences the discovery process well, and the quality check provides validation. Minor gap: no explicit feedback loop for revision if the quality check fails.	4 / 5
Progressive Disclosure	Excellent structure with a clear overview in the main file and well-signaled one-level-deep references to personalization.md, frameworks.md, subject-lines.md, follow-up-sequences.md, and benchmarks.md. Each reference is contextualized with what it contains, and the Data & Benchmarks section provides a clean navigation index.	5 / 5
	Total	17 / 20 Passed

Description

95%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.

This is a strong skill description that clearly defines its domain (B2B cold email outreach), lists multiple concrete deliverables, and includes an explicit 'Use when' clause with rich, natural trigger terms. It would perform well in a large skill library, as the terminology is highly specific to sales development and unlikely to conflict with adjacent skills.

Dimension	Reasoning	Score
Specificity	Lists several specific actions: writing cold emails, follow-up sequences, personalized opening lines, subject lines, CTAs, and multi-touch sequences. Minor gaps—doesn't mention things like A/B variants, templates, or tone customization—but good coverage overall.	4 / 5
Completeness	Clearly answers both 'what' (write B2B cold emails and follow-up sequences that earn replies) and 'when' (explicit 'Use when' clause listing concrete trigger scenarios like outbound prospecting, SDR outreach, personalized opening lines, etc.).	5 / 5
Trigger Term Quality	Excellent coverage of natural terms a user would say: 'cold emails', 'outbound prospecting', 'SDR outreach', 'opening lines', 'subject lines', 'CTAs', 'follow-up sequences', 'B2B'. These are the exact phrases sales professionals use.	5 / 5
Distinctiveness Conflict Risk	Highly distinct niche—B2B cold email outreach is specific enough to avoid overlap with general copywriting, marketing email, or other writing skills. Terms like 'SDR outreach', 'cold emails', and 'outbound prospecting' clearly carve out a unique domain.	5 / 5
	Total	19 / 20 Passed

Validation

90%

Warnings & errors only

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

Validation — 10 / 11 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	10 / 11 Passed

Repository: administrakt0r/AI-Agents-Safe-Coding-Skills
Path: skills/cold-email/SKILL.md
Commit: 57c135b

Reviewed: 2 days ago

Table of Contents

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