{"slug":"nexu-io-email-marketing","name":"email-marketing","description":"A brand product-launch email — masthead with wordmark, hero image block,\nheadline lockup with skewed-italic accent, body copy, primary CTA, and a\nspecifications grid. Pure HTML email layout (centered single column, table\nfallback). Use when the brief asks for an \"email\", \"newsletter blast\",\n\"MJML\", \"product launch email\", or \"email template\".","tagline":"A brand product-launch email — masthead with wordmark, hero image block,\nheadline lockup with skewed-italic accent, body copy, primary CTA, and a\nspecifications grid. Pure HTML email layout (centered single column, table\nfallback). Use when the brief asks for an \"email\", \"newslet","category":"research","tags":["agent-skill"],"author":{"name":"nexu-io","verified":false,"url":"https://github.com/nexu-io"},"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"recursive skill source sync","sourceDetail":"nexu-io/open-design","creatorName":"nexu-io","creatorUrl":"https://github.com/nexu-io","sourceUrl":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/nexu-io-email-marketing#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. Creators can claim the listing to update ownership signals."},"stats":{"stars":90607,"forks":10442,"verified_installs":0,"install_attempts":0,"successful_runs":0,"total_outcomes":0,"downloads":0,"rating":0,"review_count":0,"quality_score":58.1},"quality":{"score":95,"tier":"excellent","label":"Excellent","summary":"High-confidence pick with strong adoption and healthy maintenance signals.","signals":[{"label":"GitHub stars","value":"91K","tone":"positive"},{"label":"Freshness","value":"Today","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"Apache-2.0","tone":"neutral"}],"warnings":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it."]},"trust":{"version":"trust-score-v4","score":76,"tier":"strong","label":"Strong shortlist","summary":"Good trust signals with a few areas worth checking before rollout.","recommendedAction":"Test in a sandbox workflow and compare its install path with close alternatives.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":100,"weight":0.13,"status":"pass","detail":"91K GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":100,"weight":0.08,"status":"pass","detail":"91K stars, 10K forks; issue activity unavailable in current metadata"},{"id":"maintenance","label":"Recent maintenance","score":100,"weight":0.14,"status":"pass","detail":"Pushed today"},{"id":"license","label":"License clarity","score":86,"weight":0.09,"status":"pass","detail":"Apache-2.0"},{"id":"documentation","label":"README/SKILL.md completeness","score":86,"weight":0.14,"status":"pass","detail":"Metadata includes enough usage and workflow context"},{"id":"dependency_risk","label":"Dependency/runtime risk","score":64,"weight":0.12,"status":"info","detail":"credential or environment access, network or browser surface"},{"id":"installability","label":"Install availability","score":92,"weight":0.1,"status":"pass","detail":"npx skills add nexu-io/open-design --skill email-marketing"},{"id":"install_safety","label":"Install command safety","score":92,"weight":0.1,"status":"pass","detail":"standard package or runtime install path"},{"id":"permission_surface","label":"Permission surface","score":46,"weight":0.07,"status":"warn","detail":"secrets or environment access, filesystem or document access"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.04,"status":"pass","detail":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing"},{"id":"review_status","label":"Review status","score":66,"weight":0.05,"status":"info","detail":"AI review data available"},{"id":"agent_outcomes","label":"Agent Proven outcomes","score":54,"weight":0.13,"status":"info","detail":"No agent outcome data yet"}],"checks":[{"status":"pass","label":"GitHub adoption","detail":"91K GitHub stars"},{"status":"pass","label":"Stars/forks activity","detail":"91K stars, 10K forks; issue activity unavailable in current metadata"},{"status":"pass","label":"Recent maintenance","detail":"Pushed today"},{"status":"pass","label":"License clarity","detail":"Apache-2.0"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"info","label":"Dependency/runtime risk","detail":"credential or environment access, network or browser surface"},{"status":"pass","label":"Install availability","detail":"npx skills add nexu-io/open-design --skill email-marketing"},{"status":"pass","label":"Install command safety","detail":"standard package or runtime install path"},{"status":"warn","label":"Permission surface","detail":"secrets or environment access, filesystem or document access"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing"},{"status":"info","label":"Review status","detail":"AI review data available"},{"status":"info","label":"Agent Proven outcomes","detail":"No agent outcome data yet"},{"status":"warn","label":"Ownership","detail":"No approved owner claim yet"},{"status":"info","label":"OpenAgentSkill usage","detail":"No local usage activity yet"},{"status":"info","label":"Agent outcomes","detail":"No agent outcome data yet"}],"strengths":["AI review approved","Install path is available","Repository evidence is available","Recently maintained repository","Large GitHub adoption signal","Install command has no obvious high-risk pattern"],"warnings":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"],"evidence":{"stars":"91K GitHub stars","repoActivity":"91K stars, 10K forks","lastPushed":"Pushed today","license":"Apache-2.0","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","install":"npx skills add nexu-io/open-design --skill email-marketing","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"installReadiness":{"ready":true,"command":"npx skills add nexu-io/open-design --skill email-marketing","policy":"human_review_before_install","label":"Human review before install","notes":["Install path is available","Repository evidence is available","License is declared","No Agent Proven outcome evidence yet","Pushed today"]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Human review or sandbox validation is required before automatic installation."},"bestFor":["research","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"knownRisks":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"safety":{"score":54,"level":"avoid_auto_install","label":"Avoid automatic install","safety_tier":{"tier":"experimental","label":"Experimental","badge":"EXPERIMENTAL","summary":"Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","auto_install_policy":"review","reasons":["High-risk permission hints: Secrets or environment access","54/100 agent safety score"]},"auto_install_allowed":false,"human_review_required":true,"blocked":false,"audit_risk":"needs_review","permission_hints":[{"id":"browser","label":"Browser automation","reason":"Skill may drive a browser or interact with web pages.","severity":"medium"},{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"},{"id":"filesystem","label":"Filesystem access","reason":"Skill may read or write project files, documents, generated artifacts, or local workspace state.","severity":"medium"},{"id":"secrets","label":"Secrets or environment access","reason":"Skill metadata references credentials, tokens, environment variables, or secret-bearing workflows.","severity":"high"}],"policy_warnings":["High-risk permission hints: Secrets or environment access","Permission surface may require sandboxing"],"constraints_applied":{"max_risk":"medium","needs_install_command":true,"min_stars":0}},"safety_gate":{"tier":"experimental","label":"Experimental","badge":"EXPERIMENTAL","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","reasons":["High-risk permission hints: Secrets or environment access","54/100 agent safety score"]},"supply_profile":{"track":{"slug":"research","label":"Research and knowledge work","shortLabel":"Research","description":"Deep research, source comparison, literature review, RAG, knowledge search, and reports."},"scenario":{"label":"Research agents","description":"I need my agent to research a topic, compare sources, and produce a concise report.","useCases":[{"slug":"research-agents","title":"Research agents"},{"slug":"rag-knowledge","title":"RAG and knowledge"},{"slug":"browser-automation","title":"Browser automation"}]},"applicableAgents":["Claude Code","Browser agents","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add nexu-io/open-design --skill email-marketing","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":90607,"starsLabel":"91K","forks":10442,"license":"Apache-2.0","qualityScore":95,"trustScore":76,"auditScore":86},"maintenance":{"status":"fresh","label":"Pushed today","daysSincePush":0,"lastPushedAt":"2026-08-23T13:19:59+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Permission surface may require sandboxing","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"coverageTags":["Research","Research agents","agent-skill"]},"audit":{"audit_score":86,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"decision":{"readiness_score":100,"readiness_label":"Production-ready","headline":"Primary pick for Research agents","role":"Primary pick","primary_fit":"Research agents","best_for":["Research agents workflows","Claude Code teams","teams that value GitHub adoption signals"],"risks":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","No OpenAgentSkill engagement data yet"],"next_steps":["Install it in a sandbox agent and run one Research agents task end to end.","Compare output quality, latency, and failure behavior against at least one alternative.","Promote it into production only after reviewing repository permissions, license, and maintenance signals."]},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"nexu-io-email-marketing","name":"email-marketing","description":"A brand product-launch email — masthead with wordmark, hero image block,\nheadline lockup with skewed-italic accent, body copy, primary CTA, and a\nspecifications grid. Pure HTML email layout (centered single column, table\nfallback). Use when the brief asks for an \"email\", \"newsletter blast\",\n\"MJML\", \"product launch email\", or \"email template\".","category":"research","url":"https://www.openagentskill.com/skills/nexu-io-email-marketing","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","github_repo":"nexu-io/open-design"},"suited_tasks":["Research agents workflows","Claude Code teams","teams that value GitHub adoption signals","Search sources","Extract claims","Synthesize findings","Chunk documents","Create embeddings"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","Browser agents","CLI"],"install":{"command":"npx skills add nexu-io/open-design --skill email-marketing","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install nexu-io-email-marketing"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"email-marketing\" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"email-marketing\" as a Claude Code skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"email-marketing\" from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/nexu-io-email-marketing/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/nexu-io-email-marketing"},"trust":{"score":76,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"91K GitHub stars","repoActivity":"91K stars, 10K forks","lastPushed":"Pushed today","license":"Apache-2.0","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","install":"npx skills add nexu-io/open-design --skill email-marketing","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["research","agent-skill"],"known_risks":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":86,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":95,"label":"Excellent"},"supply":{"track":"Research and knowledge work","scenario":"Research agents","maintenance":"Pushed today","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","No OpenAgentSkill engagement data yet","High-risk permission hints: Secrets or environment access","Permission surface may require sandboxing","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access"],"agent_contract":{"task_input":"Use email-marketing in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 76/100 Strong shortlist","Audit: 86/100 Needs review","Safety: 54/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"nexu-io-email-marketing (email-marketing)","install_command":"npx skills add nexu-io/open-design --skill email-marketing","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"nexu-io-email-marketing","task":"Use email-marketing in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/nexu-io-email-marketing","api":"https://www.openagentskill.com/api/agent/skills/nexu-io-email-marketing","audit":"https://www.openagentskill.com/skills/nexu-io-email-marketing/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=nexu-io-email-marketing&task=Use%20email-marketing%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20email-marketing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20email-marketing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/nexu-io-email-marketing/install","manifest":"https://www.openagentskill.com/api/registry/manifest/nexu-io-email-marketing"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"nexu-io-email-marketing","name":"email-marketing","description":"A brand product-launch email — masthead with wordmark, hero image block,\nheadline lockup with skewed-italic accent, body copy, primary CTA, and a\nspecifications grid. Pure HTML email layout (centered single column, table\nfallback). Use when the brief asks for an \"email\", \"newsletter blast\",\n\"MJML\", \"product launch email\", or \"email template\".","category":"research","url":"https://www.openagentskill.com/skills/nexu-io-email-marketing","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","github_repo":"nexu-io/open-design"},"suited_tasks":["Research agents workflows","Claude Code teams","teams that value GitHub adoption signals","Search sources","Extract claims","Synthesize findings","Chunk documents","Create embeddings"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","Browser agents","CLI"],"install":{"command":"npx skills add nexu-io/open-design --skill email-marketing","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install nexu-io-email-marketing"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"email-marketing\" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"email-marketing\" as a Claude Code skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"email-marketing\" from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/nexu-io-email-marketing/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/nexu-io-email-marketing"},"trust":{"score":76,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"91K GitHub stars","repoActivity":"91K stars, 10K forks","lastPushed":"Pushed today","license":"Apache-2.0","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","install":"npx skills add nexu-io/open-design --skill email-marketing","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["research","agent-skill"],"known_risks":["The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":86,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access","Permission surface: secrets or environment access, filesystem or document access"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":95,"label":"Excellent"},"supply":{"track":"Research and knowledge work","scenario":"Research agents","maintenance":"Pushed today","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","The SKILL.md mentions 'table fallback' in the description but the workflow does not describe how to implement table-based layout for email clients that require it.","No OpenAgentSkill engagement data yet","High-risk permission hints: Secrets or environment access","Permission surface may require sandboxing","The excerpt is truncated; the full SKILL.md may contain additional details, but based on the provided content, the workflow is clear.","Permission surface needs review: secrets or environment access, filesystem or document access"],"agent_contract":{"task_input":"Use email-marketing in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 76/100 Strong shortlist","Audit: 86/100 Needs review","Safety: 54/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"nexu-io-email-marketing (email-marketing)","install_command":"npx skills add nexu-io/open-design --skill email-marketing","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"nexu-io-email-marketing","task":"Use email-marketing in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/nexu-io-email-marketing","api":"https://www.openagentskill.com/api/agent/skills/nexu-io-email-marketing","audit":"https://www.openagentskill.com/skills/nexu-io-email-marketing/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=nexu-io-email-marketing&task=Use%20email-marketing%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20email-marketing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20email-marketing%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/nexu-io-email-marketing/install","manifest":"https://www.openagentskill.com/api/registry/manifest/nexu-io-email-marketing"}},"platforms":["Claude Code","Browser agents"],"use_cases":[{"slug":"research-agents","title":"Research agents","url":"https://www.openagentskill.com/use-cases/research-agents"},{"slug":"rag-knowledge","title":"RAG and knowledge","url":"https://www.openagentskill.com/use-cases/rag-knowledge"},{"slug":"browser-automation","title":"Browser automation","url":"https://www.openagentskill.com/use-cases/browser-automation"},{"slug":"web-scraping","title":"Web scraping","url":"https://www.openagentskill.com/use-cases/web-scraping"}],"install":"npx skills add nexu-io/open-design --skill email-marketing","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install nexu-io-email-marketing","description":"Resolve policy, run the source installer safely, and report a verified install receipt.","copyLabel":"Copy command"},{"id":"codex","label":"Codex","title":"Codex install prompt","kind":"agent-prompt","value":"Install the \"email-marketing\" agent skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Give Codex a repo-aware install prompt when the skill is not available through a local CLI.","copyLabel":"Copy prompt"},{"id":"claude-code","label":"Claude Code","title":"Claude Code skill prompt","kind":"agent-prompt","value":"Add \"email-marketing\" as a Claude Code skill from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this prompt to ask Claude Code to add the skill and explain the local activation steps.","copyLabel":"Copy prompt"},{"id":"cursor","label":"Cursor","title":"Cursor rule prompt","kind":"agent-prompt","value":"Turn \"email-marketing\" from https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: A brand product-launch email — masthead with wordmark, hero image block, headline lockup with skewed-italic accent, body copy, primary CTA, and a specifications grid. Pure HTML email layout (centered single column, table fallback). Use when the brief asks for an \"email\", \"newsletter blast\", \"MJML\", \"product launch email\", or \"email template\". After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"nexu-io-email-marketing\",\"task\":\"Install email-marketing\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this when installing as Cursor project rules or reusable agent instructions.","copyLabel":"Copy prompt"}],"repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing","github_repo":"nexu-io/open-design","version":"1.0.0","license":"Apache-2.0","updated_at":"2026-08-23T13:21:11.305223+00:00","canonical_key":"nexu-io/open-design#design-templates/email-marketing","recommendation_reasons":["Strong GitHub adoption: 90,607 stars","Install handoff is available","Repository freshness signal is available"],"urls":{"web":"https://www.openagentskill.com/skills/nexu-io-email-marketing","api":"https://www.openagentskill.com/api/agent/skills/nexu-io-email-marketing","install_api":"https://www.openagentskill.com/api/skills/nexu-io-email-marketing/install","audit":"https://www.openagentskill.com/skills/nexu-io-email-marketing/audit","repository":"https://github.com/nexu-io/open-design/tree/main/design-templates/email-marketing"},"meta":{"endpoint":"/api/registry/manifest/{slug}","canonical_agent_endpoint":"/api/agent/skills/nexu-io-email-marketing","agent_friendly":true,"api_version":"1.0","generated_at":"2026-08-23T16:53:41.816Z"}}