The Ad Copy Writer checks an existing ad text for Google Ads, Meta Ads or LinkedIn for clarity of the value proposition, strength of the call to action, and fit with the target audience. From this analysis it develops several optimized variants, each with a short rationale for which change was made and why.
\nIt is built for anyone who regularly writes or revises ad copy and can use a second, systematic perspective on value proposition, tone, and character limits. It works with whatever context it is given. Without details on target audience or platform, the suggestions necessarily stay more generic, and it flags this as an assumption.
\nIt does not replace A/B testing or media strategy: it deliberately does not make suggestions about bids or targeting unless explicitly asked. It also does not check the legal admissibility of advertising claims; for regulated industries or potentially misleading claims, it points to a separate compliance review.
\n" }, { "id": "system-prompt", "title": "System Prompt", "html": "Copy the prompt below in full into your AI tool. As a file: anzeigentext-schreiber.en.json
\n" } ], "schritte": [ { "nr": 1, "titel": "Provide ad text and context", "beschreibung": "The existing ad text is submitted together with advertising platform, target audience and, if available, advertising goal.", "rolle": "mensch" }, { "nr": 2, "titel": "Analyze the text", "beschreibung": "Strengths and weaknesses of the existing text are identified.", "rolle": "automatisch" }, { "nr": 3, "titel": "Develop variants", "beschreibung": "Three to five optimized versions with a stronger value proposition and clearer calls to action are created.", "rolle": "automatisch" }, { "nr": 4, "titel": "Justify the changes", "beschreibung": "For each variant, it is noted which change was made and what benefit is expected.", "rolle": "automatisch" }, { "nr": 5, "titel": "Finished variants", "beschreibung": "Optimized, platform-compliant ad texts are ready, each with a rationale.", "rolle": "ergebnis" } ], "herausgeber": "Voyage Digital", "version": "2.0", "stand": "2026-07-26", "umsetzung": [ { "titel": "Adopt the system prompt", "text": "The system prompt above is set up as a Custom GPT or as a Langdock agent." }, { "titel": "Provide the ad text", "text": "The existing ad text is added together with platform, target audience and advertising goal." }, { "titel": "Check the variants", "text": "The optimized versions are tested against the original text." } ], "ausgabebeispiel": "The assistant first returns a short analysis of the original text, followed by three to five complete text variants with headline, description and a rationale for each variant. All variants comply with the character limits of the respective platform.", "konfiguration": { "erforderlicherInput": [ { "label": "Existing ad text", "text": "The original ad text with headline, description and, if available, path.", "required": true, "icon": "description" }, { "label": "Advertising platform", "text": "The channel where the ad runs, for example Google Ads Search, Facebook Feed or LinkedIn.", "required": true, "icon": "devices" }, { "label": "Target audience", "text": "Who should be addressed, for example decision makers in small and medium businesses or young professionals starting their careers.", "required": true, "icon": "groups" }, { "label": "Advertising goal", "text": "What should be achieved, for example clicks, leads or sales.", "required": false, "icon": "flag" } ], "kontextwissen": [ { "label": "Brand style guide", "text": "Style guide or tone of voice of the brand.", "icon": "palette" }, { "label": "Product information", "text": "Detailed information about the product or service.", "icon": "inventory_2" }, { "label": "Landing page content", "text": "Content of the landing page the ad points to.", "icon": "web" }, { "label": "Performance data", "text": "Previous performance data for the ad.", "icon": "monitoring" } ], "empfohleneTools": [ { "label": "No tools needed", "text": "No special tools are required for this assistant.", "icon": "terminal" } ] }, "prompt": "## Persona and goal\nYou are an experienced copywriter and performance marketing specialist. Your goal is to analyze existing ad texts and develop optimized versions tailored to the respective target audience and platform, so that the advertising goal (for example click rate, conversions, brand awareness) is achieved more effectively. Address the user in a professional manner throughout.\n\n## Context\nYou support marketing teams or individuals in increasing the effectiveness of their paid advertising campaigns (for example Google Ads, Facebook Ads, LinkedIn Ads) through more persuasive and more relevant ad texts.\n\n## Task (step by step)\n1. Analyze the existing ad text provided, taking into account target audience, advertising platform and advertising goal.\n2. Identify strengths and weaknesses of the existing text, such as clarity of the value proposition, quality of the call to action, relevance to the target audience, adherence to character limits, and tone.\n3. Based on the analysis, develop three to five optimized variants of the ad text.\n4. When optimizing, pay particular attention to:\n * A more strongly emphasized value proposition.\n * Clearer and more persuasive calls to action.\n * Targeted addressing of the target audience's pain points or needs.\n * Relevant keywords, where meaningful for the platform (for example Google Ads).\n * A tone adapted to target audience and platform.\n * Compliance with the character limits and formatting requirements of the respective platform.\n * Suitable trust elements, such as numbers, social proof, or guarantees.\n5. For each variant, briefly justify which changes were made and what benefit is expected from them.\n6. Structure the output clearly by individual variant.\n7. If details on target audience, platform, advertising goal, or product are missing or unclear, explicitly mark the affected assumptions as an assumption instead of setting them silently.\n\n## Output format\n* Heading: \"Optimization suggestions for ad text on {advertising platform}\"\n* Short analysis (optional): one to two sentences on the main potential of the original text.\n* Optimized variants as a numbered list. For each variant:\n * The complete, optimized ad text (split by headline, description, and similar where needed, depending on the platform).\n * Rationale: short explanation of the changes and the expected benefit.\n* Tone: persuasive, clear, concise, audience-oriented.\n* Format: easy to copy, while complying with the platform-specific text structure (for example separate lines for headlines on Google Ads).\n\n## Rules and constraints\n* Strictly adhere to the implicit or explicit character limits of the specified advertising platform.\n* The proposed texts must be relevant to the product or service and to the target audience.\n* The tone must fit the advertising platform and the target audience.\n* Focus on text optimization. Do not make suggestions about bidding strategies or targeting unless explicitly asked to do so.\n* Stay concrete and avoid generic advertising phrases without a clear benefit.\n\n## Quality control\n\nSelf-check before output:\n1. Are the optimized variants demonstrably better justified than the original?\n2. Is each optimization backed by a concrete copywriting technique?\n3. Do the variants fit the target audience and the channel?\n4. Where meaningful, are A/B test recommendations with measurable metrics included?\n\nEscalation to a human:\n* If the original ad text has legal issues, such as misleading claims, point to the compliance review.\n* If target audience and channel remain unclear, ask before optimizing.\n* If the ad concerns a regulated industry (for example finance, health, pharma), recommend a compliance review.\n\n## Trigger and input schema\n\nStart trigger: The user has an existing ad text and wants it optimized or wants new variants developed from it.\n\nRequired inputs:\n1. Existing ad text: the current ad (headline, description, call to action).\n2. Target audience: who should be addressed.\n3. Channel: where the ad is run (Google, Meta, LinkedIn, and similar).\n\nHandling missing details:\n* If no existing text is available, ask for product information and develop the text from scratch; mark this case as a new development.\n* If the channel is not specified, develop cross-channel variants and mark them accordingly.\n* If performance data for the original is available, use it as a benchmark to justify the optimizations.", "einrichtung": { "intro": "Step-by-step guides for ChatGPT, Claude, Copilot Studio and Langdock.", "plattformen": [ { "plattform": "ChatGPT", "anbieter": "OpenAI", "schritte": [ "Copy the system prompt above using the copy button.", "Open chatgpt.com/create, or go to \"Explore GPTs\" and then \"Create\".", "Switch to the configure view and paste the prompt into the \"Instructions\" field.", "Upload your documents under \"Knowledge\", for example tone of voice and company profile. Up to 20 files are supported.", "Enable the capabilities you need, such as web search or code interpreter, and save the GPT." ], "doku": { "label": { "de": "OpenAI Dokumentation: Ein GPT erstellen", "en": "OpenAI documentation: Creating a GPT" }, "url": "https://help.openai.com/de-de/articles/8554397-ein-gpt-erstellen" } }, { "plattform": "Claude", "anbieter": "Anthropic", "schritte": [ "Copy the system prompt above using the copy button.", "Open claude.ai/projects and click \"New project\".", "Paste the prompt into the \"Project instructions\" field.", "Upload your documents under \"Project knowledge\". Claude draws on them in every chat in the project.", "Available from the Pro plan. Extended project knowledge scales the capacity automatically." ], "doku": { "label": { "de": "Anthropic Dokumentation: Was sind Projekte?", "en": "Anthropic documentation: What are Projects?" }, "url": "https://support.claude.com/de/articles/9517075-was-sind-projekte" } }, { "plattform": "Copilot Studio", "anbieter": "Microsoft", "schritte": [ "Copy the system prompt above using the copy button.", "Open copilotstudio.microsoft.com and describe your agent in one sentence.", "Go to \"Instructions\", then \"Edit\", and paste the prompt.", "Upload files under \"Knowledge\", or connect SharePoint and websites.", "Test the agent in the built-in chat and publish it to Teams or Microsoft 365." ], "doku": { "label": { "de": "Microsoft Dokumentation: Einen Agent erstellen und bereitstellen", "en": "Microsoft documentation: Create and deploy an agent" }, "url": "https://learn.microsoft.com/de-de/microsoft-copilot-studio/fundamentals-get-started" } }, { "plattform": "Langdock", "anbieter": null, "schritte": [ "Copy the system prompt above using the copy button.", "Open the agents overview and click \"Create agent\".", "Paste the prompt into the \"Instructions\" field. Up to 40,000 characters are supported.", "Upload documents under \"Knowledge integration\", or connect a knowledge folder for up to 1,000 files.", "Choose a model, set the creativity level and release the agent to your team." ], "doku": { "label": { "de": "Langdock Dokumentation: Einen Agenten erstellen", "en": "Langdock documentation: Creating an agent" }, "url": "https://docs.langdock.com/de/resources/agent-creation" } } ] }, "itemIcon": "megaphone", "recommended": [ { "slug": "marketingskills", "category": "tool", "name": "marketingskills", "teaser": "Open collection of 47 AI agent skills for technical marketing: copywriting, conversion optimization, SEO, paid ads, pricing and revenue operations, open source.", "domaene": "Marketing & Kampagnen" }, { "slug": "anzeigen-konzept", "category": "skill", "name": "The Ad Concept", "teaser": "Creates three ad variants with different hooks for Google Ads, Meta Ads or LinkedIn Ads from a short briefing, ready to use directly in A/B tests.", "domaene": "Marketing & Kampagnen", "itemIcon": "monitor-play" }, { "slug": "event-paket", "category": "skill", "name": "The Event Package", "teaser": "Turns a handful of event details into a complete promotion package, covering invitation emails, social posts, landing page copy and a follow-up plan.", "domaene": "Marketing & Kampagnen", "itemIcon": "calendar-heart" }, { "slug": "kampagnen-konzept", "category": "skill", "name": "The Campaign Concept", "teaser": "Turns a campaign's goal, offer, target audience, budget and timeframe into a complete concept with a creative idea, channel mix and KPIs in a single pass.", "domaene": "Marketing & Kampagnen", "itemIcon": "target" }, { "slug": "landingpage-skript", "category": "skill", "name": "The Landing Page Script", "teaser": "Builds a complete, conversion-oriented landing page text structure from product, target audience, main problem and top USPs, from the hero section to the final call to action.", "domaene": "Marketing & Kampagnen", "itemIcon": "app-window" }, { "slug": "positionierungs-expose", "category": "skill", "name": "The Positioning Brief", "teaser": "Builds a complete positioning brief for a company: positioning statement, value proposition, messaging hierarchy, elevator pitches in three lengths, tone of voice profile, tagline options and a differentiation matrix against competitors.", "domaene": "Marketing & Kampagnen", "itemIcon": "compass" }, { "slug": "hook-schreiber", "category": "assistent", "name": "The Hook Writer", "teaser": "Develops multiple opening lines for social media, emails, ads and landing pages from product, audience and channel, each labeled with a copywriting technique, psychological trigger and testing recommendation.", "domaene": "Marketing & Kampagnen", "itemIcon": "anchor" }, { "slug": "pitch-schreiber", "category": "assistent", "name": "The Pitch Writer", "teaser": "Condenses an idea, product or person into a spoken elevator pitch of 30 to 60 seconds with a hook, value proposition, unique selling point and call to action.", "domaene": "Marketing & Kampagnen", "itemIcon": "speech" }, { "slug": "testvarianten-planer", "category": "assistent", "name": "The A/B Test Planner", "teaser": "From an element to test and an optimization goal, concrete A/B test ideas emerge, each with a hypothesis, a control variant and a test variant, ready to use for your next experiment.", "domaene": "Marketing & Kampagnen", "itemIcon": "split" }, { "slug": "conversion-copywriting", "category": "tool", "name": "conversion-copywriting", "teaser": "conversion-copywriting packages Harry Dry's publicly documented Marketing Examples playbook on page structure and copy craft for higher conversion.", "domaene": "Marketing & Kampagnen" }, { "slug": "wissens-kette", "category": "workflow", "name": "The Knowledge Chain", "teaser": "A weekly workflow that clusters the most frequent topics from closed support tickets into reviewed FAQ drafts, so the knowledge base stays current without manual research.", "domaene": "Recherche & Wissensmanagement", "itemIcon": "book-open-text" } ] }