#writing hackathon ideas

15 ideas across 5 categories · 7 beginner · 8 intermediate · 0 advanced. Sorted by judging fit (editorial estimate).

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AI Agents
NGO Grant Application Agent
The agent drafts grant applications from your past reports and the funder's criteria
Intermediate18h1–3
RAGLLMMarkItDown
18/20
AI
Inclusive Job Post Rewriter
Paste a job description and get biased or exclusionary phrases flagged with fixes
Beginner8h1–2
LLMNext.jsTailwind
17/20
AI
Product Listing from One Photo
Snap a product and get a title, description, tags and price range ready to list
Beginner8h1–2
Vision LLMNext.jsTailwind
17/20
AI
Consumer Complaint Letter Drafter
Describe what went wrong and get a firm, polite complaint with the right details
Beginner8h1–2
LLMNext.jsTailwind
17/20
Productivity
Document Version Diff Explainer
Compare two versions of a document and get what changed in plain language
Intermediate14h1–2
MarkItDownLLMNext.js
17/20
Productivity
Outline to Slide Deck
Write a bullet outline and get a clean, editable slide deck
Intermediate14h1–2
LLMReactSatori
17/20
Productivity
AI Snippet Expander
Type a short trigger and get a personalised reply drafted from context
Intermediate14h1–2
Chrome extensionLLM
17/20
Productivity
Voice Memo to Blog Draft
Ramble for five minutes and get a structured blog draft in your voice
Beginner8h1
WhisperLLMNext.js
17/20
EdTech
Rubric-Based Essay Feedback
Instant feedback on drafts mapped to the teacher's rubric
Intermediate14h1–2
LLMNext.jsPostgres
17/20
EdTech
AI-Use Transparency Log
Students record how they used AI on an assignment for honest disclosure
Intermediate12h1–2
Next.jsLLMPostgres
17/20
EdTech
Kids Storybook Co-Writer
Kids write a story together with AI and get illustrated pages
Beginner10h1–2
LLMImage generationNext.js
17/20
Gaming
Branching Story Editor
Write interactive fiction visually and play-test instantly
Intermediate14h1–2
tldrawReactLLM
17/20
AI
Context-Aware Writing Assistant
Improves clarity without changing the writer’s voice
Intermediate24h1–2
Next.jsLLM
16/20
AI
Brand Voice Checker
Check social posts against your brand voice guide before posting
Beginner8h1–2
LLMNext.jsTailwind
16/20
AI Agents
Content Repurposing Agent
Turn one blog post into a thread, a LinkedIn post and a newsletter blurb
Beginner10h1–2
LLMVercel AI SDKNext.js
16/20

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