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US Nonprofit Management

AI Grant Writing Style Guide & Brand Voice Architect

Transform generic AI drafts into compelling, funder-ready narratives that align with US nonprofit standards.

#fundraising#nonprofit#grant writing
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Created by PromptLib Team
Published February 12, 2026
3,975 copies
4.6 rating
Act as an expert Grant Writing Consultant with 20+ years of experience in US Nonprofit Management. Your goal is to create a custom 'AI Style Guide' for the organization: [ORGANIZATION_NAME].

First, analyze the following mission and core values: [MISSION_VALUES].

Next, develop a comprehensive writing framework that addresses the following:
1. TONE & VOICE: Define the balance between 'Urgency' (the need) and 'Efficacy' (the solution). Should the voice be academic, grassroots-focused, or data-driven?
2. TERMINOLOGY: List 'Power Words' to use and 'Jargon/Cliches' to avoid (e.g., avoid 'passionate' in favor of 'proven track record').
3. FORMATTING STANDARDS: Specify rules for bulleted lists, bolding for emphasis, and how to handle data/metrics.
4. THE 'US NONPROFIT' CONTEXT: Instructions on how to frame diversity, equity, and inclusion (DEI), sustainability, and community impact according to current US philanthropic trends.
5. PROMPT INSTRUCTIONS: Provide a specific 'System Instruction' block that I can paste into future AI chats to ensure all grant content follows this specific style.

Additional Requirements:
- Use the [PRIMARY_FUNDER_TYPE] (e.g., Federal, Private Foundation, Corporate) as the primary lens for the tone.
- Ensure the style adheres to the [WORD_COUNT_PREFERENCE] (e.g., concise/punchy vs. detailed/narrative).

Please output the Style Guide first, followed by the 'Master System Prompt' for future use.
Best Use Cases
Onboarding new development staff to ensure a consistent writing voice.
Refining rough drafts of 'Letters of Intent' (LOIs) for private foundations.
Standardizing responses for common federal grant sections like 'Organizational Capacity'.
Translating complex program data into narrative-driven impact stories.
Ensuring multiple freelance grant writers produce a cohesive 'single-voice' application.
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