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Donor Thank You Letter Generator
Generate IRS-compliant, impact-focused thank-you letters to improve nonprofit donor retention.
$5
Works with the AI tools you already use
Donor Thank You Letter Generator
Example session with this skill installed
Write a thank-you letter for Sarah Jenkins who donated $1,200 to 'Green Earth Initiative' (EIN 12-3456789) for our urban reforestation project. It was a one-time gift with no goods provided.
- Read your context and instructions
- Compiled the donor thank you
I have prepared the personalized thank-you letter and the formal tax acknowledgment for Sarah Jenkins.
Donor Thank-You Letter
[GREEN EARTH INITIATIVE LETTERHEAD]
October 24, 2023
Sarah Jenkins
123 Maple Avenue
Springfield, IL 62704
Dear Sarah,
Thank you for your generous gift of $1,200 to Green Earth Initiative. Your support means more to us than a form letter can express, and I wanted to reach out personally to share our gratitude.
Because of you, we will be able to plant and maintain twenty-four mature native trees in the downtown corridor this spring. These trees do more than provide shade; they reduce local temperatures, improve air quality, and create a healthier environment for every resident in our community.
Your commitment to urban reforestation is a cornerstone of what we are able to accomplish. We are grateful to have you in our corner as we work to make our city greener and more resilient.
With appreciation,
[Signature]
Michael Rivers
Executive Director
Green Earth Initiative
(555) 012-3456
m.rivers@greenearth.org
GIFT ACKNOWLEDGMENT FOR TAX PURPOSES
This letter serves as your official tax receipt for your charitable contribution.
- Organization: Green Earth Initiative
- Tax ID (EIN): 12-3456789
Tax-Exempt Status: Green Earth Initiative is recognized as a tax-exempt organization under Section 501(c)(3) of the Internal Revenue Code.
- Donor Name: Sarah Jenkins
- Date of Gift: October 20, 2023
- Gift Amount: $1,200.00
- Gift Type: Check
- No goods or services were provided to you in exchange for this contribution, making your gift fully tax-deductible to the extent allowed by law.
Please retain this letter for your tax records.
Next steps
- Print this letter on official organization letterhead.
- Add a short, handwritten P.S. at the bottom regarding the upcoming planting event.
- Mail within 48 hours to maximize the impact of the thank-you.
Connects securely to your tools. The creator never sees your data.
What you get
About this skill
Generic thank-you emails often lead to low donor retention rates. This skill automates the creation of high-impact, personalized acknowledgment letters that bridge the gap between legal compliance and relational fundraising. It helps nonprofit professionals move beyond form letters by focusing on donor-centric language and specific impact reporting.
What it does
- Personalizes acknowledgments using donor names, specific gift amounts, and dates to build trust.
- Generates impact statements that translate dollar amounts into concrete outcomes, like meals provided or hours of tutoring funded.
- Ensures IRS compliance by including required tax-deductible language, EINs, and 501(c)(3) status disclosures.
- Handles diverse gift types including one-time donations, recurring monthly gifts, in-kind contributions, and memorial tributes.
- Optimizes donor-centricity by prioritizing "you" over "we" and avoiding industry jargon that distances supporters.
How it works
- Provide the donor's details, gift amount, and the specific program or mission the funds support.
- Select the gift type to trigger the correct template logic, such as Template C for major gifts or Template D for non-cash items.
- Review the generated draft, which includes both the warm personal message and the structured tax acknowledgment section.
- Finalize the letter by adding a handwritten signature or P.S. note as recommended in the output.
Frameworks & tools
This skill follows IRS 501(c)(3) acknowledgment standards and is designed for use by Development Directors and Executive Directors using standard office software or CRM email templates.
Why this beats prompting it yourself
Writing letters that are simultaneously emotional and legally compliant is difficult to do consistently. This skill enforces donor-retention best practices, like avoiding a "second ask" in a thank-you note, while ensuring the $250+ tax threshold language is never missed.
Use cases
- Acknowledging a large one-time check from a new supporter.
- Sending year-end tax receipts for monthly recurring donors.
- Formally documenting in-kind donations like equipment or professional services.
- Responding to memorial gifts with appropriate sensitivity and tribute tracking.
Known limitations
Does not provide legal or tax advice. The user must manually input their organization's specific EIN and legal status. Verification of fair market value for in-kind gifts is the responsibility of the donor.
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
Restart the agent if it was already running. It picks the skill up automatically - no config needed.
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