bankrbot/endaoment
endaoment/SKILL.md
Donate to charities onchain via Endaoment. Use when the user wants to donate crypto to charity, make a charitable contribution, give to nonprofits, support a cause, or donate to a 501(c)(3). Supports Base, Ethereum, and Optimism. Handles USDC donations directly or swaps ETH/tokens to USDC automatically.
$ install --global
skillsauthnpx skillsauth add bankrbot/skills endaomentInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 20, 2026, 3:08 AM26.6s4 files scanned
SKILL.md
- name:
- endaoment
- description:
- Donate to charities onchain via Endaoment. Use when the user wants to donate crypto to charity, make a charitable contribution, give to nonprofits, support a cause, or donate to a 501(c)(3). Supports Base, Ethereum, and Optimism. Handles USDC donations directly or swaps ETH/tokens to USDC automatically.
Endaoment Charity Donations
Donate to 501(c)(3) nonprofits onchain via Endaoment's smart contracts.
Quick Start
Find a Charity
Search by name or EIN:
./scripts/search.sh "27-1661997" # EIN lookup (GiveDirectly)
./scripts/search.sh "Red Cross" # Name search
Donate USDC (Base)
./scripts/donate.sh <ein> <amount_usdc>
Example: Donate $5 USDC to GiveDirectly:
./scripts/donate.sh 27-1661997 5
How It Works
The donate script uses Bankr's arbitrary transaction feature to:
- Approve USDC to the Endaoment OrgFundFactory
- Call
deployOrgAndDonate(orgId, amount)which:- Deploys the charity's entity contract on Base (if not already deployed)
- Donates the specified USDC amount
Popular Charities
| Charity | EIN | |---------|-----| | GiveDirectly | 27-1661997 | | North Shore Animal League America | 11-1666852 | | American Red Cross | 53-0196605 | | Doctors Without Borders | 13-3433452 | | ASPCA | 13-1623829 |
See references/popular-charities.md for more.
Contract Addresses (Base)
| Contract | Address |
|----------|---------|
| Registry | 0x237b53bcfbd3a114b549dfec96a9856808f45c94 |
| OrgFundFactory | 0x10fd9348136dcea154f752fe0b6db45fc298a589 |
| USDC | 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 |
Fees
- Org donations: 1.5% fee (e.g., $100 → $1.50 fee, $98.50 to charity)
- Fund donations: 0.05-0.50% tiered
Requirements
- Bankr skill with API key configured
- USDC balance on Base
- ETH on Base for gas (Bankr covers this)
Technical Details
Function Selectors
approve(address,uint256):0x095ea7b3deployOrgAndDonate(bytes32,uint256):0xdb9e30cc
OrgId Encoding
The EIN (e.g., "11-1666852") is encoded as bytes32:
"11-1666852" → 0x31312d3136363638353200000000000000000000000000000000000000000000
Notes
- All donations are tax-deductible (US 501(c)(3) orgs)
- Donations are permissionless — anyone can donate
- Uses Bankr arbitrary transactions for contract interaction
- Works on Base; other chains require different addresses
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