Noun Project

Icon library with a pay-per-use Icon API; icons under Public Domain, CC BY 3.0 or royalty-free licenses.

Icons Library

Website License API docs Pricing

Price

Paid

paid from $25 a month

Commercial use

With conditions

Public Domain / CC BY 3.0 / Royalty-Free; API terms

Credit the author

Per item

Credit depends on the item

Agent access

Public API + community MCP

API key needed

Rules for your agent

- Noun Project (Icons). Icon library with a pay-per-use Icon API; icons under Public Domain, CC BY 3.0 or royalty-free licenses. Price: paid; commercial use with conditions; credit depends on the item; ship inside your app with conditions; no AI training on its content.
  Connect: community MCP server @alisaitteke/noun-mcp; API docs https://api.thenounproject.com/ (API key needed). Limits: Trial: 1,000/day and 2,000/month service calls, 150 icon calls. Pay-per-use: 200k/day service, 10k/day icon calls. HTTP 429 on excess.
  Rule: Do not share API-downloaded icons with others.
  Rule: Credit CC BY 3.0 icon creators unless you hold a royalty-free license.
  Rule: Do not use icons to train AI or ML without prior approval.
  License: https://thenounproject.com/legal/ (checked 2026-10-10; details: https://agentgid.com/assets/noun-project/)

Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.

License

License	Public Domain / CC BY 3.0 / Royalty-Free; API terms
Commercial use	Commercial use with conditions
Credit	Credit depends on the item
Inside your app or game	Ship inside your app with conditions
AI training	Banned by the terms
Bots and bulk downloads	Not stated
Rules	Do not share API-downloaded icons with others. Credit CC BY 3.0 icon creators unless you hold a royalty-free license. Do not use icons to train AI or ML without prior approval.

Connect it to an agent

MCP server	Community servers only: @alisaitteke/noun-mcp
API	API docs · key needed
Limits	Trial: 1,000/day and 2,000/month service calls, 150 icon calls. Pay-per-use: 200k/day service, 10k/day icon calls. HTTP 429 on excess.

Pricing

Free	30-day free API trial, up to $5 value, no card.
Paid from	$25 a month
Usage price	Pay-per-use: $0.0025 per service call, $0.0095 per icon call ($25 minimum); Custom from $300/month.
Good to know	The API page says all icons include royalty-free commercial licensing.

Sources

Read on Oct 10, 2026: api.thenounproject.com/, api.thenounproject.com/getting_started.html, thenounproject.com/developers/, thenounproject.com/legal/.

Not confirmed: How CC BY credit interacts with royalty-free API licensing is not fully clear.

Not legal advice. Check the license page before you ship.

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