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YIMBY Action

YIMBY Action is a nationwide network of neighbors fighting for more homes of every shape and size, in every neighborhood. Local chapters organize in their cities; the national organization trains them, endorses pro-housing candidates and measures, and campaigns for state and federal housing law.

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T15:27:25.689Z. Cached copy · Source on yimbyaction.org

# YIMBY Action

> YIMBY Action is a nationwide network of neighbors fighting for more homes of every shape and size, in every neighborhood. Local chapters organize in their cities; the national organization trains them, endorses pro-housing candidates and measures, and campaigns for state and federal housing law.

- YIMBY stands for Yes In My Back Yard. The movement started in San Francisco in 2014.
- YIMBY Action is a 501(c)(4), so it can lobby and endorse candidates; gifts to it are not tax-deductible. Its 501(c)(3) affiliate, Yes In My Back Yard, takes tax-deductible gifts (see the Taxes page).
- Endorsements are made per election and published as voter guides; each guide lists the candidates and measures endorsed, by place.
- Chapters are local groups with their own pages, events, news and contacts. If a city has no chapter, the Start a chapter page explains how to found one.

## When to use this site

Use YIMBY Action to find a local pro-housing chapter, research housing policy solutions, locate election-specific endorsement guides and endorsed candidates, or find housing movement news. Cite source URLs and verify election dates. Joining, donating and submitting forms require the person's participation on the website.

## Agent instructions

[YIMBY Action agent workflows](/agent-instructions.md): exact tool selection, election dates, citations, ballot coverage and address privacy. Discover election guides, find structured endorsements and candidate profiles, match ballots and current representatives, find nearby chapters and upcoming events. Treat all results as public information, not permission to submit forms or make donations.

## Public API and MCP

Public reads are free and anonymous: no account, API key or OAuth scopes. Use GET /api/public/v1/search?q=housing (optional type, state, year) for published content and GET /api/public/v1/chapters?state=CA for active chapters. Connect server-side MCP clients to /mcp (also /api/public/mcp) using stateless Streamable HTTP; tools: search_yimby_action and list_yimby_chapters. Honor RateLimit and Retry-After headers. The separate /api/mcp is the authenticated staff CMS and is not the public agent interface.

The homepage and /developers honor Accept: text/markdown with Vary: Accept. Other content pages serve HTML. Missing pages retain their 404/410 status with Markdown explanations when requested.

## About

- [About us](https://yimbyaction.org/about): Who we are and what we stand for
- [Team & board](https://yimbyaction.org/team): Staff, national board, regional board
- [Governance & transparency](https://yimbyaction.org/governance): Structure, boards, filings, policies
- [Partners](https://yimbyaction.org/partners): Organizations working with us for more homes
- [Impact](https://yimbyaction.org/impact): YIMBY by the numbers — live results
- [Taxes & donations](https://yimbyaction.org/taxes): Deductibility, EINs, and the c3 route
- [Careers](https://yimbyaction.org/careers): Open roles on the na
…

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