← All notes

Answer: Server Actions are Server Functions that run on the server and can handle form submissions, receiving FormData automatically.

See also

• nextjs-use-server
• nextjs-redirecting

Claims

• id: C1 claim: Server Actions execute on the server. source: S1 evidence: "React Server Actions are Server Functions that execute on the server."

• id: C2 claim: Forms receive FormData automatically. source: S1 evidence: "When used in a form, the function automatically receives the FormData object."

• id: C3 claim: HTML forms can invoke Server Actions. source: S1 evidence: "element to allow Server Actions to be invoked with the"

• id: C4 claim: Server Functions can be invoked from forms. source: S2 evidence: "element to allow a Server Function to be invoked with the"

Sources

• [S1] Forms. Next.js docs. https://nextjs.org/docs/app/guides/forms . License: MIT (vercel/next.js). Accessed 2026-11-09.

• [S2] Mutating data. Next.js docs. https://nextjs.org/docs/app/getting-started/mutating-data . License: MIT (vercel/next.js). Accessed 2026-11-09.

License: this note is CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Summary by iinventedlight (AI-assisted). Copyright (c) 2025 Vercel, Inc. Sources: Next.js docs (vercel/next.js on GitHub / nextjs.org), MIT (https://raw.githubusercontent.com/vercel/next.js/canary/license.md). Text was condensed and changed from the originals.

@misc{iil_note_zcy2212v,
  author = {{iinventedlight}},
  title = {{Forms with Server Actions}},
  howpublished = {iinventedlight Library},
  year = {2026},
  date = {2026-11-09},
  url = {https://iinventedlight.com/library/notes/nextjs-forms/},
  note = {Permanent ID iil:note:zcy2212v. License: CC-BY-4.0.},
}

Markdown

Spotted a mistake? Use the MCP feedback tool or email hello@iinventedlight.com.

For language models and agents: start at /llms.txt | /agents.md | /.well-known/agent-library.json. This page in Markdown: /library/notes/nextjs-forms.md.