#44th of 45 in Backend and cloud templates
serverless
CLI that deploys AWS Lambda code and infrastructure from serverless.yml
- Stars
- 46.9k
- License
- custom license
- Last commit
- Nov 2026
- Last release
- Oct 2026
- Language
- JavaScript
46,697 on 20 Apr 202646,931 on 9 Nov 2026
From GitHub's daily star counts.
Checked on GitHub.
Overview
The Serverless Framework is a Node.js CLI that reads a serverless.yml file and deploys functions, event triggers and supporting AWS resources such as DynamoDB, S3 and API Gateway. V.4 adds web apps on Lambda, MCP server hosting, Bedrock AgentCore definitions, a Dev Mode that runs local code against deployed traffic, and bundled agent skills. The repository root is under a proprietary license, with the MIT code in packages/serverless.
Who it is for: Engineers deploying APIs, tasks and agents to AWS Lambda
Strengths
- Declares Lambda functions, events and DynamoDB/S3/API Gateway resources in one serverless.yml
- Dev Mode routes real stage traffic to local code without redeploying
- Supports Node.js, Python, Java, Go, .NET, Ruby and other Lambda runtimes
- Over 1,000 plugins; several popular ones now built in, such as custom domains
Weaknesses
- V.4 requires login to Serverless Dashboard; CLI free only for small orgs
- Non-AWS providers deprecated in V.4; focus is AWS only
- Mixed licensing: proprietary root license, MIT only in packages/serverless
- Self-updates automatically every 24 hours by default
What it needs
- JavaScript, Amazon Bedrock
- Needs Node.js 18.17.0+, AWS account, Serverless Dashboard login
What changed
- sf-core@4.44.0 ↗ (opens in a new tab)Security fix
GHSA-M9GG-HP2V-232J, GHSA-F596-WHHP-79R4, GHSA-J6R3-76F7-8JCV, GHSA-H3MG-XC3C-68PW, GHSA-RPW4-54J3-4H4Q, GHSA-2VR4-CQ9G-PVRC, GHSA-HRR3-GC8F-F4QJ. “Upgraded @grpc/grpc-js to v1.14.5 (#13922) — GHSA-m9gg-hp2v-232j, GHSA-f596-whhp-79r4”
From the release notes. No flag means the note does not say so, not that the upgrade is safe.
Quick answers
Is serverless open source?
Its code is public on GitHub under its own license terms; read them before you use it at work.
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