composio vs langchainjs
composio is the more adopted project, with 30,742 GitHub stars against 18,293 for langchainjs (about 1.7x more). composio was updated more recently (today, against yesterday). Both are written in TypeScript.
| composio | langchainjs | |
|---|---|---|
| Description | Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action. | The agent engineering platform |
| Author | ComposioHQ | langchain-ai |
| Stars | 30742 | 18293 |
| Language | TypeScript | TypeScript |
| License | MIT | MIT |
| Last update | 2026-10-25T06:38:09Z | 2026-10-23T19:05:24Z |
| Source | https://github.com/ComposioHQ/composio | https://github.com/langchain-ai/langchainjs |
| Stars this week | +114 | +15 |
Which should you choose?
- composio describes itself as: "Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents..."
- langchainjs describes itself as: "The agent engineering platform"
Stars measure adoption, not fit. Read both READMEs for the tools each server exposes, then try them side by side in your client: the install guide shows how to add both.
Frequently asked questions
Which is more popular, composio or langchainjs?
composio has more GitHub stars: 30,742 against 18,293. This week composio gained 114 stars and langchainjs gained 15, which says more about current momentum than the all-time total. Both figures are refreshed daily from GitHub.
Are composio and langchainjs open source?
composio: MIT (open source). langchainjs: MIT (open source). An open-source license lets you run and self-host the server at no cost. If either one wraps a commercial API, that provider's pricing still applies, so read each README for the accounts and keys it needs.
Can I use composio and langchainjs together?
Yes, if both run as MCP servers. MCP clients such as Claude Code, Cursor and VS Code can connect to several servers at once, and the agent picks tools from each. Give them distinct names in your config, and keep the number of active servers small so tool definitions do not crowd the context window.
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composio details · langchainjs details · All AI Agent Frameworks MCP servers
Data last updated . Stars and downloads are refreshed every day from GitHub and npm.