AI Plugin IndexLangChain Advanced vs frontend-api-contracts
LangChain Advanced and frontend-api-contracts are both ai and llm tools skills. frontend-api-contracts scores higher (87 vs 20 out of 100). frontend-api-contracts has more GitHub stars (91k), and frontend-api-contracts was updated more recently (3 days ago). The table compares them side by side.
| LangChain Advanced | frontend-api-contracts | |
|---|---|---|
| Score | 20 / 100 | 87 / 100 |
| What it does | Advanced LangChain patterns: chains, agents, callbacks, and custom components. | This skill should be used when the user asks to "add an API call", "change a backend", "update settings persistence", "change conversation events", "fix backend auth", "add Agent Server support", or changes src/api, backend registry, Cloud/runtime transport, settings, secrets, compatibility, or conversation resume behavior. |
| Publisher | Community: cgyudistira | Community: OpenHands |
| Grades | Maintenance D, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | Not on npm | Not on npm |
| Runs | Skill | Skill |
| Works with | Claude Code, Claude apps | Claude Code, Claude apps |
| GitHub stars | 2 | 91,343 |
| Last commit | 9 Feb 2026 | 20 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 19 Oct 2026 | 20 Oct 2026 |
| Install LangChain Advanced | Install frontend-api-contracts |
Questions
Is LangChain Advanced or frontend-api-contracts more popular?
frontend-api-contracts has more GitHub stars: 91,343.
Can I use LangChain Advanced and frontend-api-contracts together?
Yes. AI assistants can load several skills at once. Install both and the assistant picks the right one for each task.