How fastify-plugin is used
fastify-plugin joined the catalog on its public numbers (11,534,876 downloads a week on npm and 240 GitHub stars), not on our project count: it is a dependency in 8 public GitHub projects of our scan, 2 of them set up for AI coding agents. Projects that use it most often also use Fastify (100.0%), Fastify CORS (75.0%), @fastify/rate-limit (75.0%).
fastify-plugin popularity over time
Gid Score 43: downloads 86, use in agent projects 14, GitHub stars 0, downloads trend 64 (each 0-100). How it is calculated.
Often used with fastify-plugin
| Fastify | 100.0% of fastify-plugin projects · 413.9× more than average |
|---|---|
| Fastify CORS | 75.0% of fastify-plugin projects · 517.3× more than average |
| @fastify/rate-limit | 75.0% of fastify-plugin projects · 931.2× more than average |
| tsx | 75.0% of fastify-plugin projects · 5.0× more than average |
| Vitest | 75.0% of fastify-plugin projects · 3.6× more than average |
| @fastify/helmet | 62.5% of fastify-plugin projects · 1940.0× more than average |
| pino-pretty | 62.5% of fastify-plugin projects · 60.6× more than average |
| @fastify/autoload | 50.0% of fastify-plugin projects · 1034.7× more than average |
How fastify-plugin is funded
Open Collective: Fastify
| Received, last 12 months | $11,981 Oct 2025 – Sep 2026 |
|---|---|
| Estimated annual budget | $15,492 Open Collective's estimate |
| Balance | $23,397 |
| Raised since the start | $23,585 · $188 paid out |
| Typical month median, last 12 months | $716 · $595 over 24 months |
| Last 12 months vs the 12 before | +37% |
| Contributors, last 12 months | 9 |
Top company backers all time, 7 companies in total
| Handsontable - JavaScript Data Grid | $2,700 since Jul 2024 |
|---|---|
| Val Town | $1,200 since Nov 2025 |
| OpenJS Foundation | $1,090 since Nov 2025 |
| TestMu AI (Formerly LambdaTest) | $1,000 since Sep 2025 |
| N-iX Ltd | $400 since Jul 2026 |
Nov 2023Sep 2026
Money by month. First money received in Nov 2023. The typical month is the median: one big one-off donation does not move it.
The same collective is named by 15 more tools in our catalog: Fastify, Fastify CORS, @fastify/static, @fastify/rate-limit, @fastify/cookie, Fastify Compress and others.
USD after payment processor fees, as Open Collective reports it; fiscal host Open Source Collective. Source
GitHub Sponsors
| @fastify | 11 current sponsors |
|---|
GitHub shows how many people and companies sponsor an account, not how much they pay.
Ways to fund fastify-plugin
GitHub Sponsors Open Collective
As the maintainers list them in FUNDING.yml on GitHub. Checked Oct 20, 2026.
Install
| Package | npm install fastify-plugin |
|---|---|
| Main stacks | TypeScript / JavaScript (8) |
| Example projects | flaviodelgrosso/fastify-mcp-server |
Alternatives to fastify-plugin
In our scan, none of the most used tools in HTTP servers and APIs does the same job as fastify-plugin: they are add-ons, companions or tools for a different task.
More in HTTP servers and APIs: Uvicorn FastAPI Express cors python-multipart Flask Hono Starlette