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hostfunc vs AWS Lambda
AWS Lambda is the most powerful and configurable serverless platform there is — and that power comes with IAM, API Gateway, VPCs, and infrastructure-as-code. hostfunc trades that ceiling for speed: export a single main() and you have a live URL with triggers, encrypted secrets, an MCP server, and observability in seconds, with zero ops.
| Capability | hostfunc | AWS Lambda |
|---|---|---|
| Languages | TypeScript-first | Many (Node, Python, Go, …) |
| Setup | Write main(), deploy — no infra config | IAM, API Gateway, IaC / console |
| Triggers | HTTP, cron, email, MCP — built in | Via API Gateway, EventBridge, SES, … |
| Agent / MCP native | Built-in MCP server | Not built-in |
| Secrets | Encrypted secrets UI, run-time fetch | Secrets Manager / SSM (separate setup) |
| Cold start model | V8 isolates (fast cold start) | Containers / micro-VMs |
| Marketplace | Public, forkable functions | None |
| Self-host | Yes — Docker Compose | AWS-managed only |
Choose hostfunc when
- You want to ship a function in seconds without touching IAM, API Gateway, or Terraform.
- You want agent/MCP access and composition lineage built in.
- You value fast V8 isolate cold starts and a single, unified observability pipeline.
Choose AWS Lambda when
- You need deep AWS integration, many language runtimes, or fine-grained IAM and VPC control.
- You're building large, complex systems where infrastructure-as-code is a requirement.
- You need enterprise compliance and SLAs that a managed cloud provides.
Ship your first function in 90 seconds
Sign in, drop in some TypeScript, hit deploy. See the pricing or browse use cases.