Skill

rust-lambda-build

Build and compile a Rust AWS Lambda function using Cargo Lambda. Use when the user wants to compile their Rust Lambda project, target ARM64/Graviton2, or produce a .zip deployment package. Works on macOS, Windows, and Linux.

npx claudepluginhub lep511/claude-rust-lambda-plugin --plugin rust-lambda

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Compile the Rust Lambda function using Cargo Lambda.

SKILL.md

Similar Skills

skill-lookup

159.9k

Searches, retrieves, and installs Agent Skills from prompts.chat registry using MCP tools like search_skills and get_skill. Activates for finding skills, browsing catalogs, or extending Claude.

prompts.chat

prompt-lookup

159.9k

Searches prompts.chat for AI prompt templates by keyword or category, retrieves by ID with variable handling, and improves prompts via AI. Use for discovering or enhancing prompts.

prompts.chat

next-compile

139.2k

Checks Next.js compilation errors using a running Turbopack dev server after code edits. Fixes actionable issues before reporting complete. Replaces `next build`.

1 file

vercel-next-js-2

Stats

Stars0

Forks0

Last CommitApr 8, 2026

Actions

View Source View Plugin View on GitHub View README

AWS Lambda Rust — Build

Compile the Rust Lambda function using Cargo Lambda.

Context from $ARGUMENTS

Target architecture: x86_64 (default) or arm64 (AWS Graviton2)
Output format: binary (default) or .zip (needed for AWS CLI / SAM deployment)

Step 1: Ensure Cargo Lambda is installed

cargo lambda --version

If not found, install it:

cargo install cargo-lambda

Step 2: Build the function

Standard release build (x86_64):

cargo lambda build --release

For AWS Graviton2 (ARM64) — recommended for better price/performance:

cargo lambda build --release --arm64

Build a .zip deployment package (required for AWS CLI or SAM deployment):

cargo lambda build --release --output-format zip

Build .zip for ARM64:

cargo lambda build --release --arm64 --output-format zip

Step 3: Locate the output

After a successful build:

Binary: target/lambda/<function-name>/bootstrap
Zip package: target/lambda/<function-name>/bootstrap.zip

The compiled binary is named bootstrap — this is the required executable name for Lambda custom runtimes (provided.al2023).

Important notes

Rust Lambda functions use the provided.al2023 OS-only runtime (not a managed runtime like python3.12 or nodejs20.x)
The entire function compiles into a single executable containing your code and all dependencies — no separate layers needed
Do NOT use Lambda layers for Rust dependencies — include everything in the deployment package
After a successful build, run /rust-lambda:deploy or /rust-lambda:invoke to test locally

Troubleshooting common build errors

Missing cross-compilation toolchain: On macOS/Windows building for Linux, Cargo Lambda handles cross-compilation automatically via Docker or Zig. Ensure Docker is running or Zig is installed.
Dependency version conflicts: Run cargo update and retry.
edition = "2024" errors: Ensure you're using a recent Rust toolchain (rustup update stable).