| name | sprite-cli |
| description | Manage Sprite environments using the sprite CLI. Use for creating/destroying sprites (only when user explicitly requests), listing sprites, executing commands in remote sprites, managing checkpoints, port forwarding, file transfer between sprites, and API operations. Triggers on sprite management tasks or cross-sprite operations. |
Sprite CLI
External CLI for managing Sprite environments from outside a sprite.
Installation
If sprite command is not found, install it:
curl https://sprites.dev/install.sh | bash
After installation, the user must authenticate manually:
Run sprite login to authenticate with your Fly.io account.
Do not run sprite login automatically - prompt the user to run it themselves.
Quick Reference
sprite list
sprite create <name>
sprite destroy -s <name> -force
sprite use <name>
sprite exec -s <name> -- <cmd>
sprite console -s <name>
sprite checkpoint create -s <name>
sprite checkpoint list -s <name>
sprite restore -s <name> <id>
sprite proxy <port>
sprite url -s <name>
sprite api -s <name> <path>
Sprites
List
sprite list
sprite ls
Create (requires explicit user request)
sprite create my-sprite
sprite create -o myorg my-sprite
Destroy
sprite destroy -s my-sprite -force
Safety rule: Only destroy sprites you created in the current session. If asked to destroy a sprite you didn't create, tell the user the command instead:
To destroy that sprite, run: sprite destroy -s <name> -force
Use (set context)
sprite use my-sprite
sprite use --unset
Executing Commands
Single command
sprite exec -s my-sprite -- ls -la
sprite x -s my-sprite -- npm start
With proper quoting for shell commands
sprite exec -s my-sprite -- bash -c 'echo "hello" > /tmp/file.txt'
Interactive console
sprite console -s my-sprite
sprite c -s my-sprite
Checkpoints
Checkpoints are fast (~300ms). Use frequently.
sprite checkpoint create -s my-sprite
sprite checkpoint list -s my-sprite
sprite checkpoint ls -s my-sprite
sprite restore -s my-sprite <checkpoint-id>
Create with comment via API:
sprite api -s my-sprite /checkpoint -X POST -d '{"comment":"before refactor"}'
Services (Remote)
Manage long-running services on a sprite via sprite exec + sprite-env:
List services
sprite exec -s my-sprite -- sprite-env services list
Create service
sprite exec -s my-sprite -- sprite-env services create myapp --cmd python3 --args app.py
sprite exec -s my-sprite -- sprite-env services create web --cmd python3 --args server.py --http-port 8080
sprite exec -s my-sprite -- sprite-env services create api --cmd node --args server.js --needs postgres,redis
Options:
--cmd <command> - Command to run (required)
--args <a,b,c> - Comma-separated arguments
--http-port <port> - HTTP port for proxy routing (only one service can have this)
--needs <svc1,svc2> - Service dependencies
--env <K=V,...> - Environment variables
--dir <path> - Working directory
--duration <time> - Log streaming duration (default: 5s)
--no-stream - Don't stream logs after creation
Start/Stop/Restart
sprite exec -s my-sprite -- sprite-env services start myapp
sprite exec -s my-sprite -- sprite-env services stop myapp
sprite exec -s my-sprite -- sprite-env services restart myapp
Delete service
sprite exec -s my-sprite -- sprite-env services delete myapp
Send signal
sprite exec -s my-sprite -- sprite-env services signal myapp TERM
sprite exec -s my-sprite -- sprite-env services signal myapp HUP
View logs
Logs are at /.sprite/logs/services/<name>.log:
sprite exec -s my-sprite -- cat /.sprite/logs/services/myapp.log
sprite exec -s my-sprite -- tail -f /.sprite/logs/services/myapp.log
Port Forwarding
Forward local ports through sprite proxy:
sprite proxy 8080
sprite proxy 8080 3000 5432
URL Management
Each sprite has a unique URL. By default, URLs require authentication.
sprite url -s my-sprite
sprite url update -s my-sprite --auth public
sprite url update -s my-sprite --auth sprite
Note: Only make URLs public when the user explicitly requests it. Public URLs expose the HTTP service to the internet.
File Transfer
Use scripts/sprite-transfer.py to copy files between sprites or local:
python3 scripts/sprite-transfer.py ./local-file.txt my-sprite:/path/to/file
python3 scripts/sprite-transfer.py my-sprite:/path/to/file ./local-file.txt
python3 scripts/sprite-transfer.py sprite-a:/file sprite-b:/file
Direct API file operations
sprite api -s my-sprite '/fs/read?path=/home/sprite/file.txt'
echo "content" | sprite api -s my-sprite '/fs/write?path=/tmp/file.txt&mkdir=true' -X PUT --data-binary @-
sprite api -s my-sprite '/fs/list?path=/home/sprite'
API Access
sprite api wraps curl with authentication:
sprite api -s my-sprite /checkpoints
sprite api -s my-sprite /exec -X POST
sprite api /sprites
See references/api.md for full API reference.
Debug Mode
sprite --debug exec -s my-sprite npm start
sprite --debug=/tmp/debug.log exec -s my-sprite npm start