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Improve README with better intro, how-it-works, and dev guide (#51)

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- Add compelling tagline with stats (13 agents, 18 clouds, 234 combinations)
- Add "How it works" section explaining the script architecture
- Add project structure overview and contribution quick-start
- Remove internal `spawn improve` from public command table
- Clean up formatting and tighten copy
- Add Apache 2.0 LICENSE file

Co-authored-by: Sprite <noreply@sprite.dev>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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61
README.md
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@ -1,6 +1,8 @@
# Spawn # Spawn
Launch any agent on any cloud, powered by [OpenRouter](https://openrouter.ai). Launch any AI coding agent on any cloud with a single command. All models powered by [OpenRouter](https://openrouter.ai).
**13 agents. 18 clouds. 234 combinations. Zero config.**
## Install ## Install
@ -21,9 +23,9 @@ spawn list # Show the full matrix
```bash ```bash
spawn # Interactive picker spawn # Interactive picker
spawn claude sprite # Claude Code on Sprite spawn claude sprite # Claude Code on Sprite
spawn aider hetzner # Aider on Hetzner Cloud spawn aider hetzner # Aider on Hetzner
spawn claude sprite --prompt "Fix bugs" # Execute with prompt (non-interactive) spawn claude sprite --prompt "Fix bugs" # Non-interactive with prompt
spawn aider sprite -p "Add tests" # Short form of --prompt spawn aider sprite -p "Add tests" # Short form
spawn claude # Show clouds available for Claude spawn claude # Show clouds available for Claude
``` ```
@ -33,19 +35,17 @@ spawn claude # Show clouds available for Claude
|---------|-------------| |---------|-------------|
| `spawn` | Interactive agent + cloud picker | | `spawn` | Interactive agent + cloud picker |
| `spawn <agent> <cloud>` | Launch agent on cloud directly | | `spawn <agent> <cloud>` | Launch agent on cloud directly |
| `spawn <agent> <cloud> --prompt "text"` | Execute agent with prompt (non-interactive) | | `spawn <agent> <cloud> -p "text"` | Non-interactive with prompt |
| `spawn <agent> <cloud> --prompt-file file.txt` | Execute agent with prompt from file | | `spawn <agent> <cloud> --prompt-file f.txt` | Prompt from file |
| `spawn <agent>` | Show available clouds for an agent | | `spawn <agent>` | Show available clouds for an agent |
| `spawn list` | Full agent x cloud matrix | | `spawn list` | Full agent x cloud matrix |
| `spawn agents` | List all agents | | `spawn agents` | List all agents |
| `spawn clouds` | List all cloud providers | | `spawn clouds` | List all cloud providers |
| `spawn improve` | Run improvement system |
| `spawn update` | Check for CLI updates | | `spawn update` | Check for CLI updates |
| `spawn version` | Show version |
### Without the CLI ### Without the CLI
Every combination also works as a one-liner: Every combination works as a one-liner — no install required:
```bash ```bash
bash <(curl -fsSL https://openrouter.ai/lab/spawn/{cloud}/{agent}.sh) bash <(curl -fsSL https://openrouter.ai/lab/spawn/{cloud}/{agent}.sh)
@ -56,11 +56,10 @@ bash <(curl -fsSL https://openrouter.ai/lab/spawn/{cloud}/{agent}.sh)
Skip all prompts with environment variables: Skip all prompts with environment variables:
```bash ```bash
OPENROUTER_API_KEY=sk-or-v1-xxxxx \ OPENROUTER_API_KEY=sk-or-v1-xxxxx spawn claude sprite
spawn claude sprite
``` ```
Each cloud has its own env vars for auth — see the cloud's [README](sprite/README.md). Each cloud has its own env vars for auth — see the cloud's README.
## Matrix ## Matrix
@ -80,6 +79,17 @@ Each cloud has its own env vars for auth — see the cloud's [README](sprite/REA
| [**OpenCode**](https://github.com/opencode-ai/opencode) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | | [**OpenCode**](https://github.com/opencode-ai/opencode) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| [**Plandex**](https://github.com/plandex-ai/plandex) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | | [**Plandex**](https://github.com/plandex-ai/plandex) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
### How it works
Each cell in the matrix is a self-contained bash script that:
1. Provisions a server on the cloud provider
2. Installs the coding agent
3. Injects your [OpenRouter](https://openrouter.ai) API key so every agent uses the same billing
4. Drops you into an interactive session
Scripts work standalone (`bash <(curl ...)`) or through the CLI.
## Development ## Development
```bash ```bash
@ -87,3 +97,30 @@ git clone https://github.com/OpenRouterTeam/spawn.git
cd spawn cd spawn
git config core.hooksPath .githooks git config core.hooksPath .githooks
``` ```
### Structure
```
{cloud}/lib/common.sh # Cloud provider primitives (provision, SSH, cleanup)
{cloud}/{agent}.sh # Agent deployment script
shared/common.sh # Shared utilities (OAuth, logging, SSH helpers)
cli/ # TypeScript CLI (bun)
manifest.json # Source of truth for the matrix
```
### Adding a new cloud
1. Create `{cloud}/lib/common.sh` with provisioning primitives
2. Add to `manifest.json`
3. Implement agent scripts using the cloud's primitives
4. See [CLAUDE.md](CLAUDE.md) for full contributor guide
### Adding a new agent
1. Add to `manifest.json`
2. Implement on 1+ cloud by adapting an existing agent script
3. Must support OpenRouter via env var injection
## License
[Apache 2.0](LICENSE)