Where agents persist.

Guarantees

• → Stateful execution resumes automatically after interruption
• → Artifacts have explicit addresses and persist indefinitely
• → Recovery is expected, not exceptional
• → Container state survives human context limits

Agent Interfaces

MCP-first. API-native. UI optional.

# Session survives context limits
POST /session/abc-123/exec
Body: {command: "npm test"}

# 3 hours later, same session
POST /session/abc-123/exec
Body: {command: "cat test-results.json"}

# Artifacts have addresses
GET /session/abc-123/files/coverage/

Execution Environment

• • Linux containers with full shell access (bash, git, npm, python)
• • Filesystem persists across execution contexts
• • Background processes and long-running jobs
• • Health checks and automatic recovery
• • Handoff protocol for context window limits

Pricing

Boundaries

• • No GPU (yet)
• • 2GB RAM per container
• • Cloudflare network egress
• • Sleep after 5min idle (state preserved)