.env.example

# SINT Protocol — Environment Configuration
#
# Copy to .env and fill in your values.
# Railway auto-injects DATABASE_URL and REDIS_URL when using their services.

# ── Storage Backend ──
SINT_STORE=memory             # "memory" or "postgres"
SINT_CACHE=memory             # "memory" or "redis"

# ── Database (required when SINT_STORE=postgres) ──
# DATABASE_URL=postgresql://sint:sint@localhost:5432/sint

# ── Redis (required when SINT_CACHE=redis) ──
# REDIS_URL=redis://localhost:6379

# ── Gateway Server ──
SINT_PORT=3100
# SINT_API_KEY=your-admin-api-key-here
# SINT_REQUIRE_SIGNATURES=false
SINT_RATE_LIMIT=100

# ── SINT MCP (optional) ──
# SINT_MCP_TRANSPORT=stdio    # "stdio" or "sse"
# SINT_MCP_PORT=3200
# SINT_MCP_POLICY=cautious    # "permissive", "cautious", "strict"
# SINT_MCP_APPROVAL_TIMEOUT=120000
# SINT_AGENT_PRIVATE_KEY=     # Auto-generated if unset