.env.example

# ── Transport ──────────────────────────────────────────────────────────
# MCP_TRANSPORT_TYPE=stdio          # stdio | http (default: stdio)
# MCP_HTTP_PORT=3010                # HTTP port (default: 3010)
# MCP_HTTP_HOST=localhost           # HTTP host (default: localhost)
# MCP_HTTP_ENDPOINT_PATH=/mcp      # HTTP endpoint path (default: /mcp)
# MCP_PUBLIC_URL=                   # Public origin when behind a TLS-terminating proxy (e.g. https://mcp.example.com)

# ── Auth ──────────────────────────────────────────────────────────────
# MCP_AUTH_MODE=none                # none | jwt | oauth (default: none)
# MCP_AUTH_SECRET_KEY=              # JWT secret (required for jwt mode)

# ── Storage ───────────────────────────────────────────────────────────
# STORAGE_PROVIDER_TYPE=in-memory   # in-memory | filesystem | supabase | cloudflare-r2 | cloudflare-kv | cloudflare-d1

# ── Session ──────────────────────────────────────────────────────────
# MCP_SESSION_MODE=auto             # auto | stateful | stateless (default: auto — resolves to stateful)
# MCP_HTTP_RESUMABILITY=true        # Replay a dropped SSE stream on Last-Event-ID (stateful HTTP only)
# MCP_HTTP_RESUMABILITY_MAX_EVENTS=512
# MCP_HTTP_RESUMABILITY_TTL_MS=300000

# ── Logging ───────────────────────────────────────────────────────────
# MCP_LOG_LEVEL=info                # debug | info | notice | warning | error
# MCP_LOG_RATE_LIMIT_THRESHOLD=10   # Max emissions per level+message per window; 0 disables
# MCP_LOG_RATE_LIMIT_WINDOW_MS=60000

# ── Telemetry ─────────────────────────────────────────────────────────
# OTEL_ENABLED=false                          # Enable OpenTelemetry (default: false)
# OTEL_EXPORTER_OTLP_ENDPOINT=               # OTLP endpoint URL (e.g., http://localhost:4318)

# ── ClinicalTrials.gov ──────────────────────────────────────────────
# CT_API_BASE_URL=https://clinicaltrials.gov/api/v2  # API base URL
# CT_REQUEST_TIMEOUT_MS=30000                        # Per-request timeout in ms
# CT_MAX_PAGE_SIZE=200                               # Maximum page size cap
# CT_MAX_ELIGIBLE_CANDIDATES=100                     # Max studies to evaluate in find_eligible