paddle-billing-blade-mcp

Paddle Billing MCP server for Claude and other LLM agents. Token-efficient, security-first, Sidereal-native.

40 tools covering products, prices, customers, subscriptions, transactions, adjustments, discounts, payment methods, notifications, events, webhooks, reports, and simulations.

Why another Paddle MCP?

• SecOps -- Mandatory environment isolation (sandbox/production), write gating, confirm gate for destructive operations, credential scrubbing in all error paths
• Token efficiency -- Pipe-delimited lists, field selection, human-readable money, null-field omission, pagination hints with cursor -- not raw JSON dumps
• Sidereal ecosystem -- billing-v1 contract, plugin manifest, webhook verification for future dispatch integration

Comparison

Capability	paddle-billing-blade-mcp	@paddle/paddle-mcp
Token-efficient responses	Pipe-delimited, field selection, summarised	Raw JSON.stringify (full objects)
Write gating	Per-operation env var gate	Coarse 3-tier filter
Destructive op confirmation	confirm=true required	None
Environment isolation	Mandatory sandbox/production, fail closed	Required but accepts CLI arg
API key security	Env var only, credential scrubbing	Env var or CLI arg
Webhook HMAC verification	Built-in tool	Not available
Money formatting	Human-readable ($29.00 USD)	Raw cents ("2900")
Field selection	fields parameter on detail views	Not available
Pagination hints	Cursor + "N more" hints	Single page, manual cursor
Tests	143 unit tests	Zero tests
Sidereal integration	billing-v1 contract, plugin manifest	None
Runtime	Python (uv)	Node.js (npx)

Token efficiency: before and after

@paddle/paddle-mcp (raw JSON, ~800 tokens):

{"data":[{"id":"pro_abc123","name":"Pro Plan","description":"Professional subscription plan with all features","type":"standard","tax_category":"standard","image_url":null,"custom_data":null,"status":"active","import_meta":null,"created_at":"2026-03-15T10:00:00.000000Z","updated_at":"2026-03-15T10:00:00.000000Z"}],"meta":{"request_id":"req_abc","pagination":{"per_page":50,"next":"...","has_more":true,"estimated_total":25}}}

paddle-billing-blade-mcp (pipe-delimited, ~50 tokens):

pro_abc123 | Pro Plan | active | standard | tax=standard
... 24 more (pass after="pro_abc123" to continue)

Quick start

# Install
uv tool install paddle-billing-blade-mcp

# Configure (stdio mode -- default)
export PADDLE_API_KEY="pdl_sdbx_..."
export PADDLE_ENVIRONMENT="sandbox"

# Run
paddle-billing-blade-mcp

Claude Desktop / Claude Code

{
  "mcpServers": {
    "paddle": {
      "command": "uvx",
      "args": ["paddle-billing-blade-mcp"],
      "env": {
        "PADDLE_API_KEY": "pdl_sdbx_...",
        "PADDLE_ENVIRONMENT": "sandbox"
      }
    }
  }
}

HTTP transport (remote/tunnel access)

export PADDLE_MCP_TRANSPORT="http"
export PADDLE_MCP_HOST="127.0.0.1"
export PADDLE_MCP_PORT="8769"
export PADDLE_MCP_API_TOKEN="your-bearer-token"  # optional, enables auth
paddle-billing-blade-mcp

Security model

Environment isolation

PADDLE_ENVIRONMENT must be sandbox or production. Missing or invalid values fail closed -- no accidental operations against the wrong environment.

Write gate

All mutating operations require PADDLE_WRITE_ENABLED=true. Without it, the server is read-only.

Confirm gate

Destructive operations that are difficult or impossible to reverse require confirm=true:

• Cancel subscription
• Delete payment method
• Delete notification setting
• Run simulation

Credential scrubbing

API keys (pdl_*) and Bearer tokens are scrubbed from all error messages. Credentials never leak through tool responses.

Bearer auth (HTTP transport)

When PADDLE_MCP_API_TOKEN is set, every HTTP request must include a matching Authorization: Bearer <token> header. Constant-time comparison via secrets.compare_digest.

Configuration

Variable	Required	Description
PADDLE_API_KEY	Yes	Paddle API key (pdl_sdbx_* or pdl_live_*)
PADDLE_ENVIRONMENT	Yes	sandbox or production
PADDLE_WRITE_ENABLED	No	Set to true to enable write operations
PADDLE_WEBHOOK_SECRET	No	Webhook signing secret for HMAC verification
PADDLE_MCP_TRANSPORT	No	stdio (default) or http
PADDLE_MCP_HOST	No	HTTP host (default 127.0.0.1)
PADDLE_MCP_PORT	No	HTTP port (default 8769)
PADDLE_MCP_API_TOKEN	No	Bearer token for HTTP transport auth

Tools (40)

Meta (2)

Tool	R/W	Description
paddle_info	R	Environment, connectivity, configuration status
paddle_ip_addresses	R	Paddle IPs for webhook firewall allowlisting

Products & Prices (8)

Tool	R/W	Description
paddle_products	R	List products (status, tax_category filters)
paddle_product	R	Get product detail, optional inline prices
paddle_create_product	W	Create product
paddle_update_product	W	Update product
paddle_prices	R	List prices (product_id, status filters)
paddle_price	R	Get price detail with billing cycle
paddle_create_price	W	Create price (amount, currency, billing cycle, trial)
paddle_update_price	W	Update price

Customers (11)

Tool	R/W	Description
paddle_customers	R	List/search customers
paddle_customer	R	Get customer detail
paddle_create_customer	W	Create customer
paddle_update_customer	W	Update customer
paddle_customer_credit	R	Credit balance
paddle_customer_portal	W	Create portal session URL
paddle_customer_addresses	R	List or get addresses
paddle_create_address	W	Create address
paddle_update_address	W	Update address
paddle_customer_businesses	R	List or get businesses
paddle_create_business	W	Create business

Subscriptions (7)

Tool	R/W	Description
paddle_subscriptions	R	List (status, customer_id, price_id filters)
paddle_subscription	R	Get detail with items and billing period
paddle_update_subscription	W	Update items, proration
paddle_subscription_lifecycle	W+C	Pause/resume/cancel (confirm for cancel)
paddle_activate_subscription	W	Activate trialing subscription
paddle_subscription_charge	W	One-time charge
paddle_preview_subscription	R	Preview update/charge pricing

Transactions (5)

Tool	R/W	Description
paddle_transactions	R	List (status, customer, subscription, date range)
paddle_transaction	R	Get detail with totals and line items
paddle_create_transaction	W	Create transaction
paddle_preview_transaction	R	Preview pricing
paddle_invoice_pdf	R	Invoice PDF download URL

Adjustments & Discounts (6)

Tool	R/W	Description
paddle_adjustments	R	List (transaction_id, action filter)
paddle_create_adjustment	W	Create refund/credit/chargeback
paddle_discounts	R	List discounts
paddle_discount	R	Get discount detail
paddle_create_discount	W	Create discount
paddle_update_discount	W	Update discount

Payment Methods (2)

Tool	R/W	Description
paddle_payment_methods	R	List customer payment methods
paddle_delete_payment_method	W+C	Delete (confirm required)

Notifications & Events (7)

Tool	R/W	Description
paddle_notification_settings	R	List notification destinations
paddle_create_notification_setting	W	Create webhook destination
paddle_delete_notification_setting	W+C	Delete (confirm required)
paddle_notifications	R	List notifications
paddle_notification	R	Get detail with delivery logs
paddle_replay_notification	W	Replay a notification
paddle_events	R	List events

Webhooks (2)

Tool	R/W	Description
paddle_verify_webhook	R	HMAC-SHA256 signature verification
paddle_parse_event	R	Parse webhook payload

Reports (3)

Tool	R/W	Description
paddle_reports	R	List reports
paddle_create_report	W	Create report
paddle_report_csv	R	CSV download URL

Simulations (3)

Tool	R/W	Description
paddle_simulations	R	List simulations
paddle_create_simulation	W	Create simulation
paddle_run_simulation	W+C	Execute simulation (confirm required)

R/W legend: R = read, W = write (PADDLE_WRITE_ENABLED=true), W+C = write + confirm (confirm=true)

Development

make install-dev    # Install with dev + test dependencies
make test           # Run tests
make check          # Lint + format check + type check
make run            # Run server (stdio)

Sidereal integration

This MCP implements the billing-v1 service contract with full conformance (6/6 required, 8/8 recommended, 6/6 optional operations). Registered in the Sidereal Plugin Registry as a certified plugin.

Licence

MIT