docs: add guide for accepting card payments via Stripe

[brendanjryan]

Adds a new guide under Guides > Advanced for accepting card payments via Stripe.

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Project	Deployment	Actions	Updated (UTC)
mpp	Ready	Preview, Comment	Apr 16, 2026 3:57pm

[chatgpt-codex-connector]

💡 Codex Review

mpp/src/pages/guides/monetize-mcp-server.mdx

Line 74 in 6d68d87

```ts [server.ts]

Use twoslash in TypeScript code fences

This page introduces bare ts fences (starting here and repeated throughout), which skips snippet type-checking in docs. /workspace/mpp/AGENTS.md explicitly requires ts twoslash for TypeScript blocks; without it, API drift or signature mistakes in examples can ship unnoticed and readers can copy code that no longer compiles.

---

mpp/src/pages/guides/monetize-mcp-server.mdx

Line 184 in 6d68d87

$ echo '{"method":"tools/call","params":{"name":"search","arguments":{"query":"hello"}}}' | node server.ts

Send a valid JSON-RPC payload in the CLI test

The sample command pipes {"method":"tools/call", ...} to the MCP stdio server, but JSON-RPC tool calls need protocol fields like jsonrpc: "2.0" and an id (as shown in src/pages/protocol/transports/mcp.mdx). Without those fields, many implementations treat it as invalid or as a notification with no response, so users cannot reliably reproduce the paid-tool flow from this guide.

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