feat(services): add markdown.page

[yuvadm]

Motivation

• Service name: markdown.page
• Live service URL: https://markdown.page
• Provider URL: https://magicmonad.com
• OpenAPI or API reference URL: https://markdown.page/openapi.json

markdown.page publishes Markdown to permanent public URLs without an account or API key. It serves HTML to browsers and Markdown-compatible plain text to command-line tools and agents. The service also lets agents purchase reviewed featured placements through MPP.

Summary

• The service is live and accepts MPP payments.
• This PR adds or updates its entry in schemas/services.ts.
• Listed endpoints, prices, and payment methods match the live service.
• Public documentation and icon URLs are stable and accessible.
• pnpm generate:discovery succeeds.
• pnpm check:types passes.
• pnpm build succeeds.

Key design considerations

• Integration: First-party. markdown.page exposes and operates the MPP endpoints directly.
• Payment methods and intents: Tempo charge payments in USDC.e on Tempo mainnet. Featured placements cost $9 for 7 days, $29 for 30 days, or $79 for 90 days.
• Provider relationship: markdown.page is operated by Magic Monad, LLC. The submitter is a member of the Magic Monad GitHub organization.
• Directory fit: markdown.page is a live, production-ready Markdown publishing service with content negotiation, OpenAPI and llms.txt discovery, and a public MCP server. Its paid API is distinct: agents can purchase human-reviewed featured placements through native MPP payment Challenges.

Verification

Unpaid requests to each listed paid endpoint returned 402 Payment Required with a WWW-Authenticate: Payment Challenge. The live Challenges advertised:

• method: tempo
• intent: charge
• chain ID: 4217
• currency: USDC.e (0x20c000000000000000000000b9537d11c60e8b50)
• amounts: 9000000, 29000000, and 79000000 base units
• realm: markdown.page

Additional checks:

• pnpm test — 9,900 tests passed
• pnpm check:ci — passed
• pnpm check:types — passed
• pnpm build — passed

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[github-actions]

🔀 Changed Services

✅ Added

• markdown-page