{"slug": "paid-mcp-is-still-an-overlay-not-a-core-mcp-feature", "title": "Paid MCP is still an overlay, not a core MCP feature", "summary": "Paid MCP remains a market category rather than a single standard because the Model Context Protocol specification defines how tools are described and invoked but does not specify settlement, according to zFinia's 7 September 2026 retrospective. Cloudflare's gateway, x402 challenge-handoff, and MPP each propose hanging payment on the same tool call, but until the MCP spec itself names a payment profile, paid MCP stays an overlay rather than a core feature.", "body_md": "TIER_A · unmet need\n\n# Paid MCP is still an overlay, not a core MCP feature\n\nMCP specifies how tools are described and invoked. It does not specify settlement. Cloudflare’s gateway, x402 challenge-handoff and MPP all propose to hang payment on the same tool call. Until the MCP spec itself names a payment profile, “paid MCP” remains a market category, not a single standard.\n\nEvent 1 July 2026 · source 1 July 2026 · zFinia published 7 September 2026 · retrospective\n\n## Why it matters\n\nThis is a high-intent buyer-hand-raise cluster: developers asking how to monetize MCP. Proven demand requires payments, not questions.", "url": "https://wpnews.pro/news/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature", "canonical_source": "https://www.zfinia.com/archive/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature", "published_at": "2026-09-07 00:00:00+00:00", "updated_at": "2026-09-23 05:54:25.038456+00:00", "lang": "en", "topics": ["agent-protocols", "ai-agents", "ai-infrastructure", "developer-tools"], "entities": ["Model Context Protocol", "Cloudflare", "x402", "MPP", "zFinia"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature", "markdown": "https://wpnews.pro/news/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature.md", "text": "https://wpnews.pro/news/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature.txt", "jsonld": "https://wpnews.pro/news/paid-mcp-is-still-an-overlay-not-a-core-mcp-feature.jsonld"}}