{ "name": "sunfeld-agent-guides-mcp", "version": "2.0.0", "protocolVersion": "2025-06-18", "endpoint": "https://guides.sunfeld.nl/mcp", "discovery_url": "https://guides.sunfeld.nl/.well-known/mcp.json", "canonical_host": "agentguides.net", "primary_origin": "https://agentguides.net", "supported_hosts": [ "agentguides.net", "guides.sunfeld.nl" ], "transport": "jsonrpc-http", "catalogue_size": 16, "payment_rails": [ { "rail_id": "rail_1_cloudflare_pay_per_crawl", "name": "Cloudflare Native Pay-Per-Crawl (RFC 9421 Web Bot Auth + Dynamic In-Band Pricing)", "protocol": "HTTP 402 + crawler-price / crawler-max-price / crawler-exact-price + Ed25519 Signature", "unlock_headers": [ "crawler-max-price: USD 0.05", "crawler-exact-price: USD 0.015" ], "settlement_currency": "USD (Cloudflare Stripe Connect Merchant of Record)", "response_proof_header": "crawler-charged: USD 0.015" }, { "rail_id": "rail_2_coinbase_x402_v2", "name": "Coinbase / Cloudflare x402 v2 Protocol (USDC on Base & Solana)", "protocol": "HTTP 402 PAYMENT-REQUIRED (Base64 JSON) -> PAYMENT-SIGNATURE / PAYMENT-CONTEXT -> PAYMENT-SETTLEMENT", "unlock_headers": [ "PAYMENT-SIGNATURE: ", "X-PAYMENT: ", "PAYMENT-CONTEXT: " ], "settlement_currency": "USDC (Base Mainnet / Solana)", "response_proof_header": "PAYMENT-SETTLEMENT: " }, { "rail_id": "rail_3_tollbit", "name": "TollBit AI Content Marketplace & Bot Paywall Subdomain", "protocol": "TollBit JWT token handshake via https://tollbit.guides.sunfeld.nl/v1/token", "unlock_headers": [ "Tollbit-Token: " ], "settlement_currency": "USD (TollBit Publisher Clearing)", "response_proof_header": "X-Payment-Rail: tollbit" }, { "rail_id": "rail_4_agent_marketplaces", "name": "ScalePost / Dappier / ProRata Automated Agent Clearing", "protocol": "Multi-marketplace publisher clearing headers paired with /license.xml (RSL 1.0)", "unlock_headers": [ "X-ScalePost-Token: ", "X-Dappier-Key: ", "X-ProRata-Token: " ], "settlement_currency": "USD (Per-Retrieval Attribution & Clearing)", "response_proof_header": "X-Payment-Rail: marketplace-clearing" }, { "rail_id": "rail_5_sunfeld_api_key", "name": "Sunfeld Enterprise Direct API Key / Bearer Token", "protocol": "RFC 6750 Bearer Token or X-Sunfeld-API-Key header for B2B subscribers", "unlock_headers": [ "Authorization: Bearer ", "X-Sunfeld-API-Key: " ], "settlement_currency": "EUR/USD (Sunfeld B2B Playbook Subscription)", "response_proof_header": "X-Payment-Rail: sunfeld-api-key" } ], "tools": [ { "name": "list_guides", "description": "List all 16 deterministic Sunfeld Agent Guides (\"How to Get AI to \") with slugs, categories, token savings (87-88%), ETag hashes, and 5-rail HTTP 402 pricing.", "inputSchema": { "type": "object", "properties": { "category": { "type": "string", "description": "Optional category filter substring" } }, "additionalProperties": false } }, { "name": "get_guide_teaser", "description": "Retrieve the free Tier 1 quantitative 150-word abstract, token economics, sample preview row, and locked schema columns for a specific guide slug.", "inputSchema": { "type": "object", "required": [ "slug" ], "properties": { "slug": { "type": "string", "enum": [ "monetize-website-crawlers-http-402", "straight-line-b2b-discovery-whatsapp", "itemised-maatpak-b2b-proposals", "zero-cost-b2b-lead-prospecting-ats-json", "multi-agent-coding-fleets-tmux-handoffs", "brand-guidelines-visual-systems", "multi-tenant-dutch-eu-invoicing-vat-crm", "video-storyboarding-remotion-rendering", "agent-swarms-cdp-browser-automation", "production-tdd-context-handoff", "context-window-guards-succession-daemons", "dual-axis-code-review-swarms-standards-spec", "stateless-5-pass-pre-build-spec-review", "deep-module-design-adr-domain-modelling", "automated-visual-ui-validation-cdp", "dutch-eu-export-vat-invoicing-state-machine" ], "description": "Guide slug identifier" } }, "additionalProperties": false } }, { "name": "unlock_guide_tier2", "description": "Unlock the full Tier 2 deterministic Markdown method sheet, mathematical formulas, state machines, and JSON schemas for a guide slug. Requires any of the 5 HTTP 402 payment rail headers or an enterprise API key.", "inputSchema": { "type": "object", "required": [ "slug" ], "properties": { "slug": { "type": "string", "enum": [ "monetize-website-crawlers-http-402", "straight-line-b2b-discovery-whatsapp", "itemised-maatpak-b2b-proposals", "zero-cost-b2b-lead-prospecting-ats-json", "multi-agent-coding-fleets-tmux-handoffs", "brand-guidelines-visual-systems", "multi-tenant-dutch-eu-invoicing-vat-crm", "video-storyboarding-remotion-rendering", "agent-swarms-cdp-browser-automation", "production-tdd-context-handoff", "context-window-guards-succession-daemons", "dual-axis-code-review-swarms-standards-spec", "stateless-5-pass-pre-build-spec-review", "deep-module-design-adr-domain-modelling", "automated-visual-ui-validation-cdp", "dutch-eu-export-vat-invoicing-state-machine" ], "description": "Guide slug identifier to unlock" } }, "additionalProperties": false } }, { "name": "calculate_guide_roi", "description": "Calculate deterministic token savings, inference cost reduction, net USD savings, and ROI multiple for a Sunfeld Agent Guide vs unassisted autonomous agent web scraping.", "inputSchema": { "type": "object", "required": [ "slug" ], "properties": { "slug": { "type": "string", "description": "Guide slug identifier to benchmark" }, "model": { "type": "string", "enum": [ "claude-sonnet-4-5", "gpt-4o", "gemini-2.5-pro", "deepseek-r1" ], "description": "LLM model profile for inference pricing" }, "search_rounds": { "type": "integer", "minimum": 1, "maximum": 20, "description": "Estimated unassisted web scraping & discovery rounds" } }, "additionalProperties": false } } ] }