{"uid":"cap_X_6-88rfHEGnNzWoNXHnn","slug":"three-ws-mcp-tool-catalog-discovery-4dc58cd5","name":"three.ws MCP Tool Catalog Discovery","description":"Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.","url":"https://three.ws/api/x402/mcp-tool-catalog?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"mode":{"enum":["discover","sync","list"],"type":"string","default":"discover","description":"\"discover\" / \"sync\" (default \"discover\") diffs the live catalog against the durable registry and persists the new state. \"list\" returns the live catalog snapshot only (no diff, no persistence). \"sync\" is an alias for \"discover\"."}}},"responseSchema":{"type":"json","example":{"ok":true,"ts":"2026-06-27T10:00:00.000Z","mode":"discover","new_tools":[{"name":"segment_model","priced":true,"price_usdc":0.02,"description":"Split a mesh into named parts","input_fields":2}],"free_tools":13,"total_tools":24,"priced_tools":11,"changed_tools":[{"name":"render_avatar","change":"price","price_usdc":0.005,"prev_price_usdc":0.003}],"removed_tools":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zoLvwIgqwDlhnsLGByzIO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Discovers, syncs, and lists the live catalog of MCP tools available on the three.ws 3D agent platform, diffing against the durable registry and persisting changes.","exampleAgentPrompt":"Check the three.ws MCP tool catalog in discover mode so we get a full diff of what's new, changed, or removed compared to the saved registry.","exampleUseCases":[{"title":"Detecting newly released 3D tools","prompt":"Run a discover sync on the three.ws tool catalog and tell me which new MCP tools have been added since the last check, including their prices."},{"title":"Monitoring price changes on paid tools","prompt":"Pull the latest three.ws MCP tool catalog snapshot and show me any tools whose prices have changed since we last synced."},{"title":"Read-only catalog snapshot for planning","prompt":"Give me a live list of all available three.ws MCP tools without saving anything — I just want to see what's currently available and how many are free vs paid."}],"resultDescription":"Returns a JSON object with ok status, timestamp, mode used, arrays of new/changed/removed tools (with names, prices, and descriptions), plus summary counts of free, priced, and total tools in the catalog.","failureModes":["Invalid mode value returns validation error","Payment of 0.001 USDC not received causes 402 response","Registry persistence failure may cause sync to report success but not save state","Catalog service temporarily unavailable returns 5xx error","Stale catalog data if upstream three.ws tool registry has not refreshed"],"whenToPreferThis":"Use this endpoint when you need to keep an agent's local tool registry in sync with the live three.ws MCP tool catalog, detect new or repriced tools automatically, or get a point-in-time snapshot of what 3D agent capabilities are available. Prefer 'list' mode for read-only inspection without side effects; use 'discover' or 'sync' when you want persistent state updates. Ideal for agents that orchestrate or resell three.ws capabilities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:48:18.294Z","isFirstParty":false,"canonicalSlug":"three-ws-mcp-tool-catalog-discovery-4dc58cd5"}