{"name":"3D Asset Library","description":"MCP server for AI agents building 3D assets in Blender. Free beta — evaluation use. Historical measurements and limitations: https://mcp.sgtfleet.com/benchmarks.md and https://mcp.sgtfleet.com/benchmarks.json","plans":"Free (forever): chair, table and bicycle; 3 build attempts per UTC day; GLB. 14-day trial: automatic on signup, no card; all 972 permitted families; 25 build attempts per UTC day; GLB and FBX. Then the key falls back to the Free plan; nothing is deleted. Free and trial previews stay watermarked. Evaluation licence: draft, not reviewed by counsel. One trial per email address. Premium, coming soon: higher limits, no watermark, commercial licence once reviewed. Tell us what you would build at /#waitlist (Premium interest). No prices announced.","usage_fields":"usage returns plan (free, trial or pro), trial_ends_utc (ISO UTC or null), trial_days_left (remaining partial days rounded up), builds_per_day, seconds_per_day, formats, builds_remaining, blender_seconds, seconds_reserved, rpm and concurrency. Failed build/vary attempts count. Limits: 30 calls/minute, one operation at a time, 600 execution seconds/call. Free: 1800 execution seconds/day; trial: 15000; Pro: 36000. Pro is operator-issued only; no public promotion route.","endpoint":"https://mcp.sgtfleet.com/mcp","transport":"streamable-http","auth":{"scheme":"bearer","signup_url":"https://mcp.sgtfleet.com/#trial"},"tools":[{"name":"search","description":"Rank permitted families by keywords and schema-default dimension filters."},{"name":"suggest","description":"Suggest families and schema-backed parameters without building."},{"name":"list_families","description":"List families available to this account."},{"name":"get_schema","description":"Read a source-matched family schema."},{"name":"get_skill","description":"Read a family skill card."},{"name":"list_presets","description":"Read named family presets."},{"name":"validate","description":"Validate parameters through bounded Blender execution."},{"name":"build","description":"Build one owned GLB and watermarked trial preview."},{"name":"vary","description":"Build one variation of a named preset."},{"name":"check","description":"Check an owned asset's delivery hashes and recorded audit; no new geometry check."},{"name":"export","description":"Get an owned GLB URL; FBX requires an active trial or operator-issued Pro account."},{"name":"usage","description":"Read plan, trial_ends_utc, trial_days_left, quotas and remaining usage."}],"benchmarks":{"data":"https://mcp.sgtfleet.com/benchmarks.json","method":"https://mcp.sgtfleet.com/benchmarks.md"},"documentation":"https://mcp.sgtfleet.com/llms-full.txt","catalog":"https://mcp.sgtfleet.com/catalog.json"}