{"jsonrpc":"2.0","result":{"tools":[{"name":"simpson_product_lookup","description":"Search the complete Simpson Strong-Tie catalog (35+ product families, 400+ models). Filter by query, category, application, SDC rating, finish, or minimum load capacity. Returns full product specs, load tables, fastener requirements, code references, and ESR reports.","inputSchema":{"type":"object","properties":{"query":{"type":"string","description":"Search by model number, product name, description, lumber size, or code section"},"category":{"type":"string","enum":["joist_hangers","hurricane_ties","straps","post_bases","angles","holdowns","shearwalls","anchors","fasteners","truss_connectors","deck_connectors","ridge_connectors","concealed","outdoor"],"description":"Filter by product category"},"application":{"type":"string","enum":["roof","truss","wall","floor","foundation","deck","shearwall","seismic","beam","continuous_load_path","retrofit","commercial","hurricane","glulam"],"description":"Filter by construction application"},"sdc_rating":{"type":"string","enum":["A","B","C","D","E","F"],"description":"Minimum Seismic Design Category rating"},"finish":{"type":"string","description":"Filter by finish: G90, ZMAX, HDG, SS"},"min_load":{"type":"number","description":"Minimum load capacity in lbs"},"load_type":{"type":"string","description":"Load type to filter by: F_down, tension, shear, uplift, lateral, shear_seismic"}}}},{"name":"simpson_check_load","description":"Verify a Simpson connector meets your required load. Returns demand/capacity ratio, pass/fail verdict, reserve capacity, and upgrade recommendations if undersized. All loads ASD per C-C-2024.","inputSchema":{"type":"object","properties":{"product_id":{"type":"string","description":"Product ID (e.g. LUS, HUS, HDU, SSW, SSTB)"},"model_variant":{"type":"string","description":"Specific model (e.g. LUS28, HDU5, SSW18X7)"},"required_load_lbs":{"type":"number","description":"Your design load in lbs (ASD)"},"load_type":{"type":"string","description":"Load direction: F_down, F_up, tension, shear, uplift, lateral, shear_seismic"},"load_duration":{"type":"string","enum":["normal","snow","roof","wind_seismic"],"description":"Load duration for CD factor"}},"required":["product_id","required_load_lbs"]}},{"name":"simpson_size_holdown","description":"Size a Simpson holdown for your required uplift force. Returns ranked recommendations (HDU, HDUE, HHDQ, PHD, STHD) with capacity, D/C ratio, deflection, and fastener specs.","inputSchema":{"type":"object","properties":{"required_uplift_lbs":{"type":"number","description":"Required uplift force in lbs"},"load_condition":{"type":"string","enum":["normal","wind_seismic"],"description":"Loading condition"},"stud_type":{"type":"string","enum":["single","double"],"description":"Single or double stud"},"sdc":{"type":"string","enum":["A","B","C","D","E","F"],"description":"Seismic Design Category"}},"required":["required_uplift_lbs"]}},{"name":"simpson_select_hurricane_tie","description":"Select a Simpson hurricane tie based on uplift and lateral requirements. Returns matched ties (H1, H2.5A, H10) with capacities for DF/SP or SPF/HF lumber.","inputSchema":{"type":"object","properties":{"required_uplift_lbs":{"type":"number","description":"Required uplift resistance in lbs"},"required_lateral_lbs":{"type":"number","description":"Required lateral resistance in lbs"},"lumber_species":{"type":"string","enum":["df_sp","spf_hf"],"description":"Lumber species group","default":"df_sp"}}}},{"name":"simpson_classify_sdc","description":"Classify Seismic Design Category per ASCE 7-22 from site parameters. Returns SDC A-F, site coefficients Fa/Fv, SDS/SD1, and which Simpson products are rated for that category.","inputSchema":{"type":"object","properties":{"site_class":{"type":"string","enum":["A","B","C","D","E"],"description":"ASCE 7-22 site class (A=hard rock to E=soft clay)","default":"D"},"Ss":{"type":"number","description":"Mapped spectral acceleration at short period (g) from USGS"},"S1":{"type":"number","description":"Mapped spectral acceleration at 1-sec period (g) from USGS"},"risk_category":{"type":"string","enum":["I","II","III","IV"],"description":"Risk category per ASCE 7-22","default":"II"}},"required":["Ss","S1"]}},{"name":"simpson_corrosion_advisor","description":"Get coating/finish recommendation based on environment and lumber treatment. Returns required finish (G90/ZMAX/HDG/SS) with treated lumber compatibility rules.","inputSchema":{"type":"object","properties":{"environment":{"type":"string","description":"Exposure: interior, exterior, marine, coastal, industrial, severe"},"lumber_treatment":{"type":"string","description":"Preservative treatment: ACQ, CA-C, CCA, MCA, borate, fire-retardant, untreated"},"exposure":{"type":"string","description":"Additional exposure detail"}}}},{"name":"simpson_products_by_application","description":"Get all Simpson products for a specific construction application (roof, truss, wall, floor, foundation, deck, shearwall, seismic, beam, etc.).","inputSchema":{"type":"object","properties":{"application":{"type":"string","enum":["roof","truss","wall","floor","foundation","deck","shearwall","seismic","beam","continuous_load_path","retrofit","commercial","hurricane","glulam"],"description":"Construction application"}},"required":["application"]}},{"name":"simpson_code_reference","description":"Look up which Simpson products are referenced by a specific building code section (IBC, IRC, ASCE 7, NDS, SDPWS, FBC, TPI).","inputSchema":{"type":"object","properties":{"code_section":{"type":"string","description":"Code section to look up (e.g. \"R502.6\", \"2305.3\", \"R802.11\")"}},"required":["code_section"]}},{"name":"simpson_catalog_stats","description":"Get summary statistics of the Simpson Strong-Tie catalog: product counts, categories, code coverage, ASD methodology, load duration factors, LRFD multipliers.","inputSchema":{"type":"object","properties":{}}}],"protocol":"JSON-RPC 2.0","transport":"HTTP POST","endpoint":"/mcp","methods":["tools/list","tools/call"],"payment":"x402 — tool calls require USDC payment; this listing is free"}}