igce-builder-lh-tmlisted

# IGCE Builder: Labor Hour & Time-and-Materials (LH/T&M) ## Overview This skill produces Independent Government Cost Estimates for Labor Hour and Time-and-Materials contracts. It uses a burden multiplier model: take the BLS base wage, multiply by a single factor that rolls up fringe, overhead, G&A, and profit into one number. This is the most common IGCE pricing approach for federal professional services. T&M adds a materials estimation step for non-labor costs reimbursed at cost. **LH vs. T&M:** The only structural difference is materials. LH contracts pay hourly rates for labor only. T&M contracts pay hourly rates for labor plus reimburse materials at cost (FAR 16.601(b)). Both use the same burden multiplier for the labor component. If the user says "IGCE" without specifying a contract type, default to LH unless they mention materials, supplies, licenses, cloud hosting, or similar non-labor costs, in which case default to T&M. **Required MCP servers:** 1. **bls-oews** -- market wage data by occupation and geography. Key tools: `get_wage_data`, `igce_wage_benchmark`, `list_common_metros`, `list_common_soc_codes`. 2. **gsa-calc** -- awarded GSA MAS ceiling hourly rates. Key tools: `suggest_contains`, `exact_search`, `keyword_search`, `igce_benchmark`, `price_reasonableness_check`. 3. **gsa-perdiem** -- federal CONUS travel lodging and M&IE. Key tools: `lookup_city_perdiem`, `estimate_travel_cost`, `get_mie_breakdown`. **Regulatory basis:** FAR 15.402 (cost/pricing data).