{
  "markdown": "# muni-dev-cost 🏗️\n\n**What will the city and utility charge me to build here?**\n\n`muni-dev-cost` is an MCP server (and a pay-per-call x402 API) that gives an AI\nagent the **municipal development cost** for a US jurisdiction — the\nimpact/development fees, water & sewer **tap (connection) fees** and\n**capital-recovery charges** a real-estate developer must pay before breaking\nground — **aggregated and normalized** from public, government-published fee\nschedules into one comparable number.\n\nFor a real-estate development-feasibility / pro-forma agent, this number is\nload-bearing and, today, costs **weeks of manual digging** across municipal\nordinances, utility fee schedules and county portals. We do the aggregation so\nyour agent doesn't have to.\n\n```jsonc\n// add to your MCP client config\n{ \"mcpServers\": { \"muni-dev-cost\": { \"command\": \"npx\", \"args\": [\"-y\", \"muni-dev-cost-mcp\"] } } }\n```\n\n## Tools\n\n| Tool | Tier | What you get |\n|---|---|---|\n| `get_dev_costs` | **Free** | The aggregated municipal development cost for a jurisdiction (single-family home), split into water+sewer vs other impact, with a per-fee summary and an honest coverage label. |\n| `get_fee_breakdown` | Premium | Every fee line by line, grouped (Water / Sewer / Transportation / Parks / Drainage), with the **per-meter-size schedule** and each source + effective date. |\n| `compare_jurisdictions` | Premium | Rank 2–12 markets side by side for **site selection** — total, water+sewer split, the dollar/% spread and what it costs on a 100-unit project. |\n| `get_water_sewer_detail` | Premium | Water & sewer connection cost **by meter size** (5/8\" → 12\") — the single biggest swing in a utility connection budget. |\n| `estimate_dev_cost` | Premium | Whole-project fees (fees × units) with per-unit and extended line items, dev-type aware, explicit about exclusions. |\n| `list_jurisdictions` | Premium | The full **coverage map** — every jurisdiction, its depth and data freshness, which publish a per-meter schedule, plus the benchmark states. |\n| `get_fee_schedule_source` | Premium | The published **source document + per-fee provenance** (published vs estimated) behind a jurisdiction's number — defensible *trazabilidad* for a pro-forma. |\n| `get_cost_trend` | Premium | The **real dated revision history** of a jurisdiction's headline fee (prior years + adopted future steps) with YoY delta and CAGR — never a projection. |\n| `compare_by_meter_size` | Premium | One jurisdiction's water/sewer cost across **every published meter size**, ratioed to the 5/8\" residential base. |\n| `estimate_by_units` | Premium | **Multifamily/mixed** fee estimate by LUE (units × LUE-per-unit) — the way cities actually bill MF, so it doesn't overstate fees. |\n| `get_total_dev_cost` | Premium | The **grand total across every fee category** (water/sewer, transportation, parks, drainage, public-safety, other), bucketed — with honest $0 buckets where a city simply doesn't charge that category. |\n| `breakdown_by_fee_category` | Premium | Every line item within **one** category (e.g. all of a city's parks fees) with per-meter detail — errors honestly if the city doesn't levy that category. |\n| `rank_jurisdictions_by_cost` | Premium | Rank the **entire covered KB** cheapest→priciest by water+sewer or total, with cheapest/median/priciest, the spread, and a site-selection insight — filterable by state/coverage. |\n| `summarize_by_state` | Premium | A **state-level roll-up** over the whole KB: per state, the city count, min/median/max cost, cheapest/priciest city, and which fee categories are assessed — the map for \"which states are cheap/expensive to build in.\" |\n\n> **1 free + 13 premium tools.** The free `get_dev_costs` is the hook; the 13 premium tools are the depth a feasibility agent can't assemble itself.\n\n### Example (free)\n\n```\nPOST https://muni-dev-cost-mcp.vercel.app/dev-costs\n{ \"jurisdiction\": \"Phoenix, AZ\" }\n```\n\n```\n🏗️  Phoenix, AZ  ·  coverage 🟢 deep\n   Municipal development cost, single-family home: $29,322\n     • Water + sewer (impact + tap): $29,322\n   Fees included (one line each):\n     • Wastewater Collection impact fee: $5,127  (per dwelling)\n     • Wastewater Treatment impact fee: $3,753  (per dwelling)\n     • Water Transmission impact fee: $14,046  (per dwelling)\n     • Water Treatment impact fee: $4,387  (per dwelling)\n     • Water Resource Acquisition fee: $2,009  (per dwelling)\n```\n\n## Coverage (honest — *regla 7*)\n\nWe never pass off an estimate as a city's published number.\n\n- 🟢 **deep** — the city's own water/sewer fee schedule was ingested, including\n  the per-meter table. Figures are `published`.\n- 🟡 **partial** — headline impact figures from public schedules; some categories\n  estimated.\n- 🟠 **estimated** — the exact city isn't in our deep KB yet, so figures are a\n  **regional benchmark**, clearly marked. Use as order-of-magnitude only.\n\n**Coverage today: 130 jurisdictions across 38 states — 109 deep (own\nper-meter/per-LUE schedule ingested) + 21 partial.** Dense in the\nhigh-growth markets a feasibility agent actually screens: TX (18), CO (18),\nFL (18), NC (16), CA (11), plus AZ, GA, WA, OR and more. From the cheapest\ncovered market (Mobile, AL ~$1,000) to the priciest (Erie, CO ~$78,350),\nranked and queryable. Any US city not yet ingested returns an honest state\nbenchmark estimate — and the deep KB grows every iteration.\n\nAll fee data is sourced from **public, government-published** fee schedules\n(works of US municipal government → public domain). Each jurisdiction carries its\nsource URL and effective date. **Indicative — verify the exact amount with the\njurisdiction.** Not legal or fee-certification advice.\n\n## Two ways to pay for the premium tools\n\n- 💳 **Card (Stripe)** — buy a prepaid API key at `/pro/checkout`, then set\n  `\"env\": { \"MUNI_DEV_COST_KEY\": \"<key>\" }`.\n- 🪙 **x402 (USDC on Base)** — AI agents pay per call automatically; no signup.\n\nThe free `get_dev_costs` works with no key.\n\n## How it stays a moat\n\nThe aggregation engine, the normalized fee knowledge base and the accumulating\nper-jurisdiction cache run **server-side**. The npm package is a **thin client**:\nit forwards your call to the hosted server and renders the response. The fee data\nand the premium logic never ship in the tarball — a moat verified on every build\nby `npm run test:moat`.\n\n## License\n\nMIT. Source: https://github.com/Baneado98/muni-dev-cost\n",
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}