Koskamo

CommercialBuses MCP

An official MCP server provided by CommercialBuses that allows AI agents to search for commercial buses, retrieve specific listing details, request dealer contact, check CDL requirements, analyze used bus prices, and draft board proposals for purchases.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

CommercialBuses MCP logo, by CommercialBusesVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-11-06Operated by CommercialBuses
MCP endpoint (Streamable HTTP)
https://commercialbuses.com/api/mcp
Vendor documentation

What its tools do

13 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (12)

Can change data (1)

13 of 13 have a description · 13 of 13 declare behavior hints · 6 of 11 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to commercialbuses.com ·
  • Passed Endpoint is on the registry namespace domain ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search for commercial buses by type, seats, and state
  • Retrieve specific bus listing details and availability
  • Check federal CDL requirements based on bus specs
  • Draft board proposals for bus purchases

Source and maintenance

Vendor evidenceRegistry 1.2.0
mcp-registry: com.commercialbuses/commercialbuses@1.2.0Project website

Protocol and capabilities

Server
commercialbuses 1.3.0
MCP protocol negotiated in check
2025-06-18
Tools
13 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {}
}

Tools

13 advertised

search_buses
Advertised by the server during the last successful anonymous check.
Advertised read-only

Search the commercial buses currently listed for sale by participating dealers. Filter by bus type, seats, wheelchair lift, condition and state. Returns public listing summaries with a link to each listing page. Dealer names and exact prices are not public; to reach the dealer, use request_bus.

search_buses input schema
{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 25,
      "minimum": 1,
      "description": "Default 10."
    },
    "query": {
      "type": "string",
      "description": "Free text matched against the title, e.g. 'Ford E-450'."
    },
    "state": {
      "type": "string",
      "description": "Two-letter US state where the bus is, e.g. TX."
    },
    "bus_type": {
      "type": "string",
      "description": "A category slug from list_bus_categories, e.g. cutaway-bus, school-bus, motorcoach."
    },
    "condition": {
      "enum": [
        "new",
        "used"
      ],
      "type": "string"
    },
    "min_seats": {
      "type": "integer",
      "minimum": 1,
      "description": "Smallest passenger count that works."
    },
    "wheelchair_lift": {
      "type": "boolean",
      "description": "true to show only units with a lift or ramp."
    }
  },
  "additionalProperties": false
}
search_buses annotations
{
  "title": "Search buses for sale",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
get_bus
Advertised by the server during the last successful anonymous check.
Advertised read-only

One listed bus in full public detail, by its listing URL or slug, plus how to ask about it. Says plainly when the unit is no longer listed.

get_bus input schema
{
  "type": "object",
  "required": [
    "listing"
  ],
  "properties": {
    "listing": {
      "type": "string",
      "description": "The listing URL or slug from search_buses, e.g. 2019-ford-e450-shuttle-bus-ab12cd34ef56."
    }
  },
  "additionalProperties": false
}
get_bus annotations
{
  "title": "Get one listed bus",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
request_bus
Advertised by the server during the last successful anonymous check.
Open-world

Send a buyer's bus requirements to a CommercialBuses person, who searches participating dealer inventory and replies by email. Use only when the buyer has asked you to, with their real name and email: they will be contacted. Free for the buyer. Mention a specific listing in notes if they want that unit.

request_bus input schema
{
  "type": "object",
  "required": [
    "buyer_name",
    "buyer_email",
    "bus_types",
    "buyer_consented"
  ],
  "properties": {
    "city": {
      "type": "string",
      "description": "Where the buyer needs the bus."
    },
    "notes": {
      "type": "string",
      "description": "Anything else, including a listing URL they liked."
    },
    "state": {
      "type": "string",
      "description": "Two-letter US state."
    },
    "timeline": {
      "type": "string",
      "description": "When they need it, in their words."
    },
    "bus_types": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 1,
      "description": "One or more category slugs from list_bus_categories."
    },
    "condition": {
      "enum": [
        "new",
        "used",
        "either"
      ],
      "type": "string"
    },
    "min_seats": {
      "type": "integer",
      "minimum": 1
    },
    "buyer_name": {
      "type": "string",
      "minLength": 1
    },
    "buyer_email": {
      "type": "string",
      "format": "email"
    },
    "buyer_phone": {
      "type": "string"
    },
    "organization": {
      "type": "string",
      "description": "Church, school, company or agency, if any."
    },
    "budget_max_usd": {
      "type": "integer",
      "minimum": 0
    },
    "buyer_consented": {
      "type": "boolean",
      "const": true,
      "description": "Must be true: the buyer asked for this request to be sent."
    },
    "wheelchair_lift": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}
request_bus annotations
{
  "title": "Ask a person to find this bus",
  "readOnlyHint": false,
  "openWorldHint": true,
  "idempotentHint": false,
  "destructiveHint": false
}
find_skoolie_bus
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Find a bus to convert into a skoolie (a school bus or shuttle turned into a camper or tiny home). Returns used school, activity, shuttle and cutaway buses listed by dealers here, live federal surplus auction lots, and ready-made searches on GovDeals, Public Surplus and Municibid filtered by distance and price, and category links into Skoolie Livin' Classifieds. Auction and classified results are links to those sites, not copies of their listings. Free, no account.

find_skoolie_bus input schema
{
  "type": "object",
  "properties": {
    "zip": {
      "type": "string",
      "pattern": "^\\d{5}$",
      "description": "US ZIP code to search around, e.g. 32801."
    },
    "limit": {
      "type": "integer",
      "maximum": 25,
      "minimum": 1,
      "description": "Default 10 per source."
    },
    "state": {
      "type": "string",
      "description": "Two-letter US state, used for dealer listings and federal lots, e.g. FL."
    },
    "radius_miles": {
      "type": "integer",
      "maximum": 1000,
      "minimum": 10,
      "description": "How far the buyer will travel. Default 250."
    },
    "max_price_usd": {
      "type": "integer",
      "minimum": 1,
      "description": "Budget ceiling in dollars, e.g. 5000."
    }
  },
  "additionalProperties": false
}
find_skoolie_bus annotations
{
  "title": "Find a skoolie bus",
  "readOnlyHint": true,
  "openWorldHint": true,
  "destructiveHint": false
}
check_cdl_requirement
Advertised by the server during the last successful anonymous check.
Advertised read-only

Whether a bus needs a commercial driver's license under US federal rules, which class (B or C), and which endorsements (passenger, school bus), from the passenger count, weight rating and whether it carries students. Returns a link to buses for sale in that size. Federal only; states can add rules.

check_cdl_requirement input schema
{
  "type": "object",
  "required": [
    "passengers"
  ],
  "properties": {
    "weight": {
      "enum": [
        "under_26001_lb",
        "26001_lb_or_more",
        "unknown"
      ],
      "type": "string",
      "description": "Gross vehicle weight rating, from the door-frame label. Default unknown."
    },
    "passengers": {
      "type": "integer",
      "maximum": 90,
      "minimum": 1,
      "description": "Passenger seats, not counting the driver. Count each wheelchair position."
    },
    "carries_students": {
      "type": "boolean",
      "description": "true if it will carry students to or from school or school events."
    }
  },
  "additionalProperties": false
}
check_cdl_requirement annotations
{
  "title": "Check the CDL requirement",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
get_used_bus_prices
Advertised by the server during the last successful anonymous check.
Advertised read-only

Median asking prices and mileage for used buses by model year, measured from current dealer listings on CommercialBuses, with the listing and dealer count behind every figure. Prices cover school, cutaway and paratransit buses; mileage also covers motorcoaches. Asking prices, not sale prices.

get_used_bus_prices input schema
{
  "type": "object",
  "properties": {
    "bus_type": {
      "enum": [
        "school-bus",
        "cutaway-bus",
        "paratransit-bus",
        "motorcoach",
        "type-a-school-bus",
        "activity-bus",
        "shuttle-bus",
        "transit-bus"
      ],
      "type": "string",
      "description": "Optional. Omit for every type with enough data."
    }
  },
  "additionalProperties": false
}
get_used_bus_prices annotations
{
  "title": "Used bus prices and mileage",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
draft_board_proposal
Advertised by the server during the last successful anonymous check.
Advertised read-only

Write a bus purchase proposal for a church, school, camp or senior living board: the need, the bus, why not a 15-passenger van, the driver and license plan, a five-year cost table from the buyer's own figures, funding to ask about, an inspection plan and a draft motion with a not-to-exceed amount. Returns Markdown. Invents no costs: blank figures are left out.

draft_board_proposal input schema
{
  "type": "object",
  "required": [
    "organization_type"
  ],
  "properties": {
    "bus": {
      "type": "string",
      "maxLength": 160,
      "description": "e.g. 2019 Ford E-450 shuttle bus"
    },
    "mpg": {
      "type": "number",
      "minimum": 0
    },
    "need": {
      "type": "string",
      "maxLength": 1000,
      "description": "Who rides, where, how often."
    },
    "signer": {
      "type": "string",
      "maxLength": 160,
      "description": "Name and title of who signs."
    },
    "price_usd": {
      "type": "integer",
      "minimum": 0
    },
    "passengers": {
      "type": "integer",
      "maximum": 90,
      "minimum": 1
    },
    "listing_url": {
      "type": "string",
      "description": "A commercialbuses.com listing URL, if the bus is listed here."
    },
    "organization": {
      "type": "string",
      "maxLength": 160
    },
    "miles_per_year": {
      "type": "number",
      "minimum": 0
    },
    "wheelchair_lift": {
      "type": "boolean"
    },
    "not_to_exceed_usd": {
      "type": "integer",
      "minimum": 0,
      "description": "The most the board authorizes. Defaults to the price."
    },
    "organization_type": {
      "enum": [
        "church",
        "school",
        "camp",
        "senior",
        "other"
      ],
      "type": "string"
    },
    "fuel_price_per_gallon": {
      "type": "number",
      "minimum": 0
    },
    "insurance_per_year_usd": {
      "type": "number",
      "minimum": 0
    },
    "maintenance_per_year_usd": {
      "type": "number",
      "minimum": 0
    }
  },
  "additionalProperties": false
}
draft_board_proposal annotations
{
  "title": "Draft a board proposal",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
compare_own_vs_outsource
Advertised by the server during the last successful anonymous check.
Advertised read-only

Yearly cost of owning a bus against charter, a contracted shuttle or rideshare, using only figures the caller supplies. Spreads the purchase over the years kept less resale, adds insurance, maintenance, fuel and driver pay, and names any owning cost left out so a partial answer says it is partial.

compare_own_vs_outsource input schema
{
  "type": "object",
  "properties": {
    "mpg": {
      "type": "number",
      "minimum": 0
    },
    "resale_usd": {
      "type": "number",
      "minimum": 0
    },
    "years_kept": {
      "type": "number",
      "minimum": 1
    },
    "alternatives": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "label",
          "unit",
          "rate_usd"
        ],
        "properties": {
          "unit": {
            "enum": [
              "trip",
              "month"
            ],
            "type": "string"
          },
          "label": {
            "type": "string",
            "maxLength": 60
          },
          "rate_usd": {
            "type": "number",
            "minimum": 0
          }
        },
        "additionalProperties": false
      },
      "maxItems": 5,
      "description": "Each quote to compare, e.g. a charter at $1,200 per trip or a shuttle contract at $4,000 per month."
    },
    "bus_price_usd": {
      "type": "number",
      "minimum": 0
    },
    "miles_per_year": {
      "type": "number",
      "minimum": 0
    },
    "trips_per_year": {
      "type": "number",
      "minimum": 0
    },
    "driver_hours_per_year": {
      "type": "number",
      "minimum": 0
    },
    "fuel_price_per_gallon": {
      "type": "number",
      "minimum": 0
    },
    "insurance_per_year_usd": {
      "type": "number",
      "minimum": 0
    },
    "driver_pay_per_hour_usd": {
      "type": "number",
      "minimum": 0
    },
    "maintenance_per_year_usd": {
      "type": "number",
      "minimum": 0
    }
  },
  "additionalProperties": false
}
compare_own_vs_outsource annotations
{
  "title": "Own a bus or outsource?",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
check_vehicle_rules
Advertised by the server during the last successful anonymous check.
Advertised read-only

The US federal rules and published guidance that apply to a church, school, camp, senior living community, medical transport (NEMT) operator or hotel buying a bus: CDL, the school bus rule for new vehicles, insurer guidance on 15-passenger vans, ADA accessibility for new vehicles, the hotel shuttle exception and USDOT number, insurance minimums, and Section 5310 funding. Each with its citation. Federal only.

check_vehicle_rules input schema
{
  "type": "object",
  "required": [
    "organization_type",
    "passengers"
  ],
  "properties": {
    "passengers": {
      "type": "integer",
      "maximum": 90,
      "minimum": 1,
      "description": "Passenger seats, not counting the driver."
    },
    "new_vehicle": {
      "type": "boolean",
      "description": "true if buying new. Several rules cover new vehicles only."
    },
    "carries_students": {
      "type": "boolean"
    },
    "organization_type": {
      "enum": [
        "church",
        "school",
        "camp",
        "senior",
        "nemt",
        "hotel",
        "other"
      ],
      "type": "string"
    },
    "weight_over_26000_lb": {
      "type": "boolean",
      "description": "Omit if unknown."
    }
  },
  "additionalProperties": false
}
check_vehicle_rules annotations
{
  "title": "Check the rules for a bus",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
list_bus_categories
Advertised by the server during the last successful anonymous check.
Advertised read-only

The commercial bus categories, each with what it actually is, typical passenger capacity, what operators use it for, and whether it needs a CDL endorsement.

list_bus_categories input schema
{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}
list_bus_categories annotations
{
  "title": "List bus categories",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
get_bus_category
Advertised by the server during the last successful anonymous check.
Advertised read-only

One bus category in full, by slug, including the related categories worth considering instead.

get_bus_category input schema
{
  "type": "object",
  "required": [
    "slug"
  ],
  "properties": {
    "slug": {
      "type": "string",
      "description": "e.g. school-bus, cutaway-bus, motorcoach"
    }
  },
  "additionalProperties": false
}
get_bus_category annotations
{
  "title": "Get one bus category",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
get_buying_context
Advertised by the server during the last successful anonymous check.
Advertised read-only

How sourcing works here, what capacity bands and fuel types mean in practice, and what the service does and does not do. Read this before telling a buyer what to expect.

get_buying_context input schema
{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}
get_buying_context annotations
{
  "title": "How buying works here",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}
answer_bus_question
Advertised by the server during the last successful anonymous check.
Advertised read-only

Answers to the questions people ask when buying a used or new commercial bus: CDL and licensing, federal school bus and accessibility rules, inspecting a used bus, title, registration and insurance, financing and grants, delivery, and buses for churches, schools, camps, senior living, NEMT, shuttles and skoolies. Returns the closest written answers with their official sources and a link to each on CommercialBuses. If nothing matches, says so and gives the page where a person can be asked.

answer_bus_question input schema
{
  "type": "object",
  "required": [
    "question"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 10,
      "minimum": 1,
      "description": "How many answers to return. Default 3."
    },
    "question": {
      "type": "string",
      "maxLength": 300,
      "minLength": 3,
      "description": "The buyer's question in their own words."
    }
  },
  "additionalProperties": false
}
answer_bus_question annotations
{
  "title": "Answer a bus buying question",
  "readOnlyHint": true,
  "openWorldHint": false,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (2 of 2 answered).

  1. 2026-11-06: 1 of 1 checks answered
  2. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
579 ms
95th percentile latency
579 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 579 ms · metadata changed · 13 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http commercialbuses-mcp https://commercialbuses.com/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add commercialbuses-mcp --url https://commercialbuses.com/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable commercialbuses-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "commercialbuses-mcp": {
      "url": "https://commercialbuses.com/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "commercialbuses-mcp": {
      "type": "streamableHttp",
      "url": "https://commercialbuses.com/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start commercialbuses-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "commercialbuses-mcp": {
      "type": "http",
      "url": "https://commercialbuses.com/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http commercialbuses-mcp https://commercialbuses.com/api/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://commercialbuses.com/api/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "commercialbuses-mcp": {
      "serverUrl": "https://commercialbuses.com/api/mcp"
    }
  }
}

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