MCP server

Ampworth Official

com.ampworth/ampworth

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

UK solar PV and heat pump calculators, with guides, on one server. Follows the MCS methods. No key.

Working at last checkVerified publisher: ampworth.comAbout 11,781 tokens per request once connected15 tools

Website

https://ampworth.com/mcp

At a glance

Type: MCP server
Publisher: ampworth.com (verified by the MCP Registry)
Status: Working at last check
Tools: 15
Token cost: About 11,781 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http ampworth https://ampworth.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.ampworth]
url = "https://ampworth.com/mcp"

Gemini CLI

{"mcpServers":{"ampworth":{"httpUrl":"https://ampworth.com/mcp"}}}

Cursor

{"mcpServers":{"ampworth":{"url":"https://ampworth.com/mcp"}}}

VS Code

{"servers":{"ampworth":{"type":"http","url":"https://ampworth.com/mcp"}}}

Antigravity

agy mcp add ampworth https://ampworth.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"ampworth","server_url":"https://ampworth.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"ampworth","server_url":"https://ampworth.com/mcp"}

Tools

connection_route ~1260 tokens
Work out which ENA connection procedure a domestic installation of solar panels, batteries or both falls under: connect first and notify the distribution network operator within 28 days, or apply and wait for approval before anything is connected. The rules are the ENA's engineering recommendations
get_document ~211 tokens
Fetch the full text of one guide, article or set of questions by its slug, as Markdown, not HTML. Slugs come from search_documents or list_documents. The answer carries the MCS documents the text draws on, and the ids of any calculators on this site that do the arithmetic the text describes. Where
heat_pump_noise ~959 tokens
Calculate the sound pressure level an air source heat pump produces at an assessment position, and whether it meets the 37 dB(A) permitted development noise limit, using the method in MCS 020. The formula is Lp = Lw + 10 log(Q / 4.pi.r^2) - Ab. Lw is the A-weighted sound POWER level of the unit fr
heat_pump_running_cost ~927 tokens
Compare what a household spends heating on its current fuel with what the same heat would cost from a heat pump. The heat demand is worked out from the household's own metered fuel use, not from a model, because a year of bills describes a particular house far better than any estimate of it. Supply
heat_pump_size ~1575 tokens
Estimate the heat pump a UK house needs, and what it would cost to run against the fuel it burns now. IMPORTANT: MIS 3005-D requires a heat pump to be sized from a room-by-room heat loss calculation to BS EN 12831, and nothing here replaces that. Say so whenever you report a result from this, and p
hot_water_cylinder ~678 tokens
Work out the daily hot water demand of a dwelling and the size of cylinder a heat pump needs, using the formula in MIS 3005-D 3.5.2 and the BS 6700 guidance reproduced in MGD 007. The demand is 45 litres a day for each of N, where N is the greater of the number of bedrooms plus one and the number o
list_calculators ~206 tokens
Lists every calculator on this server, with the standard behind it and whether it is the whole-system sizing calculator or one of the single-method ones, plus the reference data a caller needs to build a valid request: the compass directions and their orientations, the shading descriptions, the twen
list_documents ~420 tokens
Lists every document, optionally filtered by kind ('guide', 'article' or 'faq'), by category, or, for guides, by the reader they are written for. Guides are shelved by perspective: 'considering', 'buying', 'selling', 'installing' and 'learning'. The first four are plain language and name no standard
radiator_flow_temperature ~691 tokens
Work out the flow temperature a heat pump must produce to heat a room through a given radiator, and the resulting MCS Heat Emitter Guide star rating, following section 4 of MGD 007. This is the calculation that decides whether a heat pump will be cheap or expensive to run. A heat pump's efficiency
room_heat_loss ~1223 tokens
Calculate the design heat loss of a single room in watts, following BS EN 12831 as MIS 3005-D applies it. This is the figure a heat pump is sized from and the figure the radiator in that room must be able to deliver. BS EN 12831 is a room-by-room method. Run this once for each heated room and add t
search_documents ~365 tokens
Search the guides, articles and questions for material on a UK home energy subject. Use this first, before answering from memory, whenever a question concerns UK heat pump or solar PV practice: how a system is sized, what a standard requires, what a quotation should contain, what needs planning per
solar_pv_output ~670 tokens
Estimate the annual AC electricity output of a UK solar photovoltaic system, in kWh, using the standard estimation method that MIS 3002 requires every MCS certified installer to use. The method is: annual output = kWp x Kk x SF, where Kk is read from the MCS irradiance dataset for the site's postco
solar_pv_self_consumption ~760 tokens
Estimate what proportion of a domestic solar PV system's annual output is consumed in the house and what proportion is exported, using the lookup tables in MGD 003. The tables are not a model. They come from half-hourly monitoring of real British households by Loughborough University, with battery
solar_pv_shading ~579 tokens
Convert a completed MCS sunpath shading assessment into a shade factor, using the procedure in MGD 005. The MCS sunpath chart is divided into 84 segments, each worth one per cent of the year's useful irradiance. An assessor stands at the middle of where the array will go, plots what blocks the hori
solar_pv_system_size ~1257 tokens
Work out the solar PV system a UK home needs: the capacity in kWp, the number of panels, the battery to go with it, and what it would do to the electricity bill. This runs the MCS arithmetic backwards. The other solar calculators here each answer one question about a system somebody has already spe

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