cheapest_slots
FREE. Cheapest 3 upcoming half-hour electricity slots (Agile Octopus, p/kWh inc VAT) for a UK postcode's region.
Parameters
postcoderequired
UK Electricity Price Slots MCP
io.github.donniertf-hubPublished by GitHub account donniertf-hubv1.0.0Updated Oct 29, 2026
Cheapest half-hour Agile electricity prices by UK postcode.
The publisher's own server: PriceWin
Overview
AI-generated overview
Remote MCP server giving UK Agile Octopus half-hourly electricity prices by postcode region, with one free tool and four paid ones.
- What you can do
- Look up the cheapest upcoming half-hour import slots for a UK postcode region (free tool)
- Find the cheapest continuous N-hour window with average price and cost for a given kWh amount
- List all published half-hourly import prices for today and tomorrow
- Check Agile Outgoing export rates to pick slots for selling solar or battery power
- Get daily average, minimum and maximum import prices over the last N days (up to 30)
- When to use it
- Useful when planning EV charging, heat-pump or battery runs, or comparing Agile tariff costs for a UK postcode region. The free tool alone is enough for a quick look at the next few cheap slots.
- Requirements
- A remote streamable HTTP endpoint; no local install, account or API key is needed for the free tool. The paid tools require a monthly subscription and an access token passed with requests.
Before you install
Only the cheapest-slots tool is free; the other four need a paid subscription, so expect recurring charges. Prices are Agile Octopus figures including VAT for a postcode region and are informational, not billing or tariff advice.
Installation
In SourceWeft
- Open UK Electricity Price Slots MCP in the dashboard and add it to a workspace.
- Enable the server for the chats that should use its tools.
Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.
Use with an agent
Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.
Read https://sourceweft.com/mcp/io.github.donniertf-hub%2Fuk-energy-prices-mcp/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.Other MCP clients
Add this to your client's mcpServers config.
{
"mcpServers": {
"uk-electricity-price-slots": {
"type": "http",
"url": "https://uk-energy-prices-mcp.donniertf.workers.dev/mcp"
}
}
}README
UK public data for agents
🆕 Subscriptions (free tier + monthly Pro, cancel anytime)
Subscribe at each page's /buy. Not a valuation; not legal or procurement advice.
Trading data (separate)
🇺🇸 US data MCPs (free tier + monthly Pro, USD)
20 remote MCP servers on official US government data. Each has a free tool (no key), Stripe monthly Pro, /llms.txt, /.well-known/mcp, /pricing.json, POST /checkout and GET /token?session_id=.
US bundles: one token unlocks every server in the bundle — https://us-mcp-bundles.donniertf.workers.dev
Agents: POST https://us-mcp-bundles.donniertf.workers.dev/checkout?bundle=<id> then GET /token?session_id=. See /llms.txt and /pricing.json.
🇨🇦 Canada data MCPs (free tier + monthly Pro, CAD)
20 remote MCP servers on official Canadian government data. Each has a free tool (no key), Stripe monthly Pro in CAD, /llms.txt, /.well-known/mcp, /pricing.json, POST /checkout and GET /token?session_id=.
Canada bundles: one token unlocks every server in the bundle — https://ca-mcp-bundles.donniertf.workers.dev
Agents: POST https://ca-mcp-bundles.donniertf.workers.dev/checkout?bundle=<id> then GET /token?session_id=. See /llms.txt and /pricing.json.
🇯🇵 Japan data MCPs (free tier + monthly Pro, JPY)
19 remote MCP servers on official Japanese public data (JMA, GSI, MoF, Ministry of the Environment, e-Gov, National Diet Library, NHK). English output with Japanese source names. Each has a free tool (no key), Stripe monthly Pro in JPY, x402 USDC pay-per-call, /llms.txt, /.well-known/mcp, /pricing.json, POST /checkout and GET /token.
Japan bundles: one token unlocks every server in the bundle — https://jp-mcp-bundles.donniertf.workers.dev
🇦🇺 Australia data MCPs (free tier + monthly Pro, AUD)
13 remote MCP servers on official Australian public data (AusTender, RBA, ABS, AEMO, Geoscience Australia, NSW RFS, Emergency Victoria, DFAT sanctions). Each has a free tool (no key), Stripe monthly Pro in AUD, x402 USDC pay-per-call, /llms.txt, /.well-known/mcp, /pricing.json, POST /checkout and GET /token.
Australia bundles: one token unlocks every server in the bundle — https://au-mcp-bundles.donniertf.workers.dev
Agents: POST <bundles>/checkout?bundle=<id> then GET /token?session_id=, or pay USDC at <bundles>/x402/<id>.
💷 Bundles — one-off, no subscription
One pass, one pack per included server, valid 90 days. Agents: POST /checkout?bundle=area5|all10 → GET /token?session_id= → Authorization: Bearer <pass>.
🤖 Agent-ready buying
Every subscription server exposes /llms.txt, /.well-known/mcp (server card), /pricing.json, POST /checkout (returns a Stripe Checkout URL) and GET /token?session_id= (returns the access token once paid). Free tiers need no key.
⭐ New: UK Postcode Property Report — £2.99
One postcode, one complete report: Land Registry sold prices (every nearby sale, medians by property type), Environment Agency flood warning areas, 3-month crime trend, EPC ratings, food hygiene nearby, CQC care services, planning applications and the nearest schools, GPs, stations and shops. For home buyers, landlords, property investors and agents.
- Free snapshot + sample London report: https://uk-postcode-report-mcp.donniertf.workers.dev
- MCP (no login):
https://uk-postcode-report-mcp.donniertf.workers.dev/mcp— toolspostcode_summary(free),buy_report_link,postcode_report(£2.99 one-time, 7-day refund) - Not a valuation, not a survey.
Ten specialist sources, each with a free sample and a one-time pack for £0.49. Built for agents, not dashboards.
Products
Places is also listed on Smithery.
Price
Each pack is £0.49, paid once through Stripe Checkout. There is no subscription. A free sample is on every product page. The buy link is that page plus /buy.
Free and paid
Connect
Point an MCP client at each product’s /mcp address:
Connecting is free. A pack that needs payment returns a checkout link.
Example asks
Companies House. Get a structured company pack for company number 00000006.
Land Registry. Compare sold prices around postcode M1. England and Wales residential sales only.
Planning. Show recent planning applications for Doncaster.
Tenders. Find UK public-sector notices for IT support, with buyer and deadline.
Places. List nearby shops, cafes, and pubs for postcode SW1A 1AA.
Flood, crime, food hygiene, EPC, CQC. Look up the matching public record for a postcode or provider, then buy the pack if you need the full result.
Sources
Source: README.md at commit b2f12f4
Tools
5best_window
PRO. Cheapest continuous window of N hours in the upcoming prices (EV charging, heat pumps, batteries, industrial jobs) with average price and cost for a kWh amount.
Parameters
kwhhoursrequiredpostcoderequiredaccess_tokenall_slots
PRO. All published half-hourly import prices for today/tomorrow for a postcode region.
Parameters
postcoderequiredaccess_tokenexport_rates
PRO. Agile Outgoing export prices — best upcoming slots to sell solar/battery power.
Parameters
postcoderequiredaccess_tokendaily_average
PRO. Daily average/min/max Agile import price for the last N days (max 30) — for budgeting and tariff comparison.
Parameters
dayspostcoderequiredaccess_tokenVersion history
1- v1.0.0LatestOct 29, 2026
Score
90% of the applicable checks met
How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.
- Reached in the last 30 daysRequired25 pts
- Auth declaredRequired10 pts
- Tools listedRequired15 pts
- DescriptionRequired15 pts
- Logo10 pts
- Documentation15 pts
- License10 pts
Declare a license in the repository or the registry entry.
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