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OS Downloads (BYOK) icon

OS Downloads (BYOK)

List Ordnance Survey OpenData products, their download files, and your own OS Data Hub data packages and versions with your own API key

Unify Dynamics LLC

Tools7read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderOS Downloadsunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which Ordnance Survey OpenData products can be downloaded?
Tools called
list_opendata_products
Show the details of the OS Open Greenspace product
Tools called
get_opendata_product
Which GeoPackage files does OS Open Greenspace offer?
Tools called
list_opendata_downloads
Which OS data packages are available to my project?
Tools called
list_data_packages
Show OS data package 1234
Tools called
get_data_package
List the versions of OS data package 1234
Tools called
list_data_package_versions

About

OS Downloads (BYOK) lets an AI assistant read your own OS Downloads data through the OS Downloads API with a key you supply (OS Data Hub project API key). Read-only: 7 tools (list_opendata_products, get_opendata_product, list_opendata_downloads, list_data_packages, get_data_package, list_data_package_versions, get_data_package_version). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.os.uk. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by OS Downloads. OS Downloads and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the OS Downloads API (api.os.uk) with a BYOK key; documentation: https://docs.os.uk/os-apis/accessing-os-apis/os-downloads-api. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

7 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data7 tools
  • List opendata productsList the OS OpenData products available for download; set expanded to true to get full details for each product.
  • Get opendata productGet one OS OpenData product: description, version, covered grid areas, data structures, file formats, documentation link and end-of-life notice.
  • List opendata downloadsList the downloadable files of an OS OpenData product (file name, size, MD5, format, grid area), optionally filtered by format, sub-format, area…
  • List data packagesList the OS Select+Build data packages available to your project, with product and version summaries (needs a plan that includes data packages).
  • Get data packageGet one data package: name, product and the list of its versions.
  • List data package versionsList the versions of a data package (creation date, reason, full or change-only supply, product version, format).
  • Get data package versionGet one data package version, including the files available to download (name, size, MD5); use 'latest' for the newest version.

Information

PublisherUnify Dynamics LLC
CategoryDeveloper tools
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-osdownloads.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

Connect it to your agent

Three ways in, the same 7 tools.

MCP (Claude, Cursor, Windsurf, VS Code, any MCP client)https://byok-osdownloads.connectorbay.com/mcp
RESTPOST https://byok-osdownloads.connectorbay.com/v1/tools/<tool>
OpenAI function callinghttps://connectorbay.com/openai/byok-osdownloads.json
OpenAI-compatible chathttps://connectorbay.com/v1/chat/completions · how it works
  • Add the MCP URL in your client's connector, MCP or integration settings (streamable HTTP, no OAuth).
  • Key: send your OS Data Hub project API key in the X-Upstream-Key header (get one at osdatahub.os.uk).
  • Ask a question; the agent picks the right tool and answers from the live data.

OS Downloads connector: questions and answers

What is the OS Downloads connector?

OS Downloads (BYOK) lets an AI assistant read your own OS Downloads data through the OS Downloads API with a key you supply (OS Data Hub project… It is a hosted MCP server with 7 tools such as List opendata products, Get opendata product, List opendata downloads, List data packages, Get data package, List data package versions, published by Unify Dynamics LLC. It is independent and not affiliated with OS Downloads.

How do I connect OS Downloads to Claude, ChatGPT or Cursor?

Add the MCP endpoint https://byok-osdownloads.connectorbay.com/mcp to your client's MCP, connector or integration settings (streamable HTTP, no OAuth). For REST, POST JSON to https://byok-osdownloads.connectorbay.com/v1/tools/<tool>; the OpenAPI description is at /openapi.json. For OpenAI function calling, load https://connectorbay.com/openai/byok-osdownloads.json.

Do I need a OS Downloads account or API key?

Yes: this is a bring-your-own-key connector. Create a OS Data Hub project API key at https://osdatahub.os.uk/ and send it in the X-Upstream-Key header. ConnectorBay uses it for that one call only and never stores, logs or caches it.

Is OS Downloads read-only?

Yes. Every tool reads or computes. Nothing is created, changed, sent, paid or deleted in your account.

Is the OS Downloads connector free?

Yes. It is free to use within the published rate limits; an optional Pro key raises them. There is no account to create.

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Documentation

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OS Downloads (BYOK) — connector documentation

  • MCP endpoint: https://byok-osdownloads.connectorbay.com/mcp
  • REST API: POST https://byok-osdownloads.connectorbay.com/v1/tools/{tool_name}, described by the OpenAPI 3.1 spec at https://byok-osdownloads.connectorbay.com/openapi.json
  • Transport: Streamable HTTP, stateless, MCP specification 2025-06-18 or later
  • Authentication: your own OS Downloads OS Data Hub project API key, sent in the X-Upstream-Key header of every request (never stored, logged or cached)
  • Health: https://byok-osdownloads.connectorbay.com/health · Tool schemas: https://byok-osdownloads.connectorbay.com/tools.json
  • Publisher: Unify Dynamics LLC · connectorbay.com/byok-osdownloads · agent@connectorbay.com

What OS Downloads (BYOK) is for

OS Downloads (BYOK) lets an AI assistant read your own OS Downloads data through the OS Downloads API with a key you supply (OS Data Hub project API key). Read-only: 7 tools (list_opendata_products, get_opendata_product, list_opendata_downloads, list_data_packages, get_data_package, list_data_package_versions, get_data_package_version). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.os.uk. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by OS Downloads. OS Downloads and its logos are trademarks of their owners and are used only to say which service the connector works with.

Ask your assistant things like:

  • "Which Ordnance Survey OpenData products can be downloaded?"
  • "Show the details of the OS Open Greenspace product"
  • "Which GeoPackage files does OS Open Greenspace offer?"
  • "Which OS data packages are available to my project?"
  • "Show OS data package 1234"
  • "List the versions of OS data package 1234"

What it does

  • list_opendata_products: List the OS OpenData products available for download; set expanded to true to get full details for each product.
  • get_opendata_product: Get one OS OpenData product: description, version, covered grid areas, data structures, file formats, documentation link and end-of-life notice.
  • list_opendata_downloads: List the downloadable files of an OS OpenData product (file name, size, MD5, format, grid area), optionally filtered by format, sub-format, area or file name.
  • list_data_packages: List the OS Select+Build data packages available to your project, with product and version summaries (needs a plan that includes data packages).
  • get_data_package: Get one data package: name, product and the list of its versions.
  • list_data_package_versions: List the versions of a data package (creation date, reason, full or change-only supply, product version, format).
  • get_data_package_version: Get one data package version, including the files available to download (name, size, MD5); use 'latest' for the newest version.

BYOK key

You bring your own OS Downloads OS Data Hub project API key (https://osdatahub.os.uk/). Your assistant sends it in the X-Upstream-Key header with each request. ConnectorBay uses it for that one call only: it is never stored, logged or cached, never shown in an answer, and it is only sent to api.os.uk over https, with no redirects followed. Create a key with the fewest permissions the tools need (read-only if the provider offers it), and revoke it at the provider whenever you like.

Data sources

Live from the OS Downloads API (api.os.uk) with a BYOK key; documentation: https://docs.os.uk/os-apis/accessing-os-apis/os-downloads-api. Endpoints checked against that documentation on 2026-10-16.

What it is not

Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by OS Downloads. OS Downloads and its logos are trademarks of their owners and are used only to say which service the connector works with. It is read-only: it never creates, changes, sends or deletes anything in your OS Downloads account.

Built for: Worldwide. Languages: English.

Privacy policy

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OS Downloads (BYOK) — Privacy Policy

Effective 24 October 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What OS Downloads (BYOK) is. OS Downloads (BYOK) is a connector (an MCP server and REST API) that an AI assistant calls on your behalf to read your own OS Downloads data: List Ordnance Survey OpenData products, their download files, and your own OS Data Hub data packages and versions with your own API key. You bring your own OS Downloads OS Data Hub project API key; the assistant sends it to us with each request.

BYOK key. The key you supply is used to make the one OS Downloads call you asked for. Our application does not store it, write it to a log, put it in a cache, or share it. It is sent only to api.os.uk, over https, and is removed from any text we return to you or your assistant. We do not follow redirects with your key. If OS Downloads rejects it, we say so without repeating it.

What we receive. The arguments of each tool call, the BYOK key (for that call only), the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant) and standard server logs. What OS Downloads receives. The request we make on your behalf, including the key and the arguments, under OS Downloads's own terms and privacy policy. OS Downloads acts at your direction and is the only recipient of the data of your request besides our hosting provider.

What we return. The answer OS Downloads gives for your request, trimmed to the fields the tool documents. We do not keep it: it is returned to your assistant and not stored, cached or used to train anything.

What we do not do. We do not build a profile, sell or share personal information, or keep your OS Downloads data. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting access logs (IP addresses, request paths and status codes) are kept for up to 30 days for security and abuse prevention; our application adds no request headers or bodies to them.

Sub-processors. OS Downloads (the API you call with a BYOK key, at your direction). Hosting: Vercel (United States regions).

Your rights. Because we store no personal data beyond short-lived logs, requests to access, correct or delete data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. Revoke your key at OS Downloads at any time to end all access.

Children. OS Downloads (BYOK) is a general-audience service operated by the adult using the assistant, under OS Downloads's own age rules.

Changes. We will post changes here with a new effective date.

Terms of service

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OS Downloads (BYOK) — Terms of Service

Effective 24 October 2026. These terms govern use of the OS Downloads (BYOK) connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. OS Downloads (BYOK) provides: List Ordnance Survey OpenData products, their download files, and your own OS Data Hub data packages and versions with your own API key. It is accessed through an AI assistant or directly over MCP or HTTP, and is read-only.
  2. Your own key, your own account. You must use your own OS Downloads credentials and only access data you are allowed to access. OS Downloads's terms apply to your use of OS Downloads; you are responsible for complying with them, including any rate limits and permitted uses. Do not share a key you do not own.
  3. Independent. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by OS Downloads. OS Downloads and its logos are trademarks of their owners and are used only to say which service the connector works with.
  4. No advice, no guarantees. Output is the data OS Downloads returns, lightly trimmed; it may be incomplete, delayed or changed by OS Downloads. Check important facts at the source.
  5. Read-only. The Service does not create, change, send or delete anything in your OS Downloads account.
  6. Acceptable use. Automated use within the published rate limits is welcome. Do not use the Service to access data you are not entitled to, to circumvent OS Downloads's controls, or to attack any system.
  7. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time; OS Downloads may change or end its API at any time.
  8. Data. Our Privacy Policy describes what we process. In short: the BYOK key is used for the one call and not stored or logged.
  9. Pro keys. Optional ConnectorBay Pro API keys are issued at our discretion and are separate from your OS Downloads key.
  10. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any loss arising from use of or reliance on the Service, including any action OS Downloads takes on your account. Our total liability is limited to US $100.
  11. Governing law. California law; venue in San Mateo County, California.
  12. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/byok-osdownloads

OS Downloads (BYOK) support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. OS Downloads (BYOK) never asks for them.

Get OS Downloads (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own OS Downloads OS Data Hub project API key. Create one at https://osdatahub.os.uk/, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to OS Downloads. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with OS Downloads.