Summary
Connects Claude to Bulgaria's National Statistical Institute (НСИ) open data API through the Pipeworx gateway. The source doesn't list specific tools, but NSI publishes official demographic, economic, and social statistics for Bulgaria. You'd use this when building agents that need authoritative Bulgarian data, whether for economic analysis, population research, or regional comparisons. Works via streamable HTTP, so no local setup required. You can call tools directly or use ask_pipeworx to query in plain English and let the gateway route to the right endpoint. Part of Pipeworx's 250+ data source collection, so you can add just this or connect to the full gateway.
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Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.
Part of Pipeworx — an MCP gateway connecting AI agents to 1476+ live data sources.
Tools
| Tool | Description |
|---|---|
list_datasets | List NSI Bulgaria open-data datasets with their numeric id and English (or Bulgarian) name. Each dataset id can be passed to get_dataset for the actual figures. Use the optional filter to substring-match dataset names (case-insensitive), e.g. 'population', 'export', 'inflation'. |
get_dataset | Fetch a single NSI Bulgaria dataset by numeric id as a JSON-stat 2.0 object (dimensions, categories, and the flat value array). Get ids from list_datasets. Example ids: 107 (children in kindergartens by municipality), 242 (aggregate replacement ratio). |
get_fields | Fetch the field/dimension metadata for an NSI dataset (its column codes plus Bulgarian and English names) as parsed CSV rows. Useful for interpreting the dimension codes in a get_dataset response. |
Quick Start
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"nsi-bg": {
"url": "https://gateway.pipeworx.io/nsi-bg/mcp"
}
}
}
What this endpoint actually serves
tools/list at https://gateway.pipeworx.io/nsi-bg/mcp returns the tools in the table
above plus the shared Pipeworx meta-tools — ask_pipeworx,
discover_tools, search_within, remember/recall and the rest of the
gateway-wide set. So the tool count you see is larger than this table: a
single-pack endpoint currently lists roughly 30 shared tools alongside the
pack's own. The connection's initialize response states its exact scope, and
is the authoritative answer for a given day.
This is deliberate, not multiplexing by accident. The meta-tools are what let a
scoped connection answer a question this pack does not cover — via
ask_pipeworx, which routes across the whole catalog — without you adding a
second MCP server. There is currently no way to mount a pack endpoint without
them; if the extra schemas cost you more context than the routing is worth,
connect to the full gateway once rather than to several pack endpoints.
Or connect to the full Pipeworx gateway to get every pack's tools listed directly, instead of just this one's:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}
Both URLs reach the same gateway and the same 1476+ data sources. The
only difference is which pack's tools are listed directly; ask_pipeworx
reaches all of them from either one.
Using with ask_pipeworx
Instead of calling tools directly, you can ask questions in plain English — this works on the pack endpoint above as well as on the full gateway:
ask_pipeworx({ question: "your question about Nsi Bg data" })
The gateway picks the right tool and fills the arguments automatically.
More
License
MIT
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