Nbb MCP Server

MCP server for the National Bank of Belgium SDMX statistical API (221 dataflows). It runs locally over stdio via the published package.

People connecting API integration tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 3 · #116 OF 250 MAINTAINED API INTEGRATION · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Nbb

Claude Code

claude mcp add lacausecrypto-mcp-nbb -- uvx mcp-nbb

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "lacausecrypto-mcp-nbb": {
      "command": "uvx",
      "args": [
        "mcp-nbb"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

pypi package mcp-nbb - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.lacausecrypto is GitHub-verified and matches the repo owner

03 · What Nbb can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.1.2 · 2026-04-12

Patch release fixing a Windows py3.11 flaky test. · Fixed · Disk cache now completely bypasses lookup/store when the configured TTL is <= 0, fixing a flaky test_disk_cache_respects_ttl on Windows Python 3.11 where…

v0.1.1 · 2026-04-12

Patch release adding MCP Registry publication metadata. · Added · server.json manifest for the official MCP Registry. · No functional changes to the server or tools. Users on 0.1.0 don't need to upgrade.

v0.1.0 · 2026-04-12

Initial public release of mcp-nbb · MCP server for the National Bank of Belgium SDMX statistical API. · Exposes 221 NBB dataflows (194 BE2 + 27 IMF/SDDS) through 6 LLM-friendly tools and 3 browsable resources - with a…

04 · Who maintains Nbb

mcp-nbb is maintained by lacausecrypto. We track 7 MCP servers from lacausecrypto - 7 actively maintained, 40 combined GitHub stars, oldest repo from Apr 2026. Full record: all servers from lacausecrypto.

05 · Facts

repository: github.com/lacausecrypto/mcp-nbb
category: API integration - ranked #116 of 250 actively-maintained API integration servers as of 2026-08-25.
registry: io.github.lacausecrypto/mcp-nbb (active, first published 2026-04-12)
packages: pypi:mcp-nbb

06 · Nbb FAQ

What is Nbb?

MCP server for the National Bank of Belgium SDMX statistical API (221 dataflows). It runs locally over stdio via the published package.

Is Nbb still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24. We re-verify nightly.

How do I install Nbb?

Run `uvx mcp-nbb`. You can also paste the ready-made client config above.

Does Nbb run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Nbb

Alternatives to Nbb

Maintained API integration servers if Nbb isn't the fit.

More API integration MCP servers · Sports Hub · Hetzner · Transkribus · Frankfurter · Atest MCP Server

More Python MCP servers · Cascade Img · Mathematica MCP · Reddit Growth MCP · Content · Bitbucket MCP Server · see all