Lexware MCP Server

MCP server for the Lexware Office API - invoices, contacts, articles, and vouchers. It runs locally over stdio via the published package.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 6 · #36 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

NOASSERTION · TypeScript servers · how we verify → /methodology

01 · Install Lexware

before you install - you'll need

Set LEXWARE_API_TOKEN, LEXWARE_KEYRING_SERVICE, LEXWARE_WEBHOOK_PUBLIC_KEY before connecting.

Claude Code

claude mcp add lazyants-lexware-mcp-server -- npx -y @lazyants/lexware-mcp-server

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "lazyants-lexware-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@lazyants/lexware-mcp-server"
      ]
    }
  }
}

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 no standard license detected - usage rights unclear; check the repo before commercial use

npm package @lazyants/lexware-mcp-server - published under the repo owner's npm scope (@lazyants)

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

03 · What Lexware can do

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

What you can build

An agent gets 1 documented tool, including fetchAllPages.

The 1 tools it gives your agent

Extracted from the project's README - what lexware lets an agent do.

fetchAllPages: - true follows pagination until every page is retrieved, capped at 100 requests.

Latest releases

v5.2.0 · 2026-08-20

Added · The publish workflow fails before npm publish when the GitHub Release tag · and package.json version disagree. check-versions.mjs proved that · package.json, server.json and the lockfile agreed with each other…

v5.1.0 · 2026-08-20

Added · Both upload tools (lexware_upload_file, lexware_upload_voucher_file) accept · a filePath - an absolute path on the MCP server host - as an alternative to · contentBase64. Base64 inflates a payload by ~33% and…

v5.0.0 · 2026-07-27

Removed · BREAKING - lexware_upload_file and lexware_upload_voucher_file no · longer accept contentType: "". Up to 4.2.0 an empty string reached the · contentType || 'application/pdf' fallback and uploaded as a PDF; it…

04 · Who maintains Lexware

lexware is maintained by lazyants. We track 3 MCP servers from lazyants - 3 actively maintained, 12 combined GitHub stars, oldest repo from Mar 2026. Full record: all servers from lazyants.

05 · Facts

repository: github.com/lazyants/lexware-mcp-server
category: finance - ranked #36 of 283 actively-maintained finance servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-20)
registry: io.github.lazyants/lexware (active, first published 2026-03-12 · 18 versions)
packages: npm:@lazyants/lexware-mcp-server

06 · Lexware FAQ

What is Lexware?

MCP server for the Lexware Office API - invoices, contacts, articles, and vouchers. It runs locally over stdio via the published package.

Is Lexware still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Lexware?

Run `npx -y @lazyants/lexware-mcp-server`. The README documents 3 environment variables (LEXWARE_API_TOKEN, LEXWARE_KEYRING_SERVICE, LEXWARE_WEBHOOK_PUBLIC_KEY) to set first. Set LEXWARE_API_TOKEN, LEXWARE_KEYRING_SERVICE, LEXWARE_WEBHOOK_PUBLIC_KEY before connecting. You can also paste the ready-made client config above.

Does Lexware run locally?

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

07 · Alternatives to Lexware

Alternatives to Lexware

Maintained finance servers if Lexware isn't the fit.

Pairs well with

Servers that cover what Lexware doesn't - only shown when the pairing reason fits the companion.

More finance MCP servers · Tijori Finance · Lightning Wallet · Lightningfaucet MCP Server · Drillr - The financial MCP for AI agents · ATEX AI Gateway

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