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npm

fortnox-mcp-server

MCP server for Fortnox Swedish accounting API integration

→ jakobwennberg/fortnox-mcp· npm: fortnox-mcp-server· listed on npm
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// key findings
⚠️
Known vulnerabilities in dependencies: 14 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
51 tools verified — handlers match their declared behaviour
34 read-only tools verified — handlers contain no write/delete/exec
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 6 credentials: FORTNOX_ACCESS_TOKEN, FORTNOX_CLIENT_SECRET, FORTNOX_REFRESH_TOKEN, JWT_SECRET, KV_REST_API_TOKEN, UPSTASH_REDIS_REST_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies14 high12 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.6.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.6.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.7.9GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.9GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.7.9GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configAUTH_MODE— ### Remote Mode (=remote)
🔐 secretFORTNOX_ACCESS_TOKEN— No Current access token (auto-refreshed)
configFORTNOX_CLIENT_ID— "": "your-client-id",
🔐 secretFORTNOX_CLIENT_SECRET— "": "your-client-secret",
🔐 secretFORTNOX_REFRESH_TOKEN— "": "your-refresh-token"
configFORTNOX_SCOPE
🔐 secretJWT_SECRET— Yes Secret for signing JWT tokens
🔐 secretKV_REST_API_TOKEN
configKV_REST_API_URL
configPORT— No HTTP port (default: 3000)
configSERVER_URL— Yes Public URL of your server
configTOKEN_STORAGE
configTRANSPORT— No stdio (default) or http
🔐 secretUPSTASH_REDIS_REST_TOKEN— Yes Upstash Redis token
configUPSTASH_REDIS_REST_URL— Yes Upstash Redis URL for token storage
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/fortnox-mcp-server-xtkdni)](https://m8ven.ai/mcp/fortnox-mcp-server-xtkdni)
commit: 501ee1368f12ca4dd2e24a24bda8a47378b5c40a
code hash: ad23bcc135b87417b3ef23d509e2705e6687d4f916ddb720198163311c34b1bd
verified: 7/13/2026, 9:53:01 AM
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