mcp-server@0.27.0
VERIFIED· install onlyPublisher claims: "MCP server for Finnish accounting — exposes Kirjapro bookkeeping, invoicing, and reporting tools to Claude, ChatGPT, Mistral, and other MCP clients." Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Coverage
Nothing executable in the bundle ran; the trace covers the install step only.- Tested
- every file read, file written and host contacted by what ran
- Not tested
- use of the skill by an agent
What this means for the label: Verified here covers what ran. The server's tools were not exercised with a real credential, so nothing about their behavior is asserted; the credential summary below says what to do with that.
Before you give it your token
- It will ask for
- no credential variables read in the code
- Where it talks to
- no vendor host named in the code
- What the honeypot saw
- no credential files read · no network
- What we could not test
- use of the skill by an agent
Connect it under the guard. Nothing executable in the bundle ran; the trace covers the install step only. The code names no credential variable; the guard pins the network to what the honeypot saw and logs every call.
Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-11 and scored it 91/100 (Verified). In what ran, nothing we could detect went wrong: no undeclared network egress, no credential reads, no persistent instruction writes. What it does with a real credential was not observed; the static findings and the publisher carry the rest of the score. Summary: no network, touches nothing outside the project, writes no memory.
Behavior trace
Honeypot run · 0 s · 1 scenarios · 0 deviationsStatic findings
"build": "esbuild src/index.ts --bundle --platform=node --target=node22 --format=esm --outfile=dist/index.js && chmod +x dist/index.js",Fix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.before validation and storage (it strips and never refuses), so a wrapped value anFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct."mcpb:pack": "npm run mcpb:validate && npx -y @anthropic-ai/[email protected] pack mcpb kirjapro-mcp.mcpb",Fix: Pin versions and sources; vendor anything fetched at install time.`<|im_start|>` anywhere in wrapped text; before, only right after a letter orFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent."mcpb:validate": "npx -y @anthropic-ai/[email protected] validate mcpb/manifest.json",Fix: Pin versions and sources; vendor anything fetched at install time.`<|im_start|>`, "ignore previous", etc.) before wrapping.Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.Cost to the agent
Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.
Known vulnerabilities
No advisories in OSV for @kirjapro/mcp-server@0.27.0 as of 3d ago. This is the package itself, not its dependencies.