Is the npm:calcfi-mcp-server MCP server safe to use?
Independent trust grade A (95/100). Static analysis of npm package calcfi-mcp-server@0.1.6 (stdio server — no remote endpoint). Reliability/behavioral signals require running it; not measured. wmcp.sh continuously watches npm:calcfi-mcp-server for tool drift and rug-pulls. The grade is free and identical whether or not the operator pays.
What it offers — 20 tools · Finance & Crypto
compare_paycheck_by_state
salary
state_list
filing_status
cite_calcfi_dataset
target
format
cross_analyze_money_health
scenarios
summarize_freshness
series
find_canonical_calc_url
question
mortgage_affordability_full_picture
home_price
down_payment
from_city
to_city
+2 more tools
Spec / packaging20%100
✓ depends on an MCP SDK
✓ declares a bin entry (runnable server)
✓ 20 tool(s) detected in source
Security (OWASP MCP)30%90
no high-risk patterns in sampled source
scanned 6 source files
Maintenance / popularity20%100
published within 90 days
5 published versions
Tool hygiene15%95
✓ ships TypeScript types
3 runtime deps
Transparency / provenance15%90
✓ public repository linked
✓ MIT license
Findings
INFO Static analysis of npm package calcfi-mcp-server@0.1.6 (stdio server — no remote endpoint). Reliability/behavioral signals require running it; not measured.
We re-grade npm:calcfi-mcp-server on a schedule and alert your Slack/webhook the moment its tools change or its grade drops — rug-pull insurance for the connection.
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<a href="https://wmcp.sh/mcp/grade/npm%3Acalcfi-mcp-server"><img src="https://wmcp.sh/mcp/grade/npm%3Acalcfi-mcp-server/badge.svg" alt="MCP Trust Grade A · wmcp.sh"></a>
Agents: check this before connecting
Add the wmcp.sh trust oracle as an MCP server and call grade_mcp_server / check_mcp_drift in your agent's pre-connection gate:
https://wmcp.sh/mcp/trust
How this grade is computed. An open, independent rubric — Spec conformance (20%), Security mapped to the OWASP MCP Top 10 (30%), Reliability (20%), Tool hygiene (15%), Transparency (15%) — run by connecting to the server and inspecting its real MCP surface. The grade is free and identical whether or not the operator pays. v1 uses static + spec signals from a single connection; continuous uptime, real latency, and annotation-truthing (declared readOnly vs observed behavior) layer on via the wmcp.sh proxy.