mcp@11.0.8

VERIFIED

Publisher claims: "Model Context Protocol server for the FerrVault API: vaults, environments, secrets and service tokens" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher ferrvault · publishing for 46 daysInstalls 2,157Last detonated 2d ago
$claude mcp add mcp -- npx -y @ferrvault/mcp
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Coverage

Server started and answered tools/list.
Tested
MCP initialize and tools/list · every tool description, for hidden instructions · every file read, file written and host contacted by what ran
Not tested
what the tools do when called with real credentials

Before you give it your token

It will ask for
no credential variables read in the code
Where it talks to
ferrvault.com (its own)
What the honeypot saw
no credential files read · no network
What we could not test
what the tools do when called with real credentials

Reasonable to connect. No credential asked for, no third-party host named, Server started and answered tools/list.

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 (2 scenarios) on 2026-11-12 and scored it 93/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 25 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
5.3sprocessdependency install exit 0
25sclaimed15 tools: list_ferrvault_vaults, list_ferrvault_environments, create_ferrvault_vault, create_ferrvault_environment, list_ferrvault_secrets, reveal_ferrvault_secret, delete_ferrvault_secret, set_ferrvault_secret, generate_ferrvault_secret, list_ferrvault_secret_requests, archive_ferrvault_secret_request, copy_ferrvault_secret, list_ferrvault_service_tokens, create_ferrvault_service_token, revoke_ferrvault_service_token
25sprocessscript backend runs setup only
25sprocessno install scripts to re-run

Static findings

No findings across 627 lines in 30 files.

Cost to the agent

Instructions loaded
≈60 tok
1 file · 30 in bundle
Tool list per prompt
≈3,632 tok
15 tools · 242 per tool
Handshake
502 ms
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 192

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

No advisories in OSV for @ferrvault/mcp@11.0.8 as of 2d ago. This is the package itself, not its dependencies.