mcp@11.0.9

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 10 h 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 2026-11-14 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 · 26 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
6.2sprocessdependency install exit 0
26sclaimed15 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
26stools2492b1a8d74b6500
26stools98b2901659fdeec1
26stools2d1def4ddb189537
26stoolsceae2fa04088132b
26stools07099e5678bd0798
26stoolsdfcee6d9a3a5c28d
26stoolse1f658eae6da6da3
26stools604861dd9cad8a37
26stoolse00962106d1ca93d
26stools4aaa3a3bdcb61561
26stools09e3dec00048ec91
26stools3175bfd9d3f04897
26stools4b98625489dc2bdd
26stoolsf688dc60f0756745
26stools2a344eda875a08ec
26sprocessscript backend runs setup only
26sprocessno install scripts to re-run

Static findings

No findings across 628 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
933 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@11.0.9 as of 10 h ago. This is the package itself, not its dependencies.