Skills/PyPI/mailsocket-mcp

mailsocket-mcp@0.4.2

VERIFIED

Publisher claims: "MCP server exposing mailsocket inboxes + wait-for-OTP to AI agents." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server) · listed in the official MCP RegistryPublisher mailsocket · joined 2 days agoInstalls 861Last detonated 46 h ago
$claude mcp add mailsocket-mcp -- uvx mailsocket-mcp
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-01 and scored it 83/100 (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 · 0 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.4sprocessdependency install exit 1
0.4sprocessexec /usr/bin/timeout
0.4sprocessexec .venv/bin/mailsocket-mcp
0.4sprocessexited 127: timeout: failed to run command '.venv/bin/mailsocket-mcp': No such file or directory
0.4sclaimedno tools/list reply (exit 127)
0.4sprocessscript backend runs setup only

Static findings

HIGH
Auto-update or dynamic fetch configurationmailsocket_mcp/remote.py:433 · Auto-update or dynamic fetch configuration — agent may load new code at runtimeFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Dense URL-encoded contenttests/test_remote.py:524 · Dense URL-encoded content — may be obfuscating payloadsFix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
MEDIUM
Process kill commandmailsocket_mcp/server.py:220 · Process kill command — agent can terminate processesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
URL using raw IP addresstests/test_remote.py:117 · URL using raw IP address — may bypass domain-based filteringFix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.
AST07
MEDIUM
Outbound HTTP to raw IP addresstests/test_remote.py:117 · Outbound HTTP to raw IP address — may bypass domain-based monitoringFix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.
AST07