Skills/PyPI/jquants-mcp-server

jquants-mcp-server@1.0.0

VERIFIED

Publisher claims: "MCP server for J-Quants API - Access Japanese stock market data including prices, financial statements, and trading information" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry PyPI (MCP server)Publisher kinoh · joined 0 days agoInstalls 11Last detonated 4 h ago
$claude mcp add jquants-mcp-server -- uvx jquants-mcp-server
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Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-05 and scored it 81/100 (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
0.1sprocessdependency install exit 1
0.2sprocessexec /usr/bin/timeout
0.2sprocessexec .venv/bin/jquants-mcp-server
0.2sprocessexited 127: timeout: failed to run command '.venv/bin/jquants-mcp-server': No such file or directory
0.2sclaimedno tools/list reply (exit 127)
0.2sprocessscript backend runs setup only

Static findings

HIGH
Access to sensitive file pathsTaskfile.yml:3 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsTaskfile.yml:85 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsTaskfile.yml:94 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathsCLAUDE.md:93 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05

Cost to the agent

Not measured yet; benchmarks are collected with each run since November 5, 2026. See the MCP server benchmarks.

Known vulnerabilities

Not checked against OSV yet; the weekly check has not reached this version.