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Jquants Mcp

v0.1.2

Access JPX stock market data via J-Quants API — search stocks, get daily OHLCV prices, financial summaries (revenue, profit, EPS, ROE), and earnings calendar...

⭐ 0· 771·2 current·2 all-time
by@ajtgjmdjp
MIT-0
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LicenseMIT-0 · Free to use, modify, and redistribute. No attribution required.
Security Scan
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high confidence
✓
Purpose & Capability
Name/description, required binary (jquants-mcp), and required env vars (JQUANTS_MAIL_ADDRESS, JQUANTS_PASSWORD) all align with a CLI that authenticates to J-Quants and fetches market/financial data. The setup notes even mention pip install jquants-mcp, which is consistent.
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Instruction Scope
SKILL.md only instructs running the jquants-mcp CLI with specific commands (search, price, financials, calendar, test). It references only the declared environment variables and the official J-Quants site/ToS. There are no instructions to read unrelated files, exfiltrate data, or contact third-party endpoints outside the stated API.
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Install Mechanism
Install spec uses an 'uv' package installation that creates the jquants-mcp binary; SKILL.md also mentions 'pip install jquants-mcp'. This is proportionate to a CLI-based skill, but the trustworthiness depends on the package registry/source (uv registry or PyPI). Because the skill will install a binary package, users should verify the package origin before installing.
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Credentials
Only two env vars are required: JQUANTS_MAIL_ADDRESS and JQUANTS_PASSWORD. Those are appropriate for authenticating a user account on J-Quants. There are no unrelated secrets, cloud credentials, or excessive environment access requested.
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Persistence & Privilege
always is false, there are no required config paths, and the skill does not request to modify other skills or system-wide settings. Autonomous invocation is allowed (platform default) but is not combined with unusual privileges.
Assessment
This skill appears coherent with its purpose, but take routine precautions before installing and running it: 1) Verify the jquants-mcp package on the source registry (PyPI or the 'uv' registry) and check the maintainer and code/release page if available. 2) Prefer using a dedicated J-Quants account or an API token if the service offers one rather than reusing your primary email/password. 3) Understand J-Quants Terms of Service — redistribution is prohibited. 4) Because the install creates a binary, inspect the package contents or source repository when possible and avoid installing from unknown/untrusted URLs. 5) If you have concerns, run the CLI in an isolated environment (container or VM) and monitor network calls during first use.

Like a lobster shell, security has layers — review code before you run it.

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License

MIT-0
Free to use, modify, and redistribute. No attribution required.
Termshttps://spdx.org/licenses/MIT-0.html

Runtime requirements

💹 Clawdis
Binsjquants-mcp
EnvJQUANTS_MAIL_ADDRESS, JQUANTS_PASSWORD

Install

Install jquants-mcp (uv)
Bins: jquants-mcp
uv tool install jquants-mcp

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