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Scientific due diligence on a claim, sealed in a verifiable attestation. Free screen, gated dossier.
About
Scientific due diligence on a claim, sealed in a verifiable attestation. Free screen, gated dossier.
Security Report
Zetesis is a well-designed thin-client MCP server that proxies all operations to a hosted API service. Authentication is properly handled via environment variables, and the code exhibits good security practices including input validation, error handling, and read-only operations. Permissions are appropriately scoped for the stated purpose of scientific claim evaluation through external API calls. Supply chain analysis found 5 known vulnerabilities in dependencies (0 critical, 5 high severity). Package verification found 1 issue.
4 files analyzed · 9 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: ZETESIS_TOKEN
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-reutavidan-zetesis": {
"env": {
"ZETESIS_TOKEN": "your-zetesis-token-here"
},
"args": [
"zetesis"
],
"command": "uvx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Zetesis
Scientific due diligence on a claim, from inside Claude, Copilot, or any MCP host.
Zetesis takes a high-dimensional scientific or technical claim and grades it dimension by dimension against public literature, clinical trials, and filings. It returns an overall reading, cites every source by id, and, for a full evaluation, translates the science into what a commitment to the claim turns on and seals the result in an attestation anyone can re-check.
This package is a thin MCP client. It holds no keys and runs no model. Every call is proxied to the hosted engine at https://api.zetesis.science with your token.
Get a token
Free, no card, at https://api.zetesis.science/signup. The free plan gives you a handful of screening evaluations each month.
Connect it
Claude Code:
claude mcp add zetesis --env ZETESIS_TOKEN=zk_... -- uvx --from zetesis zetesis-client
Claude Desktop (claude_desktop_config.json):
{
"mcpServers": {
"zetesis": {
"command": "uvx",
"args": ["--from", "zetesis", "zetesis-client"],
"env": { "ZETESIS_TOKEN": "zk_..." }
}
}
}
Tools
- evaluate_claim — grade a claim.
depth="screen"returns the verdict directly (free tier);depth="deep"runs the full signed dossier in the background.mode="research"is science only;mode="diligence"adds the capital reading. - check_evaluation — get the verdict and the rendered dossier link for a deep run.
- verify_attestation — re-check any Zetesis attestation. No account needed.
- account_status — your plan and remaining evaluations or credits.
How it grades
It grades only what the evidence supports, cites sources by hard id (PMID, DOI, NCT, NIH grant, SEC filing), and flags gaps rather than filling them. It never invents citations. Claim text is not logged; only metadata (the routed domain, depth, counts) is kept.
Configuration
ZETESIS_TOKEN— your token (required for evaluations; verify works without one)ZETESIS_API— override the API base (defaulthttps://api.zetesis.science)
MIT licensed. The hosted engine is a separate service.
mcp-name: io.github.reutavidan/zetesis
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