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Jev MCP Server

by wangkuangkuang·io.github.wangkuangkuang/jev-mcp-server·v0.2.2·3 stars
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MCP server for Jev (TypeSafe System One): typed decisions with calibrated probabilities.

A88/100grade A
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Safety scan
A88/100

full report

Adoption
Growing

3 stars93 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Jev MCP Server tools (7)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • choice

    Ask Jev (TypeSafe System One) to pick ONE of 2-100 mutually exclusive options, with calibrated probabilities.

  • classify

    Batch-classify up to 100 items against ONE shared set of categories using Jev.

  • compare

    Ask Jev (TypeSafe System One) which of two candidates — a or b — better satisfies the question.

  • noul

    Ask Jev (TypeSafe System One) a yes/no question; returns a 0-1 degree (>= 0.5 leans yes).

  • score

    Ask Jev (TypeSafe System One) to grade something on an ORDERED scale of 2-8 levels.

  • setup

    One-time onboarding: verify a TypeSafe API key with a live call, then store it locally.

  • verify

    Check ONE claim against supplied evidence; returns a 0-1 support degree (>= 0.5 leans supported).

Public scan report

scanner v0.1.10 · 2026-11-02 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 40 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 88/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Jev MCP Server compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
88/100
higher than 75% of 48,255 servers
Tools
7
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
3
more than 80% of 28,688 servers
Downloads a week
93
more than 61% of 12,191 servers with a package

What its tools let an agent do: 6 read · 1 change

Install Jev MCP Server in Claude Code, Cursor or VS Code

claude mcp add jev-mcp-server -- uvx jev-mcp-server
Add to Cursor

Jev MCP Server: common questions

Is Jev MCP Server safe?
Yes, by our scan: it is graded A (88/100). Read the Jev MCP Server safety report
How do I install Jev MCP Server?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Jev MCP Server need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Jev MCP Server maintained?
The last commit was 42 days ago (2026-09-22). The latest release is v0.2.2.
What can I use instead of Jev MCP Server?
Servers from other publishers that do the same job: Ask Jev MCP server.
How does Jev MCP Server compare with other MCP servers?
safety score 88/100 (higher than 75% of 48,255 servers); tools 7 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Jev MCP Server

Same job from other publishers: the closest match first, then the best rated.

  • Ask Jev
    Evaluate state with typed choice, score, and probability questions.
    A