Jev MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| JEV_MODEL | No | The Jev decision model version to use. | typesafe/jev-1.13 |
| OPENROUTER_API_KEY | Yes | Your OpenRouter API key used to access Jev models. |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| jev_noulA | Fast boolean proposition evaluation (True/False) using Jev's Noul decision primitive. Returns calibrated truth probability and boolean verdict. Ideal for verification, assertions, bug detection, and criteria checks. |
| jev_choiceA | Ultra-fast single-choice classification using Jev's Choice primitive. Evaluates context against predefined options and returns the winning selection with confidence distribution. |
| jev_scoreA | Calibrated hierarchical scoring using Jev's Score primitive. Rates context against an ordered progression of criteria levels (returns weighted score & distribution). |
| jev_batch_decisionsA | Submit multiple decision tasks in a single request (combining noul, choice, and score). Evaluates concurrently with ultra-low latency. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
TDQS
Scored across 4 tools
Each tool targets a distinct decision primitive: boolean evaluation, single-choice classification, hierarchical scoring, and batch processing. The batch tool clearly aggregates the other three rather than competing with them, so there is no meaningful selection ambiguity.
All tool names share a consistent 'jev_' prefix followed by a lowercase noun or noun phrase, using snake_case throughout. The naming convention is uniform and predictable across the entire set.
Four tools is well-scoped for a decision-primitive server: three core evaluation types plus one batching convenience tool. Every tool earns its place without redundancy or bloat.
The tool surface covers the full stated domain of Jev decision primitives: boolean verification, option selection, hierarchical scoring, and concurrent batch evaluation. There are no obvious missing operations for this specialized purpose.