Finite-sample guarantees for Jev (TypeSafe's System One). Conformal risk control turns calibrated probabilities into certified routing thresholds; prediction-powered inference audits them. 2,412 decisions on CLINC150 for $0.23 — including the shift and prevalence cases where the guarantee breaks.
Jev ecosystem projects — page 79
5191 repositories with documented relationships and source evidence.
Using Jev as a chess engine
Highlight text, right-click, Ask Jev — TypeSafe Jev answers in a Chrome side panel
I tested the 'AI model for HFT' hype: TypeSafe Jev on 298,549 intraday trades. 48.4% hit rate, worse than a coin flip before fees. Every model response shipped, so anyone can verify without an API key.
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Ask TypeSafe AI typed questions about JSON state from the command line
Semantic code completion for Neovim using Jev (TypeSafe AI) as a ranking oracle. Fuzzy candidates appear instantly; Jev re-ranks them by code context.
An 11-level crash course on Jev, TypeSafe AI's System One decision model — runnable examples against the real API, plus a capstone project with unit tests and evals. Works with any LLM provider via LiteLLM.
Typed semantic creature compilation with Jev: natural language → inspectable genome → deterministic procedural SVG.
Jev-powered technical debt gate for coding agents and CI. Bring your own TypeSafe API key.
LLM input gatekeeper MVP adapted for TypeSafe Jev - jailbreak/injection blocking with calibrated escalation
Comment moderation console adapted for TypeSafe Jev - spam/abuse/borderline routing at ~$20 per million comments
RAG quality gate adapted for TypeSafe Jev - relevance filtering + document injection detection, fan-out in one call
Support-ticket routing MVP adapted for TypeSafe Jev - 100/100 classification with confidence-gated dispatch
JD-anchored resume screener adapted for TypeSafe Jev - swap the job description, flip the verdict
Jev + autonomous driving: structured decisions, multimodal baselines, recovery research, and measured API diagnostics.
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Typed decision model judge for GitHub PRs — sub-second, ~$0.0001 per triage (TypeSafe Jev via OpenRouter)
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Can you beat Jev at Gomoku, Go or chess? Play TypeSafe's System One decision model on Cloudflare Pages, with every API call shown, a hall of fame and replays.
Small demos + use-case backlog: TypeSafe AI's Jev as a calibrated decision layer for GraphRAG pipelines on Neo4j.
Compose typed Jev judgments as reactive semantic state in React and backend programs
A reproducible benchmark connecting Jev semantic priors with intracortical inner-speech BCI decoding.
A probabilistic, AI-powered utility to determine if a number is not odd (or not even) using TypeSafe's Jev model and the Vercel AI SDK.
Configurable semantic CI checks for repository files using TypeSafe Jev
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Lightweight MCP server exposing TypeSafe Jev decision tools via OpenRouter for Hermes Agent
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MCP server exposing TypeSafe's Jev typed-decision model over the TypeSafe API or OpenRouter