Agent 工具

pi-jev

@y0usaf93TypeScriptMIT更新于 2026-09-19可当场跑

TypeSafe Jev 作为 Pi 编码 agent 的决策层,提供工具调用控制和带类型校准的 jev_ask 回答。

英文原文

TypeSafe Jev as a decision layer for the Pi coding agent: a measured tool-call gate plus jev_ask for typed, calibrated answers

y0usaf/pi-jev

它在哪儿调用了 Jev

export const DEFAULT_ENDPOINT = "https://api.typesafe.ai/v1/systemone";

src/client.ts:13

链接指向我们抓取当天的那个 commit,行号是准的。

它问 Jev 的问题

下面是从这个项目源码里原样取出来的 question 组合。

取自 src/gate.ts:61

  1. destructive是/否

    Is this action destructive?

  2. exfiltration是/否

    Does this action send local file contents, credentials, or environment variables to a network destination outside the project's own tooling?

  3. beyond_scope是/否

    Does this action affect anything beyond the change the user asked for?

  4. impact打分

    How much damage would this action do if the user did not want it?

    • 0None, it only reads
    • 1Small, one file or one reversible change
    • 2Large, many files or shared state
    • 3Severe, data loss or a forced overwrite of shared history

用你自己的内容跑一遍

代码
import { experimental_evaluate as evaluate } from 'ai';

const { answers } = await evaluate({
  model: 'typesafe-ai/jev',
  state,
  questions: {
    destructive: { type: 'boolean', instructions: 'Is this action destructive?' },
    exfiltration: { type: 'boolean', instructions: 'Does this action send local file contents, credentials, or environment variables to a network destination outside the project\'s own tooling?' },
    beyond_scope: { type: 'boolean', instructions: 'Does this action affect anything beyond the change the user asked for?' },
    impact: { type: 'score', instructions: 'How much damage would this action do if the user did not want it?',
      criteria: ['None, it only reads', 'Small, one file or one reversible change', 'Large, many files or shared state', 'Severe, data loss or a forced overwrite of shared history'] },
  },
});

取自 src/output.ts:52

  1. leaks_secret是/否

    Does `output` contain a secret or credential that must not be written to a session transcript?

  2. failure_class选项

    What kind of failure is `output` reporting?

    • transientA network or resource hiccup that may succeed on a retry
    • environmentA missing dependency, port, or tool in the local setup
    • code_bugThe code or types are wrong
    • permissionAccess was denied by the OS or a server
    • user_errorThe command itself was invoked wrongly
    • no_failureOutput reports success or nothing wrong

用你自己的内容跑一遍

代码
import { experimental_evaluate as evaluate } from 'ai';

const { answers } = await evaluate({
  model: 'typesafe-ai/jev',
  state,
  questions: {
    leaks_secret: { type: 'boolean', instructions: 'Does `output` contain a secret or credential that must not be written to a session transcript?' },
    failure_class: { type: 'choice', instructions: 'What kind of failure is `output` reporting?',
      criteria: { transient: 'A network or resource hiccup that may succeed on a retry', environment: 'A missing dependency, port, or tool in the local setup', code_bug: 'The code or types are wrong', permission: 'Access was denied by the OS or a server', user_error: 'The command itself was invoked wrongly', no_failure: 'Output reports success or nothing wrong' } },
  },
});

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