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Prism

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository

Complete web tasks in the user's own Chrome via an observe-decide-act browser agent.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.

Manual Client & Custom JSON ConfigExpand JSON ▾
No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for prism, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.
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Documentation Overview

Prism

English | 简体中文

Prism 是一个 TypeScript 浏览器智能体 CLI。给它一个网址和一句目标,它会把页面读成一张带编号的可见控件表,让决策模型选择「对哪个元素执行哪个操作」,通过 Chrome DevTools Protocol 执行,直到决策模型判定目标达成。

Prism 架构图

环境要求

  • Node.js >= 22.19
  • 可通过 CDP 连接的 Chrome
  • TYPESAFE_API_KEY
  • 一个 OpenAI 兼容的 key(仅 CLI 模式需要;MCP 宿主支持 sampling 时由宿主自己的模型回答字段文本)

安装

Terminal
npm install -g @tulipe1735/prism

包含两个可执行入口:prism(CLI)和 prism-mcp(MCP server)

连接 Chrome

请以远程调试模式启动 Chrome。Chrome 136+ 默认 profile 不允许开启远程调试,因此使用独立 profile 并在其中登录一次:

bash
# macOS
"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" \
  --remote-debugging-port=9222 --user-data-dir="$HOME/.prism-chrome"

# Linux
google-chrome --remote-debugging-port=9222 --user-data-dir="$HOME/.prism-chrome"

# Windows
"%PROGRAMFILES%\Google\Chrome\Application\chrome.exe" ^
  --remote-debugging-port=9222 --user-data-dir="%USERPROFILE%\.prism-chrome"

作为 MCP server 使用

prism-mcp 是一个 stdio MCP server,只暴露一个任务级工具:

工具输入返回
browser_taskurl、goal、max_steps?、record_dir?status、reason、final_url、final_title、final_text、steps、elapsed_ms

宿主把整个浏览子任务委托出去;observe/decide/act 循环、新鲜度校验、预算和判定都由 Prism 自己负责。每步进度会以 MCP progress notification 上报;取消请求会中止运行并关闭标签页。

宿主声明了 sampling 能力时(opencode 支持),需要填写的字段文本由宿主自己的模型通过 sampling/createMessage 回答,此时不需要 TEXT_MODEL_API_KEY;否则回退到 TEXT_MODEL_*。决策(选哪个控件/目标)始终只走 TypeSafe,不会交给宿主模型。

opencode(opencode.json):

config.json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "prism": {
      "type": "local",
      "command": ["prism-mcp"]
    }
  }
}

prism-mcp 需要在 PATH 上(在仓库根目录执行 pnpm link --global),或把 command 指向 ["node", "/absolute/path/to/prism/dist/mcp.js"]。其他 MCP 客户端同理。key 和 PRISM_BROWSER_URL 从 server 进程的环境变量及其工作目录下的 .env 读取。

注意:不要在配置里用 "environment": { "TYPESAFE_API_KEY": "{env:TYPESAFE_API_KEY}" } 传未设置的变量——空值会覆盖 .env 里的同名 key,导致加载失败。

Respect

src/browser/snapshot.js 来自 browser-use/jev-ultrafast,以 MIT License 使用。详见 THIRD_PARTY_NOTICES.md。

Read the full README →View source on GitHub →

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Reviews

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Frequently Asked Questions about Prism

We don't have a confirmed install command for prism yet, so we don't publish a generated one — a guessed package name would point at the wrong package or none at all. Follow the project's own README or setup instructions (https://github.com/Tulipe1735/Prism) for the current steps.

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Technical Specs & Signals

Category💻Developer Tools
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Last updatedSep 28, 2026
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27Quality signal: Emerging · 27/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20
Documentation & tools11/30
Adoption & activity1/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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