revealjs-mcp

revealjs-mcp

MCP server for creating and managing reveal.js presentations via natural language, with built-in HTTP server to preview in browser.

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README

reveal.js-mcp

一个对 reveal.js(6.0.1,通过 npm 依赖引入)的薄封装 MCP 服务:让 Codex / Claude Code 等 MCP 客户端用自然语言创建 reveal.js 演示文稿,并立即通过内置 HTTP 服务在浏览器中查看。

  • 三种传输:stdio(默认,供本地客户端拉起)、http(streamable HTTP,/mcp)、sse( legacy SSE,/sse + /messages)
  • 内置静态服务:/revealjs/* 提供 reveal.js 资源,/p/<id>/ 提供生成的演示文稿(stdio 模式下同样会启动,方便浏览器查看)
  • npx 直接接入、本地直接运行或 Docker 运行

快速接入(npx,无需安装)

在 MCP 客户端配置中:

{
	"type": "stdio",
	"command": "npx",
	"args": ["revealjs-mcp@latest"]
}

也可以直接跑一个 HTTP 服务:npx revealjs-mcp@latest --transport http --port 8000

从源码安装与构建

npm install
npm run build    # 输出到 dist/

运行

# stdio(MCP 客户端通常以这种方式拉起)
node dist/index.js

# streamable HTTP
node dist/index.js --transport http --port 8000

# legacy SSE
node dist/index.js --transport sse --port 8000

开发模式(免构建):npm run dev -- --transport http --port 8000

配置项

CLI 参数 环境变量 默认值 说明
--transport REVEALJS_TRANSPORT stdio stdio / sse / http
--port REVEALJS_PORT 8000 HTTP 端口(0 = 随机端口)
--host REVEALJS_HOST 127.0.0.1 监听地址
--data-dir REVEALJS_DATA_DIR ./presentations 演示文稿存储目录
--public-url REVEALJS_PUBLIC_URL http://localhost:<port> 工具返回 URL 使用的基础地址(反向代理时设置)

MCP 工具

工具 说明
create_presentation 从 slides 数组(HTML 或 markdown)创建演示文稿,返回可浏览的 URL
list_presentations 列出已创建的演示文稿
get_presentation_url 按 id 获取演示文稿 URL
delete_presentation 按 id 删除演示文稿
list_themes 列出 reveal.js 内置主题(black、white、dracula……)
list_transitions 列出转场样式(none/fade/slide/convex/concave/zoom)
get_server_info 服务器与 reveal.js 版本信息

create_presentation 支持 theme、transition、controls、progress、center、hash、highlight(语法高亮插件)以及 options(任意 reveal.js 配置透传到 Reveal.initialize())。

在 Claude Code 中配置

stdio(推荐,无需克隆仓库,直接走 npx;也可复制 examples/claude-code.mcp.json 为项目根的 .mcp.json):

{
	"mcpServers": {
		"revealjs": {
			"type": "stdio",
			"command": "npx",
			"args": ["revealjs-mcp@latest"]
		}
	}
}

或用命令注册:

claude mcp add revealjs -- npx revealjs-mcp@latest
# 已运行的 HTTP 服务:
claude mcp add --transport http revealjs http://localhost:8000/mcp
claude mcp add --transport sse  revealjs http://localhost:8000/sse

在 Codex 中配置

追加到 ~/.codex/config.toml(完整示例见 examples/codex.config.toml):

[mcp_servers.revealjs]
command = "npx"
args = ["revealjs-mcp@latest"]
env = { REVEALJS_PORT = "8000" }

# 或连接已运行的 streamable HTTP 服务:
# [mcp_servers.revealjs]
# url = "http://localhost:8000/mcp"

Docker

docker build -t revealjs-mcp .
docker run -d -p 8000:8000 -v "$PWD/presentations:/data" revealjs-mcp
# MCP endpoint: http://localhost:8000/mcp (streamable HTTP)
# 换成 SSE:  -e REVEALJS_TRANSPORT=sse

也可以 docker compose up -d(见 docker-compose.yml)。

容器内默认 --transport http --host 0.0.0.0 --port 8000 --data-dir /data(通过环境变量注入,均可覆盖)。

开发与测试

npm test                 # vitest:单元 + MCP 协议 + 三种传输端到端
npm run build            # tsc 类型检查 + 编译
scripts/docker-smoke.sh  # 构建镜像并对容器跑真实 MCP 会话冒烟测试

结构

src/config.ts         CLI/环境变量解析
src/themes.ts         reveal.js 包定位、主题/转场列表
src/presentations.ts  演示文稿的创建/列表/删除与 HTML 模板
src/mcp.ts            MCP server 与工具注册
src/http.ts           express 应用:/revealjs 静态资源、/p 演示文稿、/mcp 与 /sse 端点
src/index.ts          CLI 入口(三种传输)
test/                 vitest 测试(含三种传输的端到端)

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