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SupraPrompt MCP Server

by jon933
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JavaScript
Remote

SupraPrompt.ai — Desktop Extension (.mcpb)

Connect SupraPrompt.ai to Claude (Cowork & Desktop) and turn rough product-marketing briefs into precision AI Briefings — battle cards, positioning, launch messaging, buyer personas, competitive intel and more — without leaving Claude.

Requires a paid SupraPrompt.ai plan. The free tier is web-app only.

Install (Cowork / Claude Desktop)

  1. Create an API key at supraprompt.ai/mcp (starts with sp_live_).

  2. Download SupraPrompt.mcpb (this repo / the latest release).

  3. Open Claude Settings → Extensions and drag the .mcpb in (or double-click it).

  4. When prompted, paste your API key. It's stored in your OS keychain — never in plain config.

  5. Ask: "Use SupraPrompt to list available content types."

No JSON editing, no environment variables, no OAuth.

Related MCP server: Plaud Notes MCP Server

How it works

.mcpb bundles only run local stdio servers, but the SupraPrompt MCP server is remote HTTPS (https://supraprompt.ai/api/mcp). So this extension ships a tiny zero-dependency stdio→HTTPS bridge (server/index.mjs): Claude launches it locally, it reads the SUPRAPROMPT_API_KEY injected from the prompted user_config, and forwards every MCP message to the server with an Authorization: Bearer header.

Claude (Cowork/Desktop) ──stdio──▶ server/index.mjs ──HTTPS Bearer──▶ supraprompt.ai/api/mcp

Tools exposed: supraprompt_elevate, supraprompt_list_content_types.

Tools

Tool

What it does

supraprompt_elevate

Turns a brief into a structured AI Briefing for the requested content type.

supraprompt_list_content_types

Lists all available SupraPrompt content types.

Build

npm install        # dev-only: @anthropic-ai/mcpb
npm run validate   # schema-check manifest.json
npm run pack       # produces SupraPrompt.mcpb

Distribution tracks

Client

Use

Claude Cowork / Desktop

this .mcpb (prompts for the key)

Claude Code (CLI)

the supraprompt-plugins marketplace plugin (SUPRAPROMPT_API_KEY env var)

Both authenticate to the same endpoint with the same sp_live_… key.

Notes

  • The published supraprompt-mcp npm package is deprecated (it targets a stale endpoint and returns HTML). Use this .mcpb instead.

  • Node ≥ 18 (Claude bundles a runtime; no local Node install required).

Support

MIT © SupraPrompt.ai

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