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charliemday

Pretty Prompt MCP Server

by charliemday

Pretty Prompt MCP Server

MCP server that exposes your Pretty Prompt library and prompt improver to Cursor, Claude Desktop, and other MCP clients.

Tools

Tool

Description

list_library_prompts

List saved prompts from your library

save_to_library

Save a prompt to your library

list_library_folders

List folders in your library

create_library_folder

Create a folder (optionally nested under a parent)

rename_library_folder

Rename an existing folder

move_prompt_to_folder

Move a prompt into a folder (or to root)

improve_prompt

Improve/refine a prompt (uses your Pretty Prompt credits)

Related MCP server: prompts.chat MCP Server

Setup

1. Generate an API key

Go to pretty-prompt.com/settings/mcp and create an API key.

2. Build

npm install
npm run build

3. Configure Cursor

Add to your Cursor MCP config (~/.cursor/mcp.json or project .cursor/mcp.json):

{
  "mcpServers": {
    "pretty-prompt": {
      "command": "npx",
      "args": ["-y", "@pretty-prompt/mcp@latest"],
      "env": {
        "PRETTY_PROMPT_API_KEY": "pp_mcp_..."
      }
    }
  }
}

For local development, override the production defaults:

"env": {
  "PRETTY_PROMPT_API_KEY": "pp_mcp_...",
  "PRETTY_PROMPT_BACKEND_URL": "http://0.0.0.0:8000",
  "PRETTY_PROMPT_SUPABASE_URL": "http://127.0.0.1:54321",
  "PRETTY_PROMPT_SUPABASE_ANON_KEY": "your-local-anon-key"
}

Environment variables

Variable

Required

Default

Description

PRETTY_PROMPT_API_KEY

Yes

API key from settings (pp_mcp_...)

PRETTY_PROMPT_BACKEND_URL

No

https://production.pretty-prompt.com

FastAPI backend URL

PRETTY_PROMPT_SUPABASE_URL

No

https://api.pretty-prompt.com

Supabase project URL

PRETTY_PROMPT_SUPABASE_ANON_KEY

No

Production anon key

Supabase anon key

PRETTY_PROMPT_ANALYTICS

No

enabled

Set to false to disable PostHog analytics

PRETTY_PROMPT_POSTHOG_KEY

No

Production PostHog key

Override PostHog project key

Analytics

The MCP server sends PostHog events (fire-and-forget) for:

Event

When

mcp_server_started

Each time the server process starts and authenticates

mcp_first_connected

First successful connection for an API key on this machine

mcp_tool_called

Each tool invocation (name, success, duration, sanitized params)

Events are attributed to the user's email from the MCP access token. Prompt text is never sent — only lengths and flags.

Disable locally with PRETTY_PROMPT_ANALYTICS=false.

Override env vars to point at local services:

PRETTY_PROMPT_BACKEND_URL=http://0.0.0.0:8000
PRETTY_PROMPT_SUPABASE_URL=http://127.0.0.1:54321

Ensure the backend has SUPABASE_JWT_SECRET set and the mcp_api_keys migration is applied.

Install Server
A
license - permissive license
A
quality
B
maintenance

Maintenance

Maintainers
Response time
Release cycle
Releases (12mo)
Commit activity

Resources

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Looking for Admin?

If you are the server author, to access and configure the admin panel.

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