Confidence AI Plugin

Official Confidence plugin for AI coding tools. Access feature flags, experiments, and migration tools directly from Claude Code, Cursor, Codex, and Gemini CLI.

Installation

Claude Code

1. Add the Confidence marketplace:

   claude marketplace add spotify/confidence-ai-plugins

2. Install the plugin:

   claude plugin install confidence

3. Authenticate via OAuth:

   claude
   # Then use /mcp to connect to the Confidence MCP servers
   /mcp

   Follow the browser prompts to log in.

Updating

claude plugin update confidence:confidence

Cursor

From the Marketplace

1. Open Cursor Settings > Plugins
2. Search for Confidence
3. Click Install

Manual setup

Add the MCP servers to .cursor/mcp.json in your project (or ~/.cursor/mcp.json globally):

{
  "mcpServers": {
    "confidence-flags": {
      "url": "https://mcp.confidence.dev/mcp/flags"
    },
    "confidence-docs": {
      "url": "https://mcp.confidence.dev/mcp/docs"
    }
  }
}

Codex

codex plugin marketplace add spotify/confidence-ai-plugins
codex
/plugins
# Select Confidence and install

Gemini CLI

gemini extensions install https://github.com/spotify/confidence-ai-plugins

Local Development

git clone https://github.com/spotify/confidence-ai-plugins.git
claude --plugin-dir ./confidence-ai-plugins

Features

This plugin provides access to Confidence tools across these categories:

• Feature flags — Create, list, update, archive, resolve, and target feature flags
• Documentation — Search Confidence docs and SDK integration guides
• Migration — Migrate feature flags from PostHog or Eppo to Confidence

Slash Commands

• /confidence:migrate-posthog — Migrate feature flags from PostHog to Confidence SDK
• /confidence:migrate-eppo — Migrate feature flags from Eppo to Confidence SDK

Example Usage

> List my feature flags
> Create a flag called new-checkout with a boolean schema
> /confidence:migrate-posthog plan flag
> /confidence:migrate-posthog plan code
> /confidence:migrate-eppo plan flag
> /confidence:migrate-eppo plan code

MCP Servers

Server	Endpoint	Description
confidence-flags	https://mcp.confidence.spotify.com/mcp/flags	Feature flag management
confidence-docs	https://mcp.confidence.spotify.com/mcp/docs	Confidence documentation

Supported Clients

Client	Config	Marketplace
Claude Code	.claude-plugin/	Community marketplace
Cursor	.cursor-plugin/	Cursor Marketplace
Codex	.codex-plugin/	Via marketplace command
Gemini CLI	gemini-extension.json	Direct from repo

Documentation

• Confidence documentation
• OpenFeature SDK integration