Modern feature flag management with native AI integration. Control flags from Claude, Cursor, and VS Code, or your code. Built for developers, trusted by enterprises.
MCP server · 22 tools
OpenFeature-compatible
JS · React · Vue
App.tsx
@flagdeck/react v0.0.7
npm install @flagdeck/react
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Works with your stack
Claude Code
Cursor
Codex
VS Code
OpenFeature
The loop
Flagdeck gives coding agents the controls humans use to ship safely, reachable over the Model Context Protocol, in plain language.
01
connectOne setup. Claude Code, Cursor, Codex and VS Code manage your flags in natural language. No dashboard round-trips.
› Add Flagdeck to Claude Code
02
off by defaultWhen your agent writes a risky change, it creates the flag and gates it, off by default, so nothing goes live until you say so.
› Create a dark-mode flag for premium users
03
guarded rolloutPromote in percentages, target segments, and watch every change in the audit log, then archive the flag when it has served its purpose.
› Roll out new-checkout to 25% of users
The Flagdeck MCP server connects Claude, Cursor, and VS Code directly to your feature flags. Just ask. No switching tabs, no copy-pasting IDs.
Say things like
Add to your claude_desktop_config.json
View setup guideOne-click install or add to .cursor/mcp.json
Install in CursorOne-click install. VS Code will prompt for your API key
Install in VS CodeOne command to add Flagdeck to Claude Code
Create & manage flags
Create, update, toggle, archive, and duplicate flags with natural language. No dashboard required.
Natural language flag builder
"Create a premium analytics flag for enterprise users with 10% rollout." Done.
Evaluate in context
Ask your AI to evaluate flags for specific users while debugging, without leaving your editor.
Works with any MCP client
Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, or any client that supports MCP.
Trust
No black boxes. Every change is scoped, logged and reversible, the controls a team needs before it lets an agent touch production.
TLS on every request; sensitive data encrypted at rest.
Dev, staging and prod stay separate: org > project > environment.
Each SDK key authenticates one project and environment.
Every flag change is recorded and streamed to your webhooks.
Fine-grained permissions across your organization and projects.
Attribute each change to the agent or human that made it. Rolling out.
