flagpost is an MCP (Model Context Protocol) server by sathergate in the Testing & QA category. Feature flags for Next.js. One file, full control with A/B testing.

How do I connect flagpost to Claude, Cursor, or another MCP client?

Install flagpost from its npm package (flagpost) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is flagpost open source?

Yes — the source code is public at github.com/sathergate/sathergate-toolkit, with 148 GitHub stars.

Can AI agents pay to use flagpost?

Not yet through Loomal — flagpost is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.

flagpost

MCP server by github.com/sathergate/sathergate-toolkit

Feature flags for Next.js. One file, full control with A/B testing.

148 starsnpm: flagpost

About flagpost

flagpost is an MCP (Model Context Protocol) server published by sathergate in the official MCP registry, listed under Testing & QA on Loomal. Feature flags for Next.js. One file, full control with A/B testing.

It ships as an npm package (flagpost), so any MCP client that can launch a local process can run it.

Development happens in the open at github.com/sathergate/sathergate-toolkit, where the project has earned 148 GitHub stars.

Use flagpost with your agent

Claude Code · one command

claude mcp add flagpost -- npx -y flagpost

Claude Desktop, Cursor & other MCP clients · config

{
  "mcpServers": {
    "flagpost": {
      "command": "npx",
      "args": [
        "-y",
        "flagpost"
      ]
    }
  }
}

npmflagpost

Frequently asked questions

What is flagpost?: flagpost is an MCP (Model Context Protocol) server by sathergate in the Testing & QA category. Feature flags for Next.js. One file, full control with A/B testing.
How do I connect flagpost to Claude, Cursor, or another MCP client?: Install flagpost from its npm package (flagpost) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.
Is flagpost open source?: Yes — the source code is public at github.com/sathergate/sathergate-toolkit, with 148 GitHub stars.
Can AI agents pay to use flagpost?: Not yet through Loomal — flagpost is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.

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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain flagpost? Claim this listing free by verifying GitHub ownership, or contact us.