Koskamo

Hazelchat MCP

This MCP server allows AI assistants like Claude or ChatGPT to connect to a Hazelchat workspace. It enables agents to read agent activity, ask test questions against saved drafts, and add answers to drafts for review. It supports OAuth 2.1 authentication and provides tools for monitoring conversations, unanswered questions, and enquiries.

Visit Hazelchat

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

Hazelchat MCP logo, by HazelchatVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Operated by Hazelchat
You need:AI assistants are part of the paid plans; every paid workspace can connect one since 17 October 2026.Your ChatGPT plan and workspace settings decide whether you can add your own servers and use tools that change anything.
MCP endpoint (Streamable HTTP)
https://app.hazelchat.co/mcp
Vendor documentation

What you can do with it

  • Read agent activity and overview metrics
  • Ask test questions against saved drafts
  • Add answers to the agent's draft
  • Search conversations and view enquiries

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: co.hazelchat/hazelchat@1.0.0Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
639 ms
95th percentile latency
639 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 639 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http hazelchat-mcp https://app.hazelchat.co/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add hazelchat-mcp --url https://app.hazelchat.co/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable hazelchat-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "hazelchat-mcp": {
      "url": "https://app.hazelchat.co/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "hazelchat-mcp": {
      "type": "streamableHttp",
      "url": "https://app.hazelchat.co/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start hazelchat-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "hazelchat-mcp": {
      "type": "http",
      "url": "https://app.hazelchat.co/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http hazelchat-mcp https://app.hazelchat.co/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "hazelchat-mcp": {
      "url": "https://app.hazelchat.co/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "hazelchat-mcp": {
      "serverUrl": "https://app.hazelchat.co/mcp"
    }
  }
}

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