DeerDawn MCP Server

Local tools

Claude Code, Cursor, Codex, Claude Desktop, and ChatGPT Desktop all run the MCP server as a local npx -y @deerdawn/mcp-server@latest process. No API key needed in the config — a browser sign-in happens on first use.

claude mcp add -s user deerdawn -e DEERDAWN_API_URL=https://api.deerdawn.com -- npx -y @deerdawn/mcp-server@latest

{
  "mcpServers": {
    "deerdawn": {
      "command": "npx",
      "args": ["-y", "@deerdawn/mcp-server@latest"],
      "env": {
        "DEERDAWN_API_URL": "https://api.deerdawn.com"
      }
    }
  }
}

[mcp_servers.deerdawn]
command = "npx"
args = ["-y", "@deerdawn/mcp-server@latest"]
startup_timeout_sec = 120

[mcp_servers.deerdawn.env]
DEERDAWN_API_URL = "https://api.deerdawn.com"

{
  "mcpServers": {
    "deerdawn": {
      "command": "npx",
      "args": ["-y", "@deerdawn/mcp-server@latest"],
      "env": {
        "DEERDAWN_API_URL": "https://api.deerdawn.com"
      }
    }
  }
}

{
  "mcpServers": {
    "deerdawn": {
      "command": "npx",
      "args": ["-y", "@deerdawn/mcp-server@latest"],
      "env": {
        "DEERDAWN_API_URL": "https://api.deerdawn.com"
      }
    }
  }
}

Web tools — Claude.ai and ChatGPT.com

Claude.ai and ChatGPT.com support remote MCP servers over HTTPS. DeerDawn provides a hosted endpoint — no local install needed. Claude.ai authenticates via browser OAuth, the same flow as local tools.

Step 1 — Add the remote MCP

Step 2 — Add the system prompt

Just having the tool available isn't enough — the model won't call start_session automatically unless you tell it to. Add the snippet below to your system prompt so DeerDawn context loads at the start of every conversation without you asking.

At the start of every conversation, silently call start_session from DeerDawn before responding. Use the returned context (current task, decisions, stack) to answer without asking me to re-explain the project.

After any of the following, call update_context with a 1-2 sentence summary:
- A decision is made
- The task or status changes
- Something meaningful is built or fixed
- I confirm an approach ("yes", "good", "do it", "ship it")

Do not mention that you are calling these tools unless I ask.

At the start of every conversation, call start_session from DeerDawn before responding. Use the returned context to orient yourself — current task, recent decisions, open questions — without asking me to re-explain.

After any decision, task change, or meaningful progress, call update_context with a brief summary of what changed and why.

Call these tools silently. Do not narrate the tool calls unless I ask.

What the MCP server does

Automatic context cleanup

Completed tasks, resolved questions, and finished goals are automatically removed from your context graph as you work. You don't need to manually clean up — DeerDawn infers completion from what you tell it.

Usage examples

Security & privacy

DeerDawn is designed for professional context — tasks, decisions, and open questions that are often sensitive. Here's what we do to keep that data safe and give you control over it.

Configuration options

Local tools authenticate via browser OAuth — no API key in the config. Web tools (Claude.ai, ChatGPT.com) also authenticate via browser OAuth — no API key needed.

Resources