Docsbook
Overview

Set chat system prompt

MCPset_chat_system_promptWRITE$0.02 / call

Set a custom system prompt for the AI chatbot. Injected with high priority after the default system prompt. REQUIRES PRO or higher. BEFORE CHANGING THIS, call docsbook_expert with what you are trying to achieve: it names the reading that should decide the value, so the setting is a conclusion rather than a guess. One call, changes nothing.

Arguments
workspace_idstringrequired

Numeric workspace id — OR the project as the user names it: 'owner/repo', the repo name alone, the site's display name, its docs URL or custom domain. Text is resolved server-side; an ambiguous name returns the candidates instead of guessing, so pass what the user said rather than calling list_workspaces first.

system_promptstringrequired

Custom system prompt text. Pass empty string to clear.

Call it#

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "set_chat_system_prompt",
    "arguments": {
      "workspace_id": "<workspace_id>",
      "system_prompt": "<system_prompt>"
    }
  }
}
curl -X POST 'https://docsbook.io/api/mcp/server' \
  -H 'Authorization: Bearer dbk_YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"set_chat_system_prompt","arguments":{"workspace_id":"<workspace_id>","system_prompt":"<system_prompt>"}}}'

Try it over REST#

The same tool is callable as a plain HTTP request, no MCP client required. It runs on the same server, at the same price.

Your workspace is resolved from the API key, so workspace_id is decided server-side here and anything you send for it is ignored.

POST/api/v1/tools/set_chat_system_prompt
Authorization
Authorizationstringrequired

Your API key, sent as Authorization: Bearer dbk_YOUR_API_KEY.Sent as the Authorization header. Your key is used only by your browser for this request — it is never sent to Docsbook or stored.

Body
argsobjectrequired

The arguments above, as one JSON object.

Request
curl -X POST 'https://docsbook.io/api/v1/tools/set_chat_system_prompt' \
  -H 'Authorization: Bearer dbk_YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"args":{"workspace_id":"<workspace_id>","system_prompt":"<system_prompt>"}}'

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