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Notion MCP

Notion MCP integration with managed authentication. Query databases, create and update pages, manage blocks. Use this skill when users want to interact with...

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Installation

npx @notionhq/mcp-server

Description

name: notion-mcp description: | Notion MCP integration with managed authentication. Query databases, create and update pages, manage blocks. Use this skill when users want to interact with Notion workspaces via MCP. For REST API, use the notion skill (https://clawhub.ai/byungkyu/notion-api-skill). For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway). compatibility: Requires network access and valid Maton API key metadata: author: maton version: "1.0" clawdbot: emoji: 🧠 homepage: "https://maton.ai" requires: env: - MATON_API_KEY

Notion MCP

Access Notion via MCP (Model Context Protocol) with managed authentication.

Quick Start

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': 'meeting notes', 'query_type': 'internal'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/notion/notion-search', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/notion/{tool-name}

Replace {tool-name} with the MCP tool name (e.g., notion-search). The gateway proxies requests to mcp.notion.com and automatically injects your credentials.

Request Headers

MCP requests use the Mcp-Session-Id header for session management. If not specified, the gateway initializes a new session and returns the session ID in the Mcp-Session-Id response header. You can include this session ID in subsequent requests to reuse the same session.

Authentication

All requests require the Maton API key:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

Connection Management

Manage your Notion MCP connections at https://ctrl.maton.ai.

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=notion&method=MCP&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'notion', 'method': 'MCP'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "21fd90f9-5935-43cd-b6c8-bde9d915ca80",
    "status": "PENDING",
    "creation_time": "2025-12-08T07:20:53.488460Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "notion",
    "method": "MCP",
    "metadata": {}
  }
}

Open the returned url in a browser to complete OAuth authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple Notion connections (eg. OAuth2, MCP), you must specify which MCP connection to use with the Maton-Connection header:

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': 'meeting notes', 'query_type': 'internal'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/notion/notion-search', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
req.add_header('Maton-Connection', '21fd90f9-5935-43cd-b6c8-bde9d915ca80')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

IMPORTANT: If omitted, the gateway uses the default (oldest) active connection, which may fail if it's not an MCP connection.

MCP Reference

All MCP tools use POST method:

Tool Description Schema
notion-search Search workspace and connected services schema
notion-fetch Retrieve content from pages/databases schema
notion-create-pages Create pages with properties and content schema
notion-update-page Update page properties and content schema
notion-move-pages Relocate pages to new parent schema
notion-duplicate-page Copy pages within workspace schema
notion-create-database Create databases with schema schema
notion-update-data-source Modify data source attributes schema
notion-create-comment Add comments to pages/blocks schema
notion-get-comments Retrieve page comments schema
notion-get-teams List workspace teams schema
notion-get-users List workspace users schema

Search

Search for pages and databases:

POST /notion/notion-search
Content-Type: application/json

{
  "query": "meeting notes",
  "query_type": "internal"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"results\":[{\"id\":\"30702dc5-9a3b-8106-b51b-ed6d1bfeeed4\",\"title\":\"Meeting Summary Report\",\"url\":\"https://www.notion.so/30702dc59a3b8106b51bed6d1bfeeed4\",\"type\":\"page\",\"highlight\":\"Meeting materials\",\"timestamp\":\"2026-02-15T00:07:00.000Z\"}],\"type\":\"workspace_search\"}"
    }
  ],
  "isError": false
}

Search for users:

POST /notion/notion-search
Content-Type: application/json

{
  "query": "john@example.com",
  "query_type": "user"
}

With date filter:

POST /notion/notion-search
Content-Type: application/json

{
  "query": "quarterly report",
  "query_type": "internal",
  "filters": {
    "created_date_range": {
      "start_date": "2024-01-01",
      "end_date": "2025-01-01"
    }
  }
}

Fetch Content

Fetch page by URL:

POST /notion/notion-fetch
Content-Type: application/json

{
  "id": "https://notion.so/workspace/Page-a1b2c3d4e5f67890"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"metadata\":{\"type\":\"page\"},\"title\":\"Project Overview\",\"url\":\"https://www.notion.so/30702dc59a3b8106b51bed6d1bfeeed4\",\"text\":\"Here is the result of \\\"view\\\" for the Page with URL https://www.notion.so/30702dc59a3b8106b51bed6d1bfeeed4 as of 2026-02-14T22:56:21.276Z:\\n<page url=\\\"https://www.notion.so/30702dc59a3b8106b51bed6d1bfeeed4\\\">\\n<properties>\\n{\\\"title\\\":\\\"Project Overview\\\"}\\n</properties>\\n<content>\\n# Project Overview\\n\\nThis document outlines the project goals and milestones.\\n</content>\\n</page>\"}"
    }
  ],
  "isError": false
}

Fetch by UUID:

POST /notion/notion-fetch
Content-Type: application/json

{
  "id": "12345678-90ab-cdef-1234-567890abcdef"
}

Fetch data source (collection):

POST /notion/notion-fetch
Content-Type: application/json

{
  "id": "collection://12345678-90ab-cdef-1234-567890abcdef"
}

Include discussions:

POST /notion/notion-fetch
Content-Type: application/json

{
  "id": "page-uuid",
  "include_discussions": true
}

Create Pages

Create a simple page:

POST /notion/notion-create-pages
Content-Type: application/json

{
  "pages": [
    {
      "properties": {"title": "My New Page"},
      "content": "# Introduction\n\nThis is my new page content."
    }
  ]
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"pages\":[{\"id\":\"31502dc5-9a3b-816d-a2ac-e9b7ec9aece7\",\"url\":\"https://www.notion.so/31502dc59a3b816da2ace9b7ec9aece7\",\"properties\":{\"title\":\"My New Page\"}}]}"
    }
  ],
  "isError": false
}

Create page under parent:

POST /notion/notion-create-pages
Content-Type: application/json

{
  "parent": {"page_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"},
  "pages": [
    {
      "properties": {"title": "Child Page"},
      "content": "# Child Page Content"
    }
  ]
}

Create page in data source (database):

POST /notion/notion-create-pages
Content-Type: application/json

{
  "parent": {"data_source_id": "f336d0bc-b841-465b-8045-024475c079dd"},
  "pages": [
    {
      "properties": {
        "Task Name": "New Task",
        "Status": "In Progress",
        "Priority": 5,
        "Is Complete": "__NO__",
        "date:Due Date:start": "2024-12-25"
      }
    }
  ]
}

Update Page

Update properties:

POST /notion/notion-update-page
Content-Type: application/json

{
  "page_id": "f336d0bc-b841-465b-8045-024475c079dd",
  "command": "update_properties",
  "properties": {
    "title": "Updated Page Title",
    "Status": "Done"
  }
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"page_id\":\"f336d0bc-b841-465b-8045-024475c079dd\"}"
    }
  ],
  "isError": false
}

Replace entire content:

POST /notion/notion-update-page
Content-Type: application/json

{
  "page_id": "f336d0bc-b841-465b-8045-024475c079dd",
  "command": "replace_content",
  "new_str": "# New Heading\n\nCompletely replaced content."
}

Replace content range:

POST /notion/notion-update-page
Content-Type: application/json

{
  "page_id": "f336d0bc-b841-465b-8045-024475c079dd",
  "command": "replace_content_range",
  "selection_with_ellipsis": "# Old Section...end of section",
  "new_str": "# New Section\n\nUpdated section content."
}

Insert content after:

POST /notion/notion-update-page
Content-Type: application/json

{
  "page_id": "f336d0bc-b841-465b-8045-024475c079dd",
  "command": "insert_content_after",
  "selection_with_ellipsis": "## Previous section...",
  "new_str": "\n## New Section\n\nInserted content here."
}

Move Pages

Move to page:

POST /notion/notion-move-pages
Content-Type: application/json

{
  "page_or_database_ids": ["31502dc5-9a3b-816d-a2ac-e9b7ec9aece7"],
  "new_parent": {
    "page_id": "31502dc5-9a3b-81e4-b090-c6f705459e38"
  }
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"result\":\"Successfully moved 1 item: 31502dc5-9a3b-816d-a2ac-e9b7ec9aece7\"}"
    }
  ],
  "isError": false
}

Move to workspace:

POST /notion/notion-move-pages
Content-Type: application/json

{
  "page_or_database_ids": ["page-id-1", "page-id-2"],
  "new_parent": {
    "type": "workspace"
  }
}

Move to database:

POST /notion/notion-move-pages
Content-Type: application/json

{
  "page_or_database_ids": ["page-id"],
  "new_parent": {
    "data_source_id": "f336d0bc-b841-465b-8045-024475c079dd"
  }
}

Duplicate Page

POST /notion/notion-duplicate-page
Content-Type: application/json

{
  "page_id": "31502dc5-9a3b-816d-a2ac-e9b7ec9aece7"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"page_id\":\"31502dc5-9a3b-812d-a865-ccac00a21f72\",\"page_url\":\"https://www.notion.so/31502dc59a3b812da865ccac00a21f72\"}"
    }
  ],
  "isError": false
}

Create Database

Create with SQL DDL schema:

POST /notion/notion-create-database
Content-Type: application/json

{
  "title": "Task Database",
  "schema": "CREATE TABLE (\"Task Name\" TITLE, \"Status\" SELECT('To Do':red, 'In Progress':yellow, 'Done':green), \"Priority\" NUMBER)"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"result\":\"Created database: <database url=\\\"{{https://www.notion.so/2a3cdbb18c1c475b909a84e5615c7b74}}\\\" inline=\\\"false\\\">\\nThe title of this Database is: Task Database\\n<data-sources>\\n<data-source url=\\\"{{collection://c0f0ce51-c470-4e96-8c3f-cafca780f1a0}}\\\">\\n...\"}"
    }
  ],
  "isError": false
}

Update Data Source

POST /notion/notion-update-data-source
Content-Type: application/json

{
  "data_source_id": "c0f0ce51-c470-4e96-8c3f-cafca780f1a0",
  "name": "Updated Database Name"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"result\":\"Updated data source: <database url=\\\"{{https://www.notion.so/2a3cdbb18c1c475b909a84e5615c7b74}}\\\">\\n...\"}"
    }
  ],
  "isError": false
}

Get Comments

POST /notion/notion-get-comments
Content-Type: application/json

{
  "page_id": "30702dc5-9a3b-8106-b51b-ed6d1bfeeed4"
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"results\":[{\"object\":\"comment\",\"id\":\"31502dc5-9a3b-8164-aa9c-001dfb9cb942\",\"discussion_id\":\"discussion://pageId/blockId/discussionId\",\"created_time\":\"2026-02-28T20:00:00.000Z\",\"last_edited_time\":\"2026-02-28T20:00:00.000Z\",\"created_by\":{\"object\":\"user\",\"id\":\"237d872b-594c-81d6-b88e-000200ac4d04\"},\"rich_text\":[{\"type\":\"text\",\"text\":{\"content\":\"This looks great! Ready for review.\"},\"annotations\":{\"bold\":false,\"italic\":false,\"strikethrough\":false,\"underline\":false,\"code\":false,\"color\":\"default\"}}]}],\"has_more\":false}"
    }
  ],
  "isError": false
}

Create Comment

POST /notion/notion-create-comment
Content-Type: application/json

{
  "page_id": "f336d0bc-b841-465b-8045-024475c079dd",
  "rich_text": [
    {
      "type": "text",
      "text": {
        "content": "This looks great! Ready for review."
      }
    }
  ]
}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"result\":{\"status\":\"success\",\"id\":\"31502dc5-9a3b-8164-aa9c-001dfb9cb942\"}}"
    }
  ],
  "isError": false
}

List Teams

POST /notion/notion-get-teams
Content-Type: application/json

{}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"joinedTeams\":[],\"otherTeams\":[],\"hasMore\":false}"
    }
  ],
  "isError": false
}

List Users

POST /notion/notion-get-users
Content-Type: application/json

{}

Response:

{
  "content": [
    {
      "type": "text",
      "text": "{\"results\":[{\"type\":\"person\",\"id\":\"237d872b-594c-81d6-b88e-000200ac4d04\",\"name\":\"John Doe\",\"email\":\"john@example.com\"},{\"type\":\"bot\",\"id\":\"b638ec59-55e9-4889-8dc1-a523ff2c8677\",\"name\":\"Notion MCP\"}],\"has_more\":false}"
    }
  ],
  "isError": false
}

Code Examples

JavaScript

const response = await fetch('https://gateway.maton.ai/notion/notion-search', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': `Bearer ${process.env.MATON_API_KEY}`
  },
  body: JSON.stringify({
    query: 'meeting notes',
    query_type: 'internal'
  })
});
const data = await response.json();
console.log(data);

Python

import os
import requests

response = requests.post(
    'https://gateway.maton.ai/notion/notion-search',
    headers={
        'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}',
        'Content-Type': 'application/json'
    },
    json={
        'query': 'meeting notes',
        'query_type': 'internal'
    }
)
print(response.json())

Property Types Reference

When creating or updating pages in databases:

Property Type Format
Title "Title Property": "Page Title"
Text "Text Property": "Some text"
Number "Number Property": 42
Checkbox "Checkbox Property": "__YES__" or "__NO__"
Select "Select Property": "Option Name"
Multi-select "Multi Property": "Option1, Option2"
Date (start) "date:Date Property:start": "2024-12-25"
Date (end) "date:Date Property:end": "2024-12-31"
Date (is datetime) "date:Date Property:is_datetime": 1
Place (name) "place:Location:name": "Office HQ"
Place (coordinates) "place:Location:latitude": 37.7749

Special naming: Properties named "id" or "url" must be prefixed with userDefined: (e.g., "userDefined:URL").

Error Handling

Status Meaning
400 Missing MCP connection or invalid tool name
401 Invalid or missing Maton API key
429 Rate limited (10 req/sec per account)

Troubleshooting: API Key Issues

  1. Check that the MATON_API_KEY environment variable is set:
echo $MATON_API_KEY
  1. Verify the API key is valid by listing connections:
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Invalid App Name

  1. Ensure your URL path starts with notion. For example:
  • Correct: https://gateway.maton.ai/notion/v1/search
  • Incorrect: https://gateway.maton.ai/v1/search

Notes

  • All IDs are UUIDs (with or without hyphens)
  • MCP tool responses wrap content in {"content": [{"type": "text", "text": "..."}], "isError": false} format
  • The text field contains JSON-stringified data that should be parsed
  • Use notion-fetch to get page/database structure before creating or updating pages
  • For databases, fetch first to get the data source ID (collection://... URL)

Resources

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