Agent skill

notion

Notion API for creating and managing pages, databases, and blocks via curl. Search, create, update, and query Notion workspaces directly from the terminal.

View SKILL.md on GitHub Repository
Stars 56,643
Forks 7,481

Install this agent skill to your Project

npx add-skill https://github.com/NousResearch/hermes-agent/tree/main/skills/productivity/notion

Metadata

Additional technical details for this skill

hermes 
{
    "tags": [
        "Notion",
        "Productivity",
        "Notes",
        "Database",
        "API"
    ],
    "homepage": "https://developers.notion.com"
}

SKILL.md

Notion API

Use the Notion API via curl to create, read, update pages, databases (data sources), and blocks. No extra tools needed — just curl and a Notion API key.

Prerequisites

  1. Create an integration at https://notion.so/my-integrations
  2. Copy the API key (starts with ntn_ or secret_)
  3. Store it in ~/.hermes/.env: 
    NOTION_API_KEY=ntn_your_key_here
  4. Important: Share target pages/databases with your integration in Notion (click "..." → "Connect to" → your integration name)

API Basics

All requests use this pattern:

bash
curl -s -X GET "https://api.notion.com/v1/..." \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json"

The Notion-Version header is required. This skill uses 2025-09-03 (latest). In this version, databases are called "data sources" in the API.

Common Operations

Search

bash
curl -s -X POST "https://api.notion.com/v1/search" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{"query": "page title"}'

Get Page

bash
curl -s "https://api.notion.com/v1/pages/{page_id}" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03"

Get Page Content (blocks)

bash
curl -s "https://api.notion.com/v1/blocks/{page_id}/children" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03"

Create Page in a Database

bash
curl -s -X POST "https://api.notion.com/v1/pages" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{
    "parent": {"database_id": "xxx"},
    "properties": {
      "Name": {"title": [{"text": {"content": "New Item"}}]},
      "Status": {"select": {"name": "Todo"}}
    }
  }'

Query a Database

bash
curl -s -X POST "https://api.notion.com/v1/data_sources/{data_source_id}/query" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{
    "filter": {"property": "Status", "select": {"equals": "Active"}},
    "sorts": [{"property": "Date", "direction": "descending"}]
  }'

Create a Database

bash
curl -s -X POST "https://api.notion.com/v1/data_sources" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{
    "parent": {"page_id": "xxx"},
    "title": [{"text": {"content": "My Database"}}],
    "properties": {
      "Name": {"title": {}},
      "Status": {"select": {"options": [{"name": "Todo"}, {"name": "Done"}]}},
      "Date": {"date": {}}
    }
  }'

Update Page Properties

bash
curl -s -X PATCH "https://api.notion.com/v1/pages/{page_id}" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{"properties": {"Status": {"select": {"name": "Done"}}}}'

Add Content to a Page

bash
curl -s -X PATCH "https://api.notion.com/v1/blocks/{page_id}/children" \
  -H "Authorization: Bearer $NOTION_API_KEY" \
  -H "Notion-Version: 2025-09-03" \
  -H "Content-Type: application/json" \
  -d '{
    "children": [
      {"object": "block", "type": "paragraph", "paragraph": {"rich_text": [{"text": {"content": "Hello from Hermes!"}}]}}
    ]
  }'

Property Types

Common property formats for database items:

  • Title: {"title": [{"text": {"content": "..."}}]}
  • Rich text: {"rich_text": [{"text": {"content": "..."}}]}
  • Select: {"select": {"name": "Option"}}
  • Multi-select: {"multi_select": [{"name": "A"}, {"name": "B"}]}
  • Date: {"date": {"start": "2026-01-15", "end": "2026-01-16"}}
  • Checkbox: {"checkbox": true}
  • Number: {"number": 42}
  • URL: {"url": "https://..."}
  • Email: {"email": "user@example.com"}
  • Relation: {"relation": [{"id": "page_id"}]}

Key Differences in API Version 2025-09-03

  • Databases → Data Sources: Use /data_sources/ endpoints for queries and retrieval
  • Two IDs: Each database has both a database_id and a data_source_id
    • Use database_id when creating pages (parent: {"database_id": "..."})
    • Use data_source_id when querying (POST /v1/data_sources/{id}/query)
  • Search results: Databases return as "object": "data_source" with their data_source_id

Notes

  • Page/database IDs are UUIDs (with or without dashes)
  • Rate limit: ~3 requests/second average
  • The API cannot set database view filters — that's UI-only
  • Use is_inline: true when creating data sources to embed them in pages
  • Add -s flag to curl to suppress progress bars (cleaner output for Hermes)
  • Pipe output through jq for readable JSON: ... | jq '.results[0].properties'

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