canvas

Included with Lifetime

$97 forever

Canvas LMS integration — fetch enrolled courses and assignments using API token authentication.

Backend & APIsscripts

What this skill does


# Canvas LMS — Course & Assignment Access

Read-only access to Canvas LMS for listing courses and assignments.

## Scripts

- `scripts/canvas_api.py` — Python CLI for Canvas API calls

## Setup

1. Log in to your Canvas instance in a browser
2. Go to **Account → Settings** (click your profile icon, then Settings)
3. Scroll to **Approved Integrations** and click **+ New Access Token**
4. Name the token (e.g., "Hermes Agent"), set an optional expiry, and click **Generate Token**
5. Copy the token and add to `~/.hermes/.env`:

```
CANVAS_API_TOKEN=your_token_here
CANVAS_BASE_URL=https://yourschool.instructure.com
```

The base URL is whatever appears in your browser when you're logged into Canvas (no trailing slash).

## Usage

```bash
CANVAS="python $HERMES_HOME/skills/productivity/canvas/scripts/canvas_api.py"

# List all active courses
$CANVAS list_courses --enrollment-state active

# List all courses (any state)
$CANVAS list_courses

# List assignments for a specific course
$CANVAS list_assignments 12345

# List assignments ordered by due date
$CANVAS list_assignments 12345 --order-by due_at
```

## Output Format

**list_courses** returns:
```json
[{"id": 12345, "name": "Intro to CS", "course_code": "CS101", "workflow_state": "available", "start_at": "...", "end_at": "..."}]
```

**list_assignments** returns:
```json
[{"id": 67890, "name": "Homework 1", "due_at": "2025-02-15T23:59:00Z", "points_possible": 100, "submission_types": ["online_upload"], "html_url": "...", "description": "...", "course_id": 12345}]
```

Note: Assignment descriptions are truncated to 500 characters. The `html_url` field links to the full assignment page in Canvas.

## API Reference (curl)

```bash
# List courses
curl -s -H "Authorization: Bearer $CANVAS_API_TOKEN" \
  "$CANVAS_BASE_URL/api/v1/courses?enrollment_state=active&per_page=10"

# List assignments for a course
curl -s -H "Authorization: Bearer $CANVAS_API_TOKEN" \
  "$CANVAS_BASE_URL/api/v1/courses/COURSE_ID/assignments?per_page=10&order_by=due_at"
```

Canvas uses `Link` headers for pagination. The Python script handles pagination automatically.

## Rules

- This skill is **read-only** — it only fetches data, never modifies courses or assignments
- On first use, verify auth by running `$CANVAS list_courses` — if it fails with 401, guide the user through setup
- Canvas rate-limits to ~700 requests per 10 minutes; check `X-Rate-Limit-Remaining` header if hitting limits

## Troubleshooting

| Problem | Fix |
|---------|-----|
| 401 Unauthorized | Token invalid or expired — regenerate in Canvas Settings |
| 403 Forbidden | Token lacks permission for this course |
| Empty course list | Try `--enrollment-state active` or omit the flag to see all states |
| Wrong institution | Verify `CANVAS_BASE_URL` matches the URL in your browser |
| Timeout errors | Check network connectivity to your Canvas instance |

Files: 2

Size: 8.2 KB

Complexity: 32/100

Category: Backend & APIs

Source: https://github.com/nousresearch/hermes-agent/tree/main/optional-skills/productivity/canvas

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