hermes-agent/optional-skills/productivity/canvas/SKILL.md
Teknium db22efbe88 feat(optional-skills): declare platforms frontmatter for all 63 undeclared skills
Extends the Windows-gating work to the optional-skills/ tree. Every
SKILL.md that previously omitted the platforms: field now carries an
explicit declaration, which Hermes's loader (agent.skill_utils.
skill_matches_platform) honors to skip-load on incompatible OSes.

58 skills declared cross-platform (platforms: [linux, macos, windows]):
  autonomous-ai-agents/blackbox, autonomous-ai-agents/honcho
  blockchain/base, blockchain/solana
  communication/one-three-one-rule
  creative/blender-mcp, creative/concept-diagrams, creative/hyperframes,
  creative/kanban-video-orchestrator, creative/meme-generation
  devops/cli (inference-sh-cli), devops/docker-management
  dogfood/adversarial-ux-test
  email/agentmail
  finance/3-statement-model, finance/comps-analysis, finance/dcf-model,
  finance/excel-author, finance/lbo-model, finance/merger-model,
  finance/pptx-author
  health/fitness-nutrition, health/neuroskill-bci
  mcp/fastmcp, mcp/mcporter
  migration/openclaw-migration
  mlops/accelerate, mlops/chroma, mlops/clip, mlops/guidance,
  mlops/hermes-atropos-environments, mlops/huggingface-tokenizers,
  mlops/instructor, mlops/lambda-labs, mlops/llava, mlops/modal,
  mlops/peft, mlops/pinecone, mlops/pytorch-lightning, mlops/qdrant,
  mlops/saelens, mlops/simpo, mlops/stable-diffusion
  productivity/canvas, productivity/shop-app, productivity/shopify,
  productivity/siyuan, productivity/telephony
  research/domain-intel, research/drug-discovery, research/duckduckgo-search,
  research/gitnexus-explorer, research/parallel-cli, research/scrapling
  security/1password, security/oss-forensics, security/sherlock
  web-development/page-agent

5 skills gated from Windows (platforms: [linux, macos]):
  mlops/flash-attention   - Flash Attention wheels are Linux-first; Windows
                            install requires building from source with CUDA
  mlops/faiss             - faiss-gpu has no Windows wheel; gate rather than
                            leak partial (faiss-cpu) support
  mlops/nemo-curator      - NVIDIA NeMo ecosystem has no first-class Windows path
  mlops/slime             - Megatron+SGLang RL stack is Linux-only in practice
  mlops/whisper           - openai-whisper + ffmpeg setup on Windows is
                            non-trivial; gate until Windows install stanza lands

Methodology: scanned every SKILL.md for Windows-hostile signals
(apt-get, brew, systemd, osascript, ptrace, X11 binaries, POSIX-only
Python APIs, Docker POSIX $(pwd) bind-mounts, explicit 'linux-only' /
'macos-only' text). 3 skills flagged as having hard signals on review:
docker-management and qdrant only had POSIX $(pwd) docker examples and
the tools themselves (Docker Desktop, Qdrant) run fine on Windows —
declared ALL. whisper had an apt/brew ffmpeg install path and nothing
else but the openai-whisper Windows install story is rough enough to
warrant gating.

Strict-over-lenient policy: when in doubt, gate. Easier to un-gate after
verified Windows support lands than to leak partial support that
manifests as mid-task failures for Windows users.
2026-05-08 14:27:40 -07:00

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Markdown

---
name: canvas
description: Canvas LMS integration — fetch enrolled courses and assignments using API token authentication.
version: 1.0.0
author: community
license: MIT
platforms: [linux, macos, windows]
prerequisites:
env_vars: [CANVAS_API_TOKEN, CANVAS_BASE_URL]
metadata:
hermes:
tags: [Canvas, LMS, Education, Courses, Assignments]
---
# 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 |