modbender Deckrun Free PDF Generator
Converts Deckrun Markdown into a 16:9 PDF slide deck. No account or API key required. Returns a public PDF URL valid for 90 days.
Endpoint
POST https://free.agenticdecks.com/free/generate
Content-Type: application/json
Request
{
"markdown": "<Deckrun Markdown>",
"schema_version": "deckrun.v1"
}
Response
{
"url": "https://storage.googleapis.com/.../deck.pdf",
"slug": "abc123",
"slides": 6,
"warnings": [],
"schema_version": "deckrun.v1"
}
Slide format
Fetch the live format spec before writing Markdown:
GET https://agenticdecks.com/schemas/v1/deckrun-slide-format.schema.json
Key rules:
- Slides are separated by
---on its own line - First slide must use
<!-- <title-slide /> --> - All other slides use
<!-- <title-content-slide /> -->or another layout tag - Title slide heading is
#(H1); all other slide headings are##(H2) - Maximum 10 slides, 50 KB Markdown
Example
<!-- <title-slide /> -->
# Quantum Computing Today
Prepared by AI
---
<!-- <title-content-slide /> -->
## What is Quantum Computing?
- Uses quantum bits (qubits) instead of classical bits
- Exploits superposition and entanglement
- Exponential speedup for certain problem classes
Constraints
| Limit | Value |
|---|---|
| Max slides | 10 |
| Max Markdown size | 50 KB |
| PDF expiry | 90 days |
| Watermark | Required (free tier) |
| Auth | None |
Links
- OpenAPI spec: https://free.agenticdecks.com/.well-known/openapi.yaml
- Slide format schema: https://agenticdecks.com/schemas/v1/deckrun-slide-format.schema.json
- MCP server (Claude Desktop / Cursor): https://smithery.ai/servers/agenticdecks/deckrun-free
- Web UI: https://free.agenticdecks.com