Calypso Multimodal RAG MCP vs Document corpus
Calypso Multimodal RAG MCP is an MCP server published by calypso-so. Marketplaces we read that list it: 1 (Official MCP Registry). Document corpus is an MCP server published by jorgell23-sys. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-11-05. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Calypso Multimodal RAG MCP |  Document corpus |
|---|---|---|
| Official MCP Registry | Listed Version: 3.0.0 Downloads/month (npm): 239 Downloads/week (npm): 34 Forks (GitHub): 0 Stars (GitHub): 2 Not marked · First seen |
Listed Version: 1.31.0 Downloads/month (PyPI): 3 036 Downloads/week (PyPI): 327 Forks (GitHub): 0 Stars (GitHub): 2 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | Calypso Multimodal RAG MCP | Document corpus |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) | 2 | 2 |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (@calypsohq/multimodal-rag-mcp-server) | On your machine (mdcx) |
| Transport | stdio | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | 2, secrets among them: 1 | 2, secrets among them: 1 |
| Licence | Not stated | Not stated |
| Repository (differs) | github.com/calypso-so/calypso-mcp-server | github.com/jorgell23-sys/mdcx |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
Calypso Multimodal RAG MCP
Calypso multimodal RAG for grounded answers from docs, images, charts, and knowledge.
Document corpus
Query a verified document collection: passages that answer a question, with their source.
How to run each
Calypso Multimodal RAG MCP As a local MCP server: npm package
claude mcp add --env "CALYPSO_API_KEY=<YOUR_CALYPSO_API_KEY>" --transport stdio multimodal-rag-mcp-server -- npx -y @calypsohq/multimodal-rag-mcp-serverRequires: CALYPSO_API_KEY (secret)
Document corpus As a local MCP server: PyPI package
claude mcp add --env "MDCX_FILE=<YOUR_MDCX_FILE>" --env "MDCX_KEY=<YOUR_MDCX_KEY>" --transport stdio markdown-document-search -- uvx mdcx -m mdcx.mcp_serverRequires: MDCX_FILE, MDCX_KEY (secret)
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Only Calypso Multimodal RAG MCP asks for
CALYPSO_API_BASE_URLCALYPSO_API_KEY (secret)
Only Document corpus asks for
MDCX_FILEMDCX_KEY (secret)
Settings as each marketplace publishes them. Asking for fewer is not better in itself.
What it can do: Calypso Multimodal RAG MCP · What it can do: Document corpus · Compare two other plugins
Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.