OpenArx vs MCP Zenml
A side-by-side look at the OpenArx and MCP Zenml MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose OpenArx for cloud platforms work over a hosted endpoint; choose MCP Zenml for cloud platforms over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose OpenArx when
- You need dedicated capabilities in the Cloud Platforms domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
search, search_keyword, search_semantic.
Choose MCP Zenml when
- You need dedicated capabilities in the Cloud Platforms domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
ZENML_MCP_PROFILE, ZENML_MCP_WRITE_POLICY, ZENML_MCP_READ_ONLY. - You want tools like
zenml_describe_resources, zenml_list_resources, zenml_get_resource.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Cloud Platforms | Cloud Platforms |
| Quality signal | 52/100 · Good | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Remote HTTP/SSE |
| Auth | Not declared | API key required |
| Pricing | Not declared | Free |
| Required env vars | None listed | ZENML_MCP_PROFILEZENML_MCP_WRITE_POLICYZENML_MCP_READ_ONLY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 8 | 49 |
| Directory activity | 0 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 35 | 7 |
| Full listing | View OpenArx | View MCP Zenml |
Tools & capabilities
OpenArx tools 35
searchHybrid semantic and keyword search across scientific papers.search_keywordPure keyword (BM25) search, fastest option for exact-term lookups.search_semanticPure vector search, best for paraphrased queries and concept exploration.find_relatedFind related papers by similarity, by entity, or by concept.paginateContinue a previous search from its cached candidate pool instead of re-running it.find_evidenceCheck a claim against the corpus and group passages by what supports, contradicts, or is neutral.compare_papersSide-by-side comparison of several papers.explore_topicMap the conceptual landscape around a topic across the paper corpus.find_methodologyFind methodology approaches for a specific research task.find_benchmark_resultsQuery structured benchmark scores from papers.find_codeFind papers with associated code repositories, datasets, or benchmark results.get_documentRetrieve full paper details by ID.- +23 more on the listing page
MCP Zenml tools 7
zenml_describe_resourcesDiscover supported resource types and bounded operation schemaszenml_list_resourcesList one resource type with validated filters and paginationzenml_get_resourceGet one resource, with parent and project scope where requiredzenml_create_resourceCreate a supported resource from a typed payloadzenml_update_resourceUpdate one exact resource UUIDzenml_delete_resourceDelete or archive one exact resource UUIDzenml_action_resourceRun an allowlisted lifecycle or relation action without retries
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
OpenArx
{
"mcpServers": {
"openarx": {
"url": "https://mcp.openarx.ai/researcher/mcp"
}
}
}
MCP Zenml
{
"mcpServers": {
"zenml-io-mcp-zenml": {
"url": "https://mcp.example.com/mcp"
}
}
}
Frequently asked questions
OpenArx is categorized under Cloud Platforms and uses a remote HTTP/SSE transport. MCP Zenml belongs to Cloud Platforms and uses a remote HTTP/SSE transport. Pick OpenArx for cloud platforms work and MCP Zenml for cloud platforms.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
OpenArx has no declared pricing — check the project's own site. MCP Zenml is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add openarx and zenml-io-mcp-zenml as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, OpenArx has a quality signal of 52/100 (Good) with 0 views, 0 installs and 8 GitHub stars. MCP Zenml has 56/100 (Good) with 1 views, 0 installs and 49 GitHub stars.