A side-by-side look at the Lune Research and Nobleblocks MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Lune Research for research work as a local process; choose Nobleblocks MCP for research. You can also run both side by side in one mcpServers block.
LUNE_API_KEY.search_papers, search_papers_many, search_related_papers.NOBLEBLOCKS_API_KEY.search_papers, get_paper, find_similar.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Research | Research |
| Quality signal | 53/100 · Good | 41/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | LUNE_API_KEY | NOBLEBLOCKS_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 4 | 1 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 12 | 6 |
| Full listing | View Lune Research | View Nobleblocks MCP |
search_papersHybrid vector + BM25 search over the corpussearch_papers_manyMany query variants in one call, merged by reciprocal rank fusionsearch_related_papersThe nearest neighbors of a paper you already havelist_conferencesIndexed venues, optionally filtered by categoryget_conference_papersOne venue's papers, paginatedget_paper_fulltextParsed full text, as markdown or JSONget_paper_citationsThe citation graph, in either directionextract_from_papersPull the same structured fields out of a set of papersverify_claimsCheck each claim against the corpus, with a verbatim quote when one existsgather_evidenceJudge whether the evidence is sufficient yet, and name what is missingsearch_research_guidanceThe curated methodology and reproducibility corpusget_research_guidance_docThe full text of one guidance documentsearch_papersFull-text + semantic hybrid search with year/citation/source filtersget_paperFetch metadata by DOI, PMID, arXiv ID, or OpenAlex IDfind_similarFind papers related by meaning, not just keyword matchingget_citation_graphCitation network — references and citing paperssearch_by_entityFind papers linked to a gene, drug, disease, or institution via the KGcreate_literature_reviewAI-generated structured lit review with citations (Pro)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.
{
"mcpServers": {
"lune-research-2": {
"command": "npx",
"args": [
"-y",
"@retrograde-labs/lune-mcp-server"
],
"env": {
"LUNE_API_KEY": "YOUR_LUNE_API_KEY_HERE"
}
}
}
}
No confirmed install command for Nobleblocks MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.