A side-by-side look at the Nobleblocks MCP and Scholar MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Nobleblocks MCP for research work as a local process; choose Scholar MCP Server for research as a local process. You can also run both side by side in one mcpServers block.
NOBLEBLOCKS_API_KEY.search_papers, get_paper, find_similar.search_papers, get_paper, get_author.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Research | Research |
| Quality signal | 48/100 · Fair | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | NOBLEBLOCKS_API_KEY | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 2 |
| Directory activity | 2 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 6 | 27 |
| Full listing | View Nobleblocks MCP | View Scholar MCP Server |
search_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)search_papersFull-text search with year, venue, field-of-study, and citation-count filters. Returns up to 100 results with pagination.get_paperFetch full metadata for a single paper by DOI, S2 ID, arXiv ID, ACM ID, or PubMed ID.get_authorFetch author profile with publications, or search by name.get_citationsForward citations (papers that cite a given paper) with optional filters.get_referencesBackward references (papers cited by a given paper).get_citation_graphBFS traversal from seed papers, returning nodes + edges up to configurable depth.find_bridge_papersShortest citation path between two papers.recommend_papersPaper recommendations from 1 to 5 positive examples and optional negative examples.generate_citationsGenerate BibTeX, CSL-JSON, or RIS citations for up to 100 papers, with automatic entry type inference and optional OpenAlex venue enrichment.enrich_paperAugment Semantic Scholar metadata with OpenAlex fields (affiliations, funders, OA status, concepts).search_patentsSearch patents across 100+ patent offices via EPO OPS with CPC / applicant / inventor / jurisdiction / date filters.get_patentFetch bibliographic / claims / description / family / legal / citations sections for a single patent by publication number. Citations include NPL-to-paper resolution via Semantic Scholar.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": {
"nobleblocks-mcp": {
"command": "uvx",
"args": [
"nobleblocks-mcp"
],
"env": {
"NOBLEBLOCKS_API_KEY": "YOUR_NOBLEBLOCKS_API_KEY_HERE"
}
}
}
}
{
"mcpServers": {
"scholar-mcp-server": {
"command": "uvx",
"args": [
"pvliesdonk-scholar-mcp"
]
}
}
}