Lacuna Research MCP alternatives

1

Socraticode

by giancarloerra

C

MCP server for enterprise local codebase indexing, semantic search, and code dependency graphs.

2

Google Maps MCP Server

by cablate

B

18 Google Maps tools for AI agents — geocode, search, directions, weather, and more.

3

Octocode

by Muvon

A

AI-powered code indexer with semantic search and knowledge graphs

4

Zotero MCP

by 54yyyu

C

Search, read, annotate, and add to your Zotero research library, local or web.

5

Link

by gowtham0992

A

Local personal memory for agents as MCP tools — remember, recall, search, context, graph traversal.

6

Eur Lex

by cyanheads

A

Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.

7

Arxiv

by cyanheads

A

Search arXiv, fetch paper metadata, and read full-text content.

Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

9

Octobrain

by Muvon

A

Persistent memory for AI assistants with semantic search and knowledge graph relationships.

10

Junê

by Junemind

B

Shared, cited knowledge-graph memory for agents — ask, search, remember, keep standing instructions

11

Books & Papers MCP Server

by jmrplens

A

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Token-efficient code review knowledge graph: semantic search and call-graph resolution.

Cross-tool decision memory for AI coding agents: search your decision graph, check changes over MCP.

14

Naumu

by naumu.ai

A

Search, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.

Tock (exploretock.com): discover restaurants, search a city, get venue details and availability.

Etix event discovery for Claude — search events, venues & performers and fetch event details