ESG Hub MCP Server alternatives

Local-first AI memory with knowledge graphs and hybrid search. 17+ AI tools via MCP. Free.

2

Reverie

by knowall.ai

B

Graph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search

3

DocsMint

by HiAi-gg

A

Cloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.

4

Octocode

by Muvon

A

AI-powered code indexer with semantic search and knowledge graphs

5

Sui Knowledge Base (kapa.ai)

by jessiemongeon1

A

Semantic search across Sui documentation and knowledge sources, powered by kapa.ai

6

Link

by gowtham0992

A

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

7

Shodh Memory

by varun29ankuS

C

Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.

8

Octobrain

by Muvon

A

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

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

10

Socraticode

by giancarloerra

B

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

11

Arxiv

by blazickjp

A

Search arXiv papers, download full text, semantic search, citation graphs, and alerts via MCP.

Local-first memory — 100+ tools, 99.2% LongMemEval-S retrieval@10, hybrid search, GDPR, no cloud.

13

Eur Lex

by cyanheads

A

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

14

Markdown Vault MCP

by pvliesdonk

B

Generic markdown vault MCP with hybrid search

Persistent AI memory with hybrid search and embedded sync. Open, free, unlimited.

16

Sverklo

by sverklo

C

Local-first MCP code intelligence: 37 tools — hybrid search, blast-radius, diff review, memory.

17

Tenjin

by tenjin.blog

B

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.