"Arc" matching MCP servers:

• 

  ArcadeDB Multi-Model DBMSofficial

  ArcadeData

  A

  license

  A

  quality

  A

  maintenance

  ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

  Last updated 2026-07-27

  10

  1,045

  Apache 2.0

• arcana-mcp

  samelie

  A

  license

  A

  quality

  C

  maintenance

  Semantic vector DB as an MCP server for Claude Code — SQLite + FTS5 + local ONNX embeddings. Gives Claude persistent, searchable project knowledge across conversations.

  Last updated 2026-03-20

  12

  MIT

• Arca MCP

  m0nochr0me

  A

  license

  -

  quality

  B

  maintenance

  An MCP server providing semantic memory storage and retrieval using vector embeddings powered by LanceDB and Google Gemini. It supports multi-tenant isolation and bucket-based organization for managing structured memories through natural language queries.

  Last updated 2026-07-14

  MIT

• SRC (Structured Repo Context)

  kvnpetit

  A

  license

  A

  quality

  C

  maintenance

  An MCP server and CLI tool that transforms codebases into AI-ready context through semantic search, call graph analysis, and incremental indexing. It enables AI assistants to perform hybrid vector and keyword searches to understand complex repository structures and cross-file relationships.

  Last updated 2026-02-27

  5

  14

  1

  MIT

• Outlook MCP

  dongwoosuk

  A

  license

  -

  quality

  C

  maintenance

  Enables semantic search and AI-powered analysis of Outlook emails using RAG-based natural language queries and Vision AI for architectural documents, with specialized support for AEC workflows.

  Last updated 2026-05-27

  MIT

• Enhanced Memory MCP Server

  marc-shade

  A

  license

  -

  quality

  D

  maintenance

  A high-performance memory management system for AI agents with 200+ tools including 4-tier memory architecture, advanced RAG pipeline, and Git-like versioning.

  Last updated 2026-04-06

  MIT

• engram

  raya-ac

  A

  license

  -

  quality

  C

  maintenance

  A cognitive memory system for MCP that provides hybrid retrieval, memory layers, entity graph, and 83 tools for recall, remember, codebase scanning, and more.

  Last updated 2026-04-23

  2

  MIT

• Semiconductor Component RAG

  chakradharkalle03-arch

  F

  license

  -

  quality

  D

  maintenance

  Enables semantic search and question-answering over semiconductor component data stored in Excel files using ChromaDB vector database and HuggingFace language models through a RAG pipeline.

  Last updated 2025-11-20

• Custom Elasticsearch MCP

  M0-AR

  F

  license

  -

  quality

  D

  maintenance

  A high-performance MCP server that connects tools like Cursor to Elasticsearch clusters using public-key authorization instead of API keys. It provides optimized tools for searching data, listing indices, and inspecting cluster mappings or shards with support for concurrent requests.

  Last updated 2026-01-15

• RevenueCat to Adapty Migration

  ferrousguy

  -

  license

  -

  quality

  -

  maintenance

  A Model Context Protocol server that helps users migrate subscription businesses from RevenueCat to Adapty through natural language interactions with LLMs like Claude Desktop.

  Last updated 2025-06-30