"Graph Visualization Tools for Nodes and Edges" matching MCP servers:

• Graph-Tools

  dromologue

  F

  license

  -

  quality

  D

  maintenance

  Provides tools for AI-powered graph analysis, including relationship extraction, adjacency matrix creation, and network centrality calculations. It enables users to perform complex structural analysis and generate interactive D3.js visualizations from structured data.

  Last updated 2025-06-21

• Graph

  Graph-tl

  A

  license

  -

  quality

  B

  maintenance

  An MCP server that gives your agent a persistent project brain: vision, architecture decisions, conventions, roadmaps, and automatic session handoff.

  Last updated 2026-03-04

  15

  7

  MIT

• MCP Data Visualization Server

  xoniks

  A

  license

  -

  quality

  F

  maintenance

  Enables creating interactive data visualizations from natural language queries using DuckDB for local databases or Databricks for enterprise data warehouses. Supports multiple chart types, CSV imports, SQL queries, and automatic statistical analysis through Claude Desktop.

  Last updated 2025-06-27

  19

  MIT

• jam-nodes-docs-mcp

  KNQuoc

  A

  license

  -

  quality

  D

  maintenance

  Enables AI agents to search and retrieve jam-nodes documentation, including node info, API references, and guides, via MCP tools without loading everything into context.

  Last updated 2026-02-15

  1

  MIT

• n8n Community Nodes MCP Server

  dalisys

  A

  license

  -

  quality

  D

  maintenance

  This MCP server enables users to search and access documentation for community-developed n8n nodes and official built-in nodes. It provides token-optimized responses for discovering n8n packages and documentation directly through AI assistants.

  Last updated 2026-02-08

  6

  MIT

• Watsonx Visualization MCP

  tdognin

  A

  license

  -

  quality

  D

  maintenance

  Provides automated data visualization and analysis tools that intelligently select from over 40 chart types based on data structure and patterns. It enables users to generate statistical insights, interactive dashboards, and professional reports in HTML, PNG, and Word formats.

  Last updated 2026-03-23

  MIT

• Graph-Memory

  stevepridemore

  A

  license

  A

  quality

  A

  maintenance

  Self-hosted personal knowledge graph for Claude that persists across sessions, devices, and tools. Built on Neo4j with local semantic embeddings; OAuth 2.1 lets Claude Code, Claude Desktop, and claude.ai web all hit the same graph.

  Last updated 2026-05-17

  23

  62

  2

  MIT

• procurement-graph

  mfbaig35r

  A

  license

  A

  quality

  B

  maintenance

  Exposes a dependency graph of strategic sourcing artifacts and analyses as an MCP server, enabling navigation of phases, analyses, deliverables, and graph traversal for impact analysis and build order.

  Last updated 2026-06-08

  16

  Apache 2.0

• Elasticsearch Knowledge Graph

  j3k0

  A

  license

  B

  quality

  D

  maintenance

  Provides a scalable knowledge graph implementation for Model Context Protocol using Elasticsearch, enabling AI models to store and query information with advanced search capabilities, memory-like behavior, and multi-zone architecture.

  Last updated 2026-04-01

  20

  14

  20

  MIT

• erlik-graph

  malkreide

  A

  license

  -

  quality

  B

  maintenance

  Enables LLMs to perform OSINT link-analysis by exposing transforms (DNS, WHOIS, Shodan, etc.) as MCP tools for autonomous investigation and graph enrichment.

  Last updated 2026-07-13

  MIT

• sf-graph

  nwant

  A

  license

  -

  quality

  D

  maintenance

  Maps Salesforce metadata into a Neo4j graph database, enabling AI agents to reason about schema and generate accurate SOQL queries.

  Last updated 2026-01-19

  MIT

• Mathematical-Visualization

  xiaobenyang-com

  A

  license

  -

  quality

  D

  maintenance

  The MCP protocol server based on JSXGraph provides 13 mathematical visualization tools suitable for educational mathematics, engineering, and scientific applications.

  Last updated 2026-01-09

  3

  Apache 2.0

• claude-graph

  mohansagark

  A

  license

  -

  quality

  A

  maintenance

  A local knowledge graph of your codebase for Claude Code on macOS, exposing structural data via MCP tools for querying calls, imports, test coverage, and impact analysis.

  Last updated 2026-07-10

  MIT

• Graph RAG MCP Server for

  saselvan

  A

  license

  -

  quality

  D

  maintenance

  A local-first Graph-RAG system combining ChromaDB with metadata-based graph relationships and Gemini 2.5 Flash for intelligent Q&A over Obsidian vaults, supporting MCP clients like Claude Desktop, Cursor, and Raycast.

  Last updated 2026-02-03

  MIT

• mem-graph

  GoVanAI

  A

  license

  -

  quality

  B

  maintenance

  Graph-relational memory MCP server for persistent LLM memory, featuring wikilinks, BM25 auto-linking, spreading activation, and synaptic decay across five memory layers.

  Last updated 2026-07-04

  MIT

• MCP Tools for Obsidian

  jacksteamdev

  A

  license

  -

  quality

  F

  maintenance

  A local MCP server that enables AI applications like Claude Desktop to securely access and work with Obsidian vaults, providing capabilities for reading notes, executing templates, and performing semantic searches.

  Last updated 2026-05-13

  832

  MIT

• Conductor Graph MCP Server

  base76-research-lab

  A

  license

  -

  quality

  D

  maintenance

  Exposes a CognOS agent system as a machine-readable JSON graph, enabling Claude to get a full system snapshot and inspect node status, edges, and blocked nodes.

  Last updated 2026-03-03

  MIT

• md-graph

  LZMW

  F

  license

  -

  quality

  A

  maintenance

  MCP server that enables full-text search and link navigation over Markdown files as a knowledge graph.

  Last updated 2026-06-04

• KARP Graph Lite

  souldriver007

  F

  license

  -

  quality

  C

  maintenance

  Provides Claude Desktop with persistent, structured memory and semantic search via a local SQLite knowledge graph, plus a web UI for visualization and management.

  Last updated 2026-02-27

• mcp-knowledge-graph

  shaneholloman

  A

  license

  A

  quality

  C

  maintenance

  An improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.

  Last updated 2026-05-29

  6

  10

  345

  875

  MIT