"Node-RED" matching MCP servers:

• elk-mcp

  cocrates

  A

  license

  A

  quality

  C

  maintenance

  A graph layout server that computes node coordinates and edge paths from structure using elkjs, enabling agents to offload layout calculations without rendering.

  Updated 15 days ago (2026-07-28 14:28 UTC)

  5

  19

  Apache 2.0
• 

  Crude Code MCP Serverofficial

  crude-code

  A

  license

  -

  quality

  B

  maintenance

  An oil & gas data-analytics MCP server that enables guarded SQL queries, well valuation, and map rendering within chat apps.

  Updated 21 hours ago (2026-08-11 20:17 UTC)

  4

  Apache 2.0

• excel-mcp-server

  shmaxi

  A

  license

  -

  quality

  D

  maintenance

  Enables manipulation of Excel files including creating, reading, writing data, formatting, charts, pivot tables, and worksheet management via natural language.

  Updated a year ago (2025-05-27 09:11 UTC)

  16

  MIT

• code-visualizer-mcp

  vishwavinayak

  A

  license

  -

  quality

  B

  maintenance

  An MCP server that generates Excalidraw diagrams to visualize algorithm execution step-by-step, supporting multiple data structures and integration with AI assistants.

  Updated 12 days ago (2026-07-31 14:48 UTC)

  MIT

• mcp-drawio-server

  marcelovillanuevam-code

  F

  license

  A

  quality

  C

  maintenance

  Turns relational schemas into editable entity-relationship diagrams in draw.io, supporting live databases, SQL DDL, YAML/JSON specs, and existing .drawio files, with tools for managing tables, columns, and relations.

  Updated 3 days ago (2026-08-09 06:03 UTC)

  16