"Understanding and Exploring Open JAR Libraries" matching MCP servers:

• swiss-academic-libraries-mcp

  malkreide

  A

  license

  A

  quality

  B

  maintenance

  Enables AI models to search and retrieve bibliographic and digitized records from Swiss academic libraries (swisscovery, e-rara, e-periodica, e-manuscripta) via open protocols without requiring API keys.

  Last updated 2026-06-08

  11

  1

  MIT

• open-agreements

  open-agreements

  A

  license

  A

  quality

  B

  maintenance

  Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment, cloud terms) and produce DOCX files.

  Last updated 2026-06-12

  3

  478

  36

  MIT

• Code Understanding MCP Server

  codingthefuturewithai

  -

  license

  -

  quality

  -

  maintenance

  An MCP server that analyzes local or remote GitHub repositories, providing intelligent code context and structure to AI coding assistants.

  Last updated 2025-12-23

  13

• Open Kioku

  shivyadavus

  F

  license

  B

  quality

  B

  maintenance

  Open Kioku is the local-first code intelligence and evidence layer for AI coding agents (Claude, Cursor, Codex, Zed, and other MCP clients). Instead of letting agents blindly crawl files, guess blast radius, or read the entire repository repeatedly, Open Kioku gives them a precise, pre-indexed code index to build evidence-backed plans before they edit, and verify boundary limits after they edit.

  Last updated 2026-06-12

  8

  45

  2

• Open Stocks MCP

  Open-Agent-Tools

  A

  license

  C

  quality

  A

  maintenance

  An MCP server providing stock market data and trading capabilities through multiple broker APIs including Robinhood and Schwab.

  Last updated 2026-05-28

  100

  9

  Apache 2.0

• Open MCP

  metacode0602

  A

  license

  -

  quality

  D

  maintenance

  An open-source Model Context Protocol application management platform that allows users to create applications from GitHub repositories with automatic information extraction and database integration.

  Last updated 2026-03-03

  19

  2

  MIT

• Open Helplines

  Kouki-odaka

  -

  license

  -

  quality

  C

  maintenance

  CC0 open-data registry of community support helplines worldwide. TypeScript MCP server providing verified contacts with citation, staleness, and country-context guardrails. 15+ countries indexed.

  Last updated 2026-06-07

• open-museum-mcp

  cfpramod

  A

  license

  A

  quality

  A

  maintenance

  Federated, license-verified search across open-access museum collections — currently The Met, Cleveland, AIC, Wikimedia Commons, and Europeana, with more being added. Strict-default-deny rights gate accepts only CC0 / Public Domain Mark, returning reuse-safe artwork with citations in three styles.

  Last updated 2026-06-10

  5

  24

  6

  MIT

• open-context

  incu6us

  A

  license

  A

  quality

  B

  maintenance

  A high-performance MCP server providing up-to-date documentation for Go, npm, Python, Rust, Docker, Kubernetes, Terraform, and more — fetched from official sources, not training data.

  Last updated 2026-03-25

  18

  3

  MIT
• 

  Hong Kong Open Data MCP Serverofficial

  mcp-open-data-hk

  A

  license

  A

  quality

  C

  maintenance

  Enables access to Hong Kong government's official open data portal (DATA.GOV.HK) through natural language queries. Supports searching datasets, browsing categories, and retrieving detailed information about Hong Kong's public data resources.

  Last updated 2025-08-14

  8

  6

  MIT

• open-ontologies

  fabio-rovai

  A

  license

  A

  quality

  A

  maintenance

  AI-native ontology engineering MCP server for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.

  Last updated 2026-05-29

  42

  128

  MIT

• open-webSearch

  Aas-ee

  A

  license

  A

  quality

  A

  maintenance

  Web search using free multi-engine search (NO API KEYS REQUIRED) — Supports Bing, Baidu, DuckDuckGo, Brave, Exa, and CSDN.

  Last updated 2026-05-16

  5

  4,102

  1,323

  Apache 2.0

• mcp-open-library

  8enSmith

  A

  license

  A

  quality

  A

  maintenance

  A Model Context Protocol (MCP) server for the Open Library API that enables AI assistants to search for book information.

  Last updated 2026-04-22

  6

  21

  74

  MIT

• open-docs-mcp

  askme765cs

  A

  license

  B

  quality

  C

  maintenance

  An open-source MCP implementation providing document management functionality. This project aims to replicate Cursor's @Docs functionality.

  Last updated 2025-04-08

  8

  46

  18

  MIT

• Open Notebook MCP Server

  Epochal-dev

  A

  license

  B

  quality

  F

  maintenance

  Enables AI assistants to manage notebooks, sources, notes, search content, and interact with AI models through Open Notebook.

  Last updated 2025-12-22

  33

  30

  MIT

• Open-Brain

  Bobby-cell-commits

  A

  license

  B

  quality

  B

  maintenance

  Personal knowledge graph with 16 MCP tools. Auto-links, deduplicates, tracks themes, synthesizes insights.

  Last updated 2026-04-17

  17

  9

  MIT

• Open MCP Server

  ishuru

  F

  license

  C

  quality

  -

  maintenance

  A modular productivity automation server providing reusable prompt templates, composable skills, and multi-step workflows for tasks like daily planning, code review, document summarization, and project management.

  Last updated 2025-12-30

  19

  1
• 

  open-edisonofficial

  Edison-Watch

  A

  license

  -

  quality

  D

  maintenance

  Deterministic agentic data firewall that secures, monitors, and controls AI agent interactions with data and software via MCP, preventing data leaks.

  Last updated 2026-01-22

  280

  GPL 3.0

• Open Paper Trading MCP

  Open-Agent-Tools

  A

  license

  -

  quality

  C

  maintenance

  Provides AI agents with tools for paper trading stocks, options, ETFs, and bonds, including advanced options strategies and risk analysis, using real market data without financial risk.

  Last updated 2025-10-09

  9

  Apache 2.0

• Open Workbook

  components-kit

  A

  license

  -

  quality

  -

  maintenance

  Local-first MCP runtime for fast, reversible, template-aware Excel automation, enabling agents to manipulate live Excel workbooks with safety features like snapshots and rollbacks.

  Last updated 2026-06-12

  MIT