"A JavaScript library for state management and finite state machines" matching MCP servers:

• 

  studio-stateofficial

  dkf2studios

  A

  license

  -

  quality

  C

  maintenance

  A stateless MCP server for AI film and video production that tracks project state, shot status, and updates, enabling consistent characters and continuity across generative video tools.

  Last updated 2026-06-16

  MIT

• MCP State Sidecar Server

  askadvaith

  A

  license

  A

  quality

  C

  maintenance

  An MCP-native state sidecar that externalises workflow state for distributed agent deployments.

  Last updated 2026-06-12

  19

  6

  MIT

• Agent State MCP Server

  tianhuil

  A

  license

  A

  quality

  D

  maintenance

  Provides state and log management tools designed for long-lived AI agents that may be interrupted and resumed. It enables tracking agent progress and maintaining an append-only event history to ensure continuity across multiple sessions.

  Last updated 2025-12-12

  4

  MIT

• Book Library MCP Server

  Abishek-0607

  F

  license

  -

  quality

  C

  maintenance

  Enables Claude or any LLM to manage a book library via MCP tools, allowing listing, searching, creating, updating, and deleting books through natural language.

  Last updated 2026-07-01

• Washington State Legislature

  awalcutt

  A

  license

  A

  quality

  C

  maintenance

  Enables AI assistants to access Washington State Legislature data for bill tracking, committee meetings, legislator lookup, and legislative document retrieval via conversational interfaces.

  Last updated 2025-05-06

  9

  1

  MIT

• asset-management

  disin7c9

  A

  license

  A

  quality

  A

  maintenance

  A local, read-only MCP server (plus CLI) over your own stock/ETF transaction log. A deterministic core computes drawdown-first risk with bootstrap confidence intervals and validates targets with walk-forward verdicts. The assistant narrates, but the number fence makes it structurally impossible for the model to produce a figure.

  Last updated 2026-07-25

  10

  8

  1

  AGPL 3.0

• calibre-library-mcp

  halimchaibi

  A

  license

  A

  quality

  C

  maintenance

  A local stdio MCP server that enables AI tools to search a self-hosted Calibre library over SSH, supporting metadata queries, full-text search, and book details.

  Last updated 2026-06-25

  7

  MIT

• Library MCP

  lethain

  F

  license

  B

  quality

  D

  maintenance

  An MCP server that enables interaction with Markdown knowledge bases, allowing users to search and retrieve content by tags, text, URL, or date range from their local markdown files.

  Last updated 2025-04-21

  7

  91

• Chart Library

  grahammccain

  A

  license

  C

  quality

  A

  maintenance

  Historical stock pattern intelligence for AI agents. Search 24M pre-computed chart pattern embeddings across 15K stocks and 10 years. 19 tools: pattern similarity search, forward returns, regime analysis, anomaly detection, sector rotation, earnings reactions, correlation shifts, scenario analysis, and more. Returns what happened historically when charts looked like this — compliance-safe

  Last updated 2026-06-10

  22

  21

  MIT

• zotero-library-mcp

  RaulSimpetru

  A

  license

  -

  quality

  C

  maintenance

  An MCP server that lets AI assistants add papers and books to your Zotero library by DOI, arXiv ID, or ISBN, and manage your collections, tags, and items.

  Last updated 2026-07-15

  1

  MIT

• eth-library-mcp

  malkreide

  -

  license

  -

  quality

  A

  maintenance

  MCP server giving AI models direct access to 30M+ resources at ETH Library Zurich – books, maps, images, archival material, and linked-data person records.

  Last updated 2026-07-22

  1

• mem0 MCP Server for Project

  KunihiroS

  F

  license

  -

  quality

  D

  maintenance

  A bridge between MCP Host applications and mem0 cloud service, specialized for project management with capabilities to store, retrieve, and search project information within a structured format.

  Last updated 2026-03-11

  6

• re-library-mcp

  Heretek-RE

  F

  license

  -

  quality

  B

  maintenance

  Enables querying a curated reverse engineering knowledge base covering techniques, anti-analysis bypass, mobile internals, and tools via MCP clients like Claude or Cursor.

  Last updated 2026-06-10

  1

• capture-and-slack-mcp

  baho0

  A

  license

  A

  quality

  B

  maintenance

  Relays a result screenshot to Slack so you can review a coding agent's output without opening the app.

  Last updated 2026-07-09

  7

  MIT

• prompt-library-mcp-server

  AiAgentKarl

  A

  license

  A

  quality

  D

  maintenance

  Community-driven library of tested prompts for AI agents, enabling search, retrieval, sharing, and rating of prompts.

  Last updated 2026-04-03

  5

  MIT

• Meta Ad Library MCP

  konstantin-tradient

  F

  license

  A

  quality

  B

  maintenance

  Searches the Meta (Facebook) Ad Library by keyword and returns ad details including advertiser, ad copy, and EU reach, without requiring an API key.

  Last updated 2026-06-10

  3

• mcp-leave-management

  MarriHarshaVardhan

  F

  license

  A

  quality

  C

  maintenance

  Exposes employee leave-management operations (add employees, check balance, apply/cancel leave, view history) as MCP tools for AI clients like Claude Desktop to call directly.

  Last updated 2026-07-08

  6

• MCP as a Judge

  OtherVibes

  A

  license

  -

  quality

  C

  maintenance

  A validation layer for AI coding assistants that enforces explicit LLM evaluations on plans, code diffs, and tests to ensure safer and higher-quality code.

  Last updated 2025-12-15

  17

  MIT

• mcp-supabase-management

  lyzetam

  A

  license

  -

  quality

  D

  maintenance

  Manages Supabase projects, databases, edge functions, secrets, and branches across organizations using the Supabase Management API with 24 tools.

  Last updated 2026-05-08

  MIT

• Facebook Ads Library MCP

  heymramit

  A

  license

  -

  quality

  C

  maintenance

  A powerful MCP server for Facebook Ads Library that provides 15+ tools for competitive intelligence, creative analysis, and performance prediction, enabling users to search, monitor, and analyze advertising data.

  Last updated 2026-07-01

  MIT