# Plugolis

> Independent directory of Model Context Protocol (MCP) servers, with install commands, supported clients, auth needs, and maintenance status, plus step-by-step fixes for common MCP setup errors in Cursor, Claude Desktop, Claude Code, VS Code, and Windsurf. Data refreshed 2026-10-15 from GitHub.

## Servers
- [Filesystem MCP Server](https://plugolis.com/servers/filesystem/): Node.js server implementing Model Context Protocol (MCP) for filesystem operations. Install: `npx -y @modelcontextprotocol/server-filesystem /Users/username/Desktop /path/to/other/allowed/dir`
- [Fetch MCP Server](https://plugolis.com/servers/fetch/): A Model Context Protocol server that provides web content fetching capabilities. This server enables LLMs to retrieve an Install: `uvx mcp-server-fetch`
- [Git MCP Server](https://plugolis.com/servers/git/): A Model Context Protocol server for Git repository interaction and automation. This server provides tools to read, searc Install: `uvx mcp-server-git --repository path/to/git/repo`
- [Memory (Knowledge Graph) MCP Server](https://plugolis.com/servers/memory/): A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about t Install: `npx -y @modelcontextprotocol/server-memory`
- [Sequential Thinking MCP Server](https://plugolis.com/servers/sequential-thinking/): An MCP server implementation that provides a tool for dynamic and reflective problem-solving through a structured thinki Install: `npx -y @modelcontextprotocol/server-sequential-thinking`
- [Everything (test server) MCP Server](https://plugolis.com/servers/everything/): This MCP server attempts to exercise all the features of the MCP protocol. It is not intended to be a useful server, but Install: `npx -y @modelcontextprotocol/server-everything`
- [Time MCP Server](https://plugolis.com/servers/time/): A Model Context Protocol server that provides time and timezone conversion capabilities. This server enables LLMs to get Install: `uvx mcp-server-time`
- [Context7 MCP Server](https://plugolis.com/servers/context7/): Context7 Platform -- Up-to-date docs for AI agents Install: `npx ctx7 setup` Remote: https://mcp.context7.com/mcp
- [Chrome DevTools MCP Server](https://plugolis.com/servers/chrome-devtools/): Chrome DevTools for coding agents Install: `npx -y chrome-devtools-mcp@latest`
- [Playwright (Microsoft) MCP Server](https://plugolis.com/servers/playwright/): Playwright MCP server Install: `npx @playwright/mcp@latest`
- [GitHub MCP Server](https://plugolis.com/servers/github/): GitHub's official MCP Server Install: `docker run -i --rm -e GITHUB_PERSONAL_ACCESS_TOKEN -e GITHUB_HOST ghcr.io/github/github-mcp-server`
- [Serena MCP Server](https://plugolis.com/servers/serena/): A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities  - the IDE for your agent Install: `uv tool install -p 3.13 serena-agent && serena start-mcp-server`
- [Figma Context (Framelink) MCP Server](https://plugolis.com/servers/figma-context/): MCP server to provide Figma layout information to AI coding agents like Cursor Install: `npx -y figma-developer-mcp --figma-api-key=YOUR-KEY --stdio`
- [Desktop Commander MCP Server](https://plugolis.com/servers/desktop-commander/): This is MCP server for Claude that gives it terminal control, file system search and diff file editing capabilities Install: `npx -y @wonderwhy-er/desktop-commander@latest`
- [AWS MCP Servers MCP Server](https://plugolis.com/servers/aws/): Open source MCP Servers for AWS Install: `uvx awslabs.core-mcp-server@latest`
- [GitMCP MCP Server](https://plugolis.com/servers/gitmcp/): Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project Install: `npx mcp-remote https://gitmcp.io/{owner}/{repo}`
- [Firecrawl MCP Server](https://plugolis.com/servers/firecrawl/): 🔥 Official Firecrawl MCP Server - Adds powerful web scraping and search to Cursor, Claude and any other LLM clients. Install: `npx -y firecrawl-mcp`
- [Browser MCP MCP Server](https://plugolis.com/servers/browsermcp/): Browser MCP is a Model Context Provider (MCP) server that allows AI applications to control your browser Install: `npx @browsermcp/mcp@latest`
- [21st.dev Magic MCP Server](https://plugolis.com/servers/magic/): It's like v0, but in your Cursor / Claude Code / Windsurf: search 10,000+ React/Tailwind components, generate new UI wit Install: `npx -y @21st-dev/magic@latest API_KEY="..."`
- [Playwright (ExecuteAutomation) MCP Server](https://plugolis.com/servers/mcp-playwright-ea/): Playwright Model Context Protocol Server - Tool to automate Browsers and APIs in Claude Desktop, Cline, Cursor IDE and M Install: `npx @executeautomation/playwright-mcp-server`
- [Exa Search MCP Server](https://plugolis.com/servers/exa/): Exa MCP for web search and web crawling! Remote: https://mcp.exa.ai/mcp
- [Notion MCP Server](https://plugolis.com/servers/notion/): Official Notion MCP Server Install: `npx -y @notionhq/notion-mcp-server`
- [Cloudflare MCP Server](https://plugolis.com/servers/cloudflare/): Cloudflare's hosted MCP servers for reading and changing your Cloudflare account through an MCP client. Cloudflare recom Remote: https://mcp.cloudflare.com/mcp
- [Grafana MCP Server](https://plugolis.com/servers/grafana/): MCP server for Grafana Install: `uvx mcp-grafana`
- [Supabase MCP Server](https://plugolis.com/servers/supabase/): Connect Supabase to your AI assistants Remote: https://mcp.supabase.com/mcp
- [Stripe MCP Server](https://plugolis.com/servers/stripe/): One-stop shop for building AI-powered products and businesses with Stripe. Remote: https://mcp.stripe.com
- [Slack (korotovsky) MCP Server](https://plugolis.com/servers/slack/): The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart his Install: `npx -y slack-mcp-server@latest --transport stdio`
- [Terraform MCP Server](https://plugolis.com/servers/terraform/): The Terraform MCP Server provides seamless integration with Terraform ecosystem, enabling advanced automation and intera Install: `docker run -i --rm -e TFE_TOKEN=${input:tfe_token} -e TFE_ADDRESS=${input:tfe_address} hashicorp/terraform-mcp-server:1.3.0`
- [Brave Search MCP Server](https://plugolis.com/servers/brave-search/): An MCP server that integrates the Brave Search API: web, local business, image, video and news search, plus AI summariza Install: `npx -y @brave/brave-search-mcp-server --transport http`
- [MongoDB MCP Server](https://plugolis.com/servers/mongodb/): A Model Context Protocol server to connect to MongoDB databases and MongoDB Atlas Clusters. Install: `npx -y mongodb-mcp-server@latest --readOnly`
- [Sentry MCP Server](https://plugolis.com/servers/sentry/): Agentic tooling for Sentry Install: `npx @sentry/mcp-server`
- [Neon Postgres MCP Server](https://plugolis.com/servers/neon/): MCP server for interacting with Neon Management API and databases Install: `npx add-mcp https://mcp.neon.tech/mcp` Remote: https://mcp.neon.tech/mcp
- [Redis MCP Server](https://plugolis.com/servers/redis/): The official Redis MCP Server is a natural language interface designed for agentic applications to manage and search dat Install: `uvx --from redis-mcp-server@latest redis-mcp-server --url \ `

## Fixes
- [MCP server not showing in Cursor (or showing a red dot)](https://plugolis.com/fixes/mcp-server-not-showing-in-cursor/): No tools available  •  Client closed  •  red status dot next to the server in Cursor's MCP settings
- [MCP server not showing in Claude Desktop](https://plugolis.com/fixes/mcp-server-not-showing-in-claude-desktop/): No hammer/tools icon appears, or "Could not attach to MCP server" / "MCP server failed" in Claude De
- [Fix "spawn npx ENOENT" when starting an MCP server](https://plugolis.com/fixes/spawn-npx-enoent/): Error: spawn npx ENOENT
- [MCP servers fail on Windows with npx (use cmd /c)](https://plugolis.com/fixes/windows-npx-mcp-cmd-c/): spawn npx ENOENT  •  'npx' is not recognized  •  Connection closed (Windows only)
- [MCP server can't see my API key (env vars not passed)](https://plugolis.com/fixes/mcp-env-vars-not-passed/): 401 Unauthorized  •  "API key is required"  •  "Missing environment variable"
- [MCP config JSON syntax errors (trailing commas, comments, quotes)](https://plugolis.com/fixes/mcp-json-config-syntax-error/): Unexpected token } in JSON at position …  •  "Failed to parse MCP config"  •  servers silently missi
- [Too many MCP tools: tool limits in Windsurf, Cursor and VS Code](https://plugolis.com/fixes/cursor-too-many-mcp-tools/): Tool limit warnings, or the agent ignoring tools from a server you enabled
- [Fix "spawn uvx ENOENT" for Python MCP servers](https://plugolis.com/fixes/spawn-uvx-enoent/): Error: spawn uvx ENOENT
- ["MCP error -32000: Connection closed": what it means and how to fix it](https://plugolis.com/fixes/mcp-error-32000-connection-closed/): McpError: MCP error -32000: Connection closed
- ["MCP error -32001: Request timed out"](https://plugolis.com/fixes/mcp-error-32001-request-timed-out/): McpError: MCP error -32001: Request timed out
- ["Unexpected token … is not valid JSON" from a custom MCP server](https://plugolis.com/fixes/mcp-stdout-not-valid-json/): SyntaxError: Unexpected token 'S', "Server sta"... is not valid JSON
- [MCP server crashes because the client uses an old Node version](https://plugolis.com/fixes/mcp-server-wrong-node-version/): SyntaxError: Unexpected token '?'  •  ReferenceError: fetch is not defined  •  ERR_REQUIRE_ESM
- [Claude Code: MCP server added but not available ("No MCP servers configured")](https://plugolis.com/fixes/claude-code-mcp-server-not-found/): No MCP servers configured  •  server missing from /mcp in another folder
- [VS Code ignores my MCP config ("servers" vs "mcpServers")](https://plugolis.com/fixes/vscode-mcp-servers-key/): Server does not appear in the MCP: List Servers view; config copied from Cursor/Claude does nothing
- [GitHub MCP server: "Bad credentials" / 401 errors](https://plugolis.com/fixes/github-mcp-bad-credentials/): 401 Bad credentials  •  "GITHUB_PERSONAL_ACCESS_TOKEN not set"
- [Windsurf: MCP server not loading in Cascade (mcp_config.json location)](https://plugolis.com/fixes/windsurf-mcp-config-not-loading/): Server missing from Cascade's MCP list or shown as errored after editing mcp_config.json