GitHub MCP Server
GitHub
★ 27.4k 9.2

Official GitHub MCP Server connects AI tools to GitHub's API with 51 tools for repo management, issues, PRs, security scanning, and CI/CD automation.

Read and write repository filesCreate and manage issuesCreate and review pull requests +5
docker run -i --rm -e GITHUB_PERSONAL_ACCESS_TOKEN ghcr.io/github/github-mcp-server
Context Mode MCP Server
mksglu
★ 3.8k 8.5

MCP server that virtualizes Claude Code tool outputs via SQLite indexing, reducing token usage 25-99% and extending sessions from 30 minutes to 3+ hours.

Virtualizes tool outputs in local SQLite databaseIndexes data with FTS5 full-text search and BM25 rankingReduces token usage 25-99% on large files +4
/plugin marketplace add mksglu/context-mode
Brave Search MCP Server
Brave
8.5

Brave's official MCP Server gives AI agents real-time web search using the independent Brave Search index. Six search tools, privacy-first, $5 per 1,000 queries.

General web search with ranking and snippetsLocal business and points-of-interest searchNews search with recency filtering +3
npx @brave/brave-search-mcp-server
Fetch MCP Server
Anthropic
8.5

Anthropic's official Fetch MCP Server lets AI agents retrieve any web page and get back clean Markdown — the simplest way to give Claude live internet access via MCP.

Fetch any URL and return as MarkdownRaw HTML/JSON retrieval (skip Markdown conversion)Paginated content via start_index and max_length +2
uvx mcp-server-fetch
Filesystem MCP Server
Anthropic
9.0

Anthropic's official Filesystem MCP Server gives AI agents controlled read/write access to local directories — the foundational building block for any file-aware AI workflow.

Read files and directoriesWrite and edit filesSearch files with glob patterns +3
npx -y @modelcontextprotocol/server-filesystem /path/to/directory
Git MCP Server
Anthropic
8.5

Git MCP Server: Local version control as an agent-native capability. Structured git operations without shell subprocesses, built for multi-agent workflows.

Repository StatusCommit ManagementDiff & Change Inspection +6
uvx mcp-server-git
Memory MCP Server
Anthropic
8.0

Anthropic's official Memory MCP Server gives Claude persistent cross-session memory using a local knowledge graph. Entities, relations, and observations stored as a JSON file.

Persistent cross-session memory via local knowledge graphStore and retrieve entities (people, projects, concepts)Define relationships between entities +3
npx -y @modelcontextprotocol/server-memory
Playwright MCP Server
Microsoft
9.0

Microsoft's official Playwright MCP Server gives AI agents full browser control via accessibility tree snapshots — no vision model needed, 10-100x faster than screenshot-based approaches.

Navigate to URLs and interact with web pagesClick, hover, drag, fill forms, select dropdownsStructured accessibility tree snapshots (not screenshots) +4
npx @playwright/mcp@latest
PostgreSQL MCP Server
Community (crystaldba)
8.2

How to connect Claude to PostgreSQL in 2026. The official MCP server is deprecated with a SQL injection vulnerability — use Postgres MCP Pro (crystaldba) instead.

Execute SQL queries against PostgreSQL databasesSchema inspection and table listingDatabase health analysis (indexes, connections, buffer cache, vacuum) +3
npx postgres-mcp --connection-string postgresql://user:pass@localhost/mydb --access-mode unrestricted
Sentry MCP Server
Sentry
8.1

Official Sentry MCP Server connects AI agents to error tracking, exposing tools for issue search, analysis, and management via the Model Context Protocol.

Search and retrieve error issuesAccess stack traces and event dataTrigger root cause analysis +3
claude mcp add --transport http sentry https://mcp.sentry.dev/mcp
Sentry MCP Server
Sentry
8.1

Official Sentry MCP Server connects AI agents to error tracking, exposing tools for issue search, analysis, and management via the Model Context Protocol.

Search and retrieve error issuesAccess stack traces and event dataTrigger root cause analysis +3
claude mcp add --transport http sentry https://mcp.sentry.dev/mcp
Sequential Thinking MCP Server
Anthropic
7.5

Anthropic's Sequential Thinking MCP Server structures Claude's reasoning into explicit, revisable steps. Better results on complex problems by making the thinking process a first-class artifact.

Structure complex problem-solving into numbered thought stepsRevise and refine earlier thoughts mid-processBranch reasoning to explore alternative approaches +2
npx -y @modelcontextprotocol/server-sequential-thinking
Slack MCP Server
Slack

Slack is where teams communicate. The Slack MCP Server lets AI agents read channels, execute commands, and integrate team workflows directly from your IDE.

Search messages across channelsSend and manage messagesRead and reply to threads +2
claude plugin install slack
Time MCP Server
Anthropic
7.5

Official MCP server for time and timezone operations. Tells Claude what time it is anywhere on Earth and converts between timezones — with zero configuration required.

Get current time in any IANA timezoneConvert time between two timezonesReturns UTC offset and daylight saving status +1
npx -y @modelcontextprotocol/server-time
Puppeteer MCP Server
Community
★ 2.8k 7.0

Puppeteer MCP server: Automate screenshots, form filling, scraping, and DOM traversal in Claude agent workflows. Deprecated but community-maintained and production-viable.

Screenshots (full-page or element-specific)Form filling and element interactionWeb navigation and tab management +5
npx -y @modelcontextprotocol/server-puppeteer