Free MCP servers · page 18

martingeidobler/android-mcp-server

Android device control via ADB: screenshots, UI tree inspection, touch automation, logcat and compound actions like tap-and-wait.

krmisystems/fantasy-football-manager

ESPN fantasy football tools: draft simulations, lineup recommendations and browser actions within configurable user limits.

Pantheon-Security/notebooklm-mcp-secure

Security-hardened Google NotebookLM access: session-based conversations, notebook library management and source-grounded answers, with post-quantum encryption.

Azure/containerization-assist

TypeScript MCP server for AI-powered containerization workflows with Docker and Kubernetes support

jztan/redmine-mcp-server

MCP server that lets AI assistants manage Redmine issues, projects, wikis, and time tracking

SonicloudTech/mouse-mcp

USB HID mouse control and voice dictation for Windows x64. Requires compatible uMouse hardware.

lpigeon/unitree-go2-mcp-server

Control the Unitree Go2 robot with natural language commands interpreted by an LLM.

embedded-society/altium-designer-mcp

Build and maintain Altium Designer component libraries: read and write .PcbLib footprints and .SchLib symbols, with IPC-7351B footprints and STEP models.

26zl/cybersec-toolkit

Install a large security toolset and discover and run it through an authorization-gated server for CTF, pentesting, bug bounty and DFIR.

James-Chahwan/repo-graph

Structural codebase graph: scans entities, relationships and feature flows across languages so LLMs navigate by structure instead of grepping.

neelsatyavolu/consult

Get a second opinion on your code from every coding agent you have. No API keys.

zxyasfas/paper_format_agent

Local-first DOCX formatter for academic papers with a content-fingerprint integrity guard.

grarcht/Shuttle

Android framework and solution that prevents TransactionTooLargeException crashes by design.

r3dbars/transcripted

Read-only search over the meetings, dictations and writing saved by the Transcripted Mac app.

NameetP/pdfmux

PDF extraction router that classifies each page and routes it to PyMuPDF, Docling, OCR or an LLM fallback, re-extracting pages with low confidence scores.

glitchless-gg/glitchless

Coding agents can build a game. They can't see anyone play it. Glitchless lets them.

ShenghaiWang/xcodebuild

Build iOS Xcode workspaces or projects and feed errors back to the LLM.

MikkoParkkola/mcp-gateway

MCP gateway with single-port multiplexing and meta-tools that replace individual tool registrations, plus hot-reloadable capabilities and OpenAPI import.

bardesss/arr-mcp

One server, 40 tools, the whole media stack: arrs, Jellyfin, Plex, Seerr, Cleanuparr, downloaders

keboola/mcp-server

Connect your AI assistants to Keboola and expose your data, transformations, SQL queries, ...

TocharianOU/mcp-server-kibana

Kibana MCP Server with dynamic API discovery and comprehensive Elastic Stack integration

mituan-ai/PaperBanana-CN

Generate and evaluate academic diagrams and plots with independent model connections.

googlarz/proton-mail-bridge-client

Local-first Proton Mail MCP server and CLI via Proton Mail Bridge: search, read, draft, send, triage threads, answer calendar invitations, reply reminders, multiple accounts, and a local SQLite index. Safety presets from read-only to full, with send confirmation and an outbound-to-self mode.

ninetails-io/gnucash-mcp

Multi-currency double-entry accounting on local GnuCash books: transactions, invoices, bills, budgets, investment lots, reconciliation and reports.

xsignon-secure/E2E

Diagnose and fix Playwright tests: CI reports, traces, verified fixes, flaky verdicts, audits.

SpartanLabsXyz/simmer-sdk

Trade prediction markets with AI agents — skill discovery, autoresearch, and execution.

decisionnode/DecisionNode

Record development decisions as structured JSON with Gemini embeddings and search them semantically from a local store shared across AI tools.

mberg/kokoro-tts-mcp

Text-to-speech with the open-weight Kokoro TTS models, saving MP3s locally or uploading them to an S3 bucket.

MarcelRoozekrans/roslyn-codelens-mcp

Roslyn-based .NET code intelligence: type hierarchies, call graphs, DI registrations, diagnostics, code fixes and complexity metrics from pre-built indexes.

chrischall/honeybook-mcp

HoneyBook client-portal MCP — vendor contracts, invoices, messages, meetings and payments

vpndetection-io/mcp

VPN, proxy, Tor, hosting and CDN detection for any IP address, from the VPNDetection API.

chrischall/zola-mcp

Zola wedding planning for Claude — vendors, budget, guests, seating, registry, and RSVPs

lamemind/mcp-server-multiverse

Middleware that runs multiple isolated instances of the same MCP servers side by side with unique namespaces and configurations.

mishafyi/Apple-Docs-2.0-MCP

Apple developer docs, Human Interface Guidelines and 1,700 WWDC sessions with code for AI assistants

mordechaipotash/brain-mcp

Records your Claude Code, Codex and Pi history before deletion. Cited-or-abstain recall.

jgravelle/jdatamunch-mcp

Tabular data retrieval. Index CSV/Excel, query rows, aggregate. 99%+ savings vs raw file reads.

hashfunction/MarkuprPlus

Records your screen and voice, returns one annotated screenshot and finding per mark.

sverklo/sverklo

Local-first MCP code intelligence: 37 tools — hybrid search, blast-radius, diff review, memory.

preloop/preloop

Open-source AI agent control plane and software factory: govern every tool and model call.

Shy2593666979/mcp-server-email

This server enables users to send emails through various email providers, including Gmail, Outlook, Yahoo, Sina, Sohu, 126, 163, and QQ Mail. It also supports attaching files from specified directories, making it easy to upload attachments along with the email content.

hannesrudolph/imessage-query-fastmcp-mcp-server

Safe access to the iMessage database to query and analyze conversations, with phone number validation and attachment handling.

pzalutski-pixel/javalens-mcp

Semantic Java analysis via Eclipse JDT: compiler-accurate navigation, refactoring, find references, call hierarchy and code metrics.

adelinamart/robrain

Self-hosted decision memory for coding agents: captures architectural decisions and rejected alternatives, and warns before a rejected approach is re-proposed.

Licinexus/licinexus-mcp

Brazilian public procurement (PNCP) and Federal Revenue CNPJ data — 16 tools, 4 prompts.

sapientsai/microsoft365-mcp-server

Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do.

dlamarre-dev/Perigee

Positions, distances, mission facts and 3D views of objects orbiting the Earth, Moon, Mars and Sun.

tan-yong-sheng/ai-vision-mcp

Image, video and object-detection analysis with Google Gemini and Vertex AI for UI/UX evaluation, visual regression testing and interface understanding.

zillow/auto-mobile

Android automation tool suite for developer workflows and testing.