Free MCP servers · page 53

Open source MCP servers that need no paid account or API key, based on each listing. Run them locally with Claude Code or any MCP client.

12,872 servers · showing 2497–2544

Japan UX

0427

mrslbt/japan-ux-mcp

Japanese UI + UX correctness for AI coding agents — typography, forms, keigo, JLReq checks.

LocalFreeAI Agents & Coding Agents

K8scortex

1395

apatilgtn/k8scortex-mcp

Kubernetes MCP server: 75 tools for GKE, AKS, EKS, RBAC, audit logging, GitOps, multi-cluster.

LocalFreeCloud Platforms

Kenotex

0429

kenxcomp/kenotex-mcp

Let your coding agent manage real todos, events, and check-in habits in Kenotex on your Mac.

LocalFreeProductivity & Project Management

Laya Typed Decisions

0413

PerryLink/laya-mcp-npm

Typed noul / choice / score judgments from a local Laya model, with token-budget preflight.

LocalFreeAI Agents & Coding Agents

Lema

1379

lemahq/lema-mcp

Cited 'why was this decided?' answers for your repo and for React, Kubernetes, and Rust.

LocalFreeCloud Platforms

Longhorn

0405

rafaelgaspar/longhorn-mcp

MCP server for the Longhorn distributed storage manager API, with a --read-only mode.

LocalFreeDeveloper Tools

Lumae

14

matlegault/lumae-releases

Record, cut, zoom, caption and export software demos from an agent. Requires Lumae for macOS.

LocalFreeAI Agents & Coding Agents

Lyricscom

0434

smeet666/mcp-lyricscom

Search song lyrics on lyrics.com by word or by title, and fetch full lyrics. No API key required.

LocalFreeSearch & Web Scraping

Maccabi Health

14422

orenyomtov/maccabi-health

Read your own Maccabi Healthcare records: labs, prescriptions, visits, referrals, PDFs.

LocalFreeOther Tools & Integrations

Math Tools

423

mrfentmen/math-tools-mcp

Prime checks, factors, GCD, and basic statistics computed locally. No network and no key.

LocalFreeData Science & Visualization

Merge Conflict Forecaster

423

mrfentmen/merge-conflict-forecaster-mcp

Predict local Git merge-conflict pressure from branch topology and changed-file overlap without...

LocalFreeVersion Control

MERX

3319

Hovsteder/merx-mcp

TRON energy exchange for AI agents. 54 tools, 30 prompts, 21 resources. A2A + ACP.

Local + RemoteFreeAI Agents & Coding Agents

Metrillm

8184

MetriLLM/metrillm

Benchmark local LLM models — speed, quality & hardware fitness verdict from any MCP client

LocalFreeAI Agents & Coding Agents

million

9142

Kelows/million

Operate a self-hosted Solana whale tracker and copy-trading deck: positions, rules, token checks.

LocalFreeFinance, Fintech & Payments

Mlb

429

mrfentmen/mlb-mcp

Teams, schedules, and standings from the official MLB Stats API. No key required.

LocalFreeCommunication

Myc

14

aistastudio/myc

Task queue, decisions and memory for coding agents. Local SQLite, no network. Requires Bun.

LocalFreeDatabases

Nordnet Portfolio

14

hpasic/nordnet-mcp

Read-only Nordnet brokerage data: accounts, positions, trades, balances, orders, instruments.

LocalFreeE-Commerce & Delivery

Northwestern University Libraries Digital Collections API

14

nulib/dc-api-v2

Agent integration with the Northwestern University Libraries Digital Collections API

Local + RemoteFreeAI Agents & Coding Agents

Obsidian Brain

14685

sweir1/obsidian-brain

Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.

LocalFreeSearch & Web Scraping

Obsidian CLI

2372

stonematt/mcp-obsidian-cli

Save chat notes from Claude Desktop to your vault — MCP on Obsidian CLI. Keep what matters.

LocalFreeKnowledge, Memory & RAG

Oorep

3316

Dhi13man/oorep-mcp

MCP server and TypeScript SDK for OOREP homeopathic repertory and materia medica reference data.

LocalFreeDeveloper Tools

Orca

14

jascal/orca-lang

Go from natural language to verified finite state machines — topology bugs caught before code runs.

LocalFreeDeveloper Tools

Otp

428

mrfentmen/otp-mcp

Generate and verify time based one time passwords locally. No network and no key.

LocalFreeOther Tools & Integrations

Partner Center

2348

tunahanaliozturk/partner-center-mcp

Unofficial Partner Center REST API knowledge & codegen assistant (scenarios, auth, errors).

LocalFreeKnowledge, Memory & RAG

Password Strength

431

mrfentmen/password-strength-mcp

Score password strength locally with the zxcvbn algorithm. No network and no key.

LocalFreeOther Tools & Integrations

PlushSource

0426

quickman924/plushsource-mcp

Search, filter and compare custom plush manufacturers listed in the PlushSource directory.

LocalFreeSearch & Web Scraping

Pseudonym

2346

woladi/pseudonym-mcp

Locally pseudonymizes sensitive text before cloud LLM work and restores the tokens afterward.

LocalFreeAI Agents & Coding Agents

Psquare

14

thehesiod/psquare-mcp

MCP server for ParentSquare — feeds, calendars, messages, directories, and admin roster tools

LocalFreeProductivity & Project Management

Robinhood Chain

8187

nirholas/robinhood-chain-mcp

Robinhood Chain data + guarded trading for AI agents: Stock Token quotes, portfolios, launches

LocalFreeFinance, Fintech & Payments

Saymaker

0412

hanshs474/saymaker-mcp

Generate and edit AI images and video on SayMaker: Veo 3.1, Kling 3.0, Seedance 2.0, Nano Banana 2.

LocalFreeMultimedia, Audio & Video

Scout

14

klarlabs-studio/scout

Browser automation MCP server with 84 tools. Pure CDP, DOM diffing, vision hybrid.

LocalFreeBrowser Automation

ScrubGuard

414

scrubguard-dev/scrubguard

Local-first PII and secret scrubber with checksum checks and reversible LLM tokens.

LocalFreeSecurity & Identity

Searxng

14

aicrafted/searxng-mcp

MCP server for SearXNG aggregator — web search across multiple engines via Model Context Protocol

LocalFreeSearch & Web Scraping

SelfPaidPal

0416

altoninelli/selfpaid-mcp

Zero-net-cost payments on Base Mainnet powered by automated Aave V3 & Morpho yield farming.

LocalFreeFinance, Fintech & Payments

Sema

14

emergent-wisdom/sema

Content-addressed semantics: fail-closed handshakes over 617 cognitive patterns.

LocalFreeOther Tools & Integrations

Serial

14

qarnet/serial-mcp

MCP server for serial port communication. 25 tools, resources, prompts, and stdio/HTTP transports.

LocalFreeAI Agents & Coding Agents

sigrok

14

KenosInc/sigrok-mcp-server

Wraps sigrok-cli for signal analysis: capture data, decode protocols, and query instruments.

LocalFreeOther Tools & Integrations

SkillOS

428

Joshanihub/SkillOS

SkillOS MCP Runtime exposes the SkillOS skill registry as activatable MCP tools for AI agents.

LocalFreeAI Agents & Coding Agents

Staruml

1402

ezrabrilliant/staruml-mcp

MCP server for StarUML — generate UML diagrams from AI agents via stdio or HTTP.

LocalFreeAI Agents & Coding Agents

SwitchWize

1383

switchwize/switchwize-mcp

Sixteen read-only US rate, savings-gap, Fed, card and CD tools with sources and freshness.

Local + RemoteFreeOther Tools & Integrations

Tailscale

434

itunified-io/mcp-tailscale

Secure MCP access for private infrastructure over Tailscale — 48 tools across 9 domains

LocalFreeOther Tools & Integrations

Tdl

0414

rixile9999/tdl-mcp

Read-only Telegram MCP server wrapping the tdl CLI: list chats, read messages, download media.

LocalFreeCommunication

UI Registry

5271

mrityunjay-tiwari/ui-registry-mcp

Live access to 12 shadcn-style component libraries so agents compose UI from real components.

LocalFreeAI Agents & Coding Agents

Unicode

0432

mrfentmen/unicode-mcp

Use this MCP server to Unicode characters, blocks, names, scripts, and properties. Tools include...

LocalFreeOther Tools & Integrations

Zendesk

14

fruggr/zendesk-mcp-server

Draft, translate and update Help Center articles and manage Zendesk tickets from your AI assistant.

LocalFreeOther Tools & Integrations

WorldRole

14

zzn199216/worldrole-mcp

Free remote and overseas job search with sources and eligibility checks. Usage limits apply.

RemoteFreeSearch & Web Scraping

Bestax

13

allxsmith/bestax/bestax-mcp

Gives agents props, examples and CSS variables for the Bestax React component library (Bulma v1). Runs offline.

LocalFreeTypeScriptDeveloper Tools

Powerdrill

13

powerdrillai/powerdrill-mcp

An MCP server that provides tools to interact with Powerdrill datasets, enabling smart AI data analysis and insights.

LocalFreeData Science & Visualization