Free MCP servers · page 15

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.

12,864 servers · showing 673–720

Code Auditor

83.3k

BenAHammond/code-auditor-mcp

Enforces architectural invariants and code quality rules inside your AI agent's edit loop.

Local + RemoteFreeAI Agents & Coding Agents

GitHits

1209.5k

githits-com/githits-cli

Search public open-source code, documentation, metadata, vulnerabilities, changelogs, and examples.

Local + RemoteFreeSearch & Web Scraping

Medical

119

JamesANZ/medical-mcp

Query medical information, drug databases, drug interactions and clinical guidelines.

LocalFreeTypeScriptScience & Research

Obsidian Sync

701.5k

es617/obsidian-sync-mcp

Give AI agents access to your Obsidian vault via local files or Self-hosted LiveSync.

LocalFreeKnowledge, Memory & RAG

AI Toolkit

118

memgraph/ai-toolkit/mcp-memgraph

Run queries against Memgraph and access its schema.

LocalFreePythonDatabases

Flstudio

118

rosasynthesiz/flstudio-mcp

Control FL Studio: in-DAW mixing (gain staging, EQ, compression, reverb, reference matching), routing and composition.

LocalFreePythonArt & Design

Cap js

118

cap-js/mcp-server

Model Context Protocol (MCP) server for AI-assisted development of CAP applications.

LocalFreeAI Agents & Coding Agents

Dvalincode

118550

arthurpanhku/dvalincode

Deterministic security scanning, no model or API key, plus offline-verifiable proof a fix worked.

LocalFreeSecurity & Identity

Hwatu

118

hongnoul/hwatu

Verification browser for coding agents: headless WebKit, DOM eval, screenshots, pixel-diff.

LocalFreeBrowser Automation

Xenon

118

marcimastro98/Xenon

Build widgets for the Xenon dashboard: SDK reference, install, runtime errors, tile screenshots.

LocalFreeBrowser Automation

IBM wxflows

117

IBM/wxflows

Tool platform by IBM to build, test and deploy tools for any data source

LocalFreeOther Tools & Integrations

Maya

117

PatrickPalmer/MayaMCP

Connect AI assistants to Autodesk Maya.

LocalFreePythonArt & Design

WTFM

117

SupportPages-io/wtfm

Writes illustrated end-user help articles from a codebase: reads the interface code, renders screenshots of each screen in a local headless Chromium, and saves Markdown with images. No account needed.

LocalFreeTypeScriptDeveloper Tools

Obsidian Hybrid Search

1174.2k

flowing-abyss/obsidian-hybrid-search

Search Obsidian vaults with hybrid full-text, fuzzy, semantic, and graph retrieval.

LocalFreeSearch & Web Scraping

Polymation

23.5k

paradoxsyn/rivemcp-releases

Author Rive; convert Lottie, After Effects, Animate and Figma into it; animate AI and pixel art.

LocalFreeSecurity & Identity

Jetbrains Debugger Plugin

116

hechtcarmel/jetbrains-debugger-mcp-plugin

JetBrains IDE plugin giving coding agents programmatic control of the debugger.

LocalFreeJavaDeveloper Tools

Mellos Mapping

116450

GuangminJu/mellos-mapping

Live layered dependency map for bottom-up development, drawn by the agent in a terminal pane.

LocalFreeLocation & Travel

SysKnife

115

lacs-project/sysknife

Linux system administration via typed actions instead of shell strings, with a signed audit log, one-time approval receipts and automatic rollback.

LocalFreeRustCommand Line & OS Automation

Ofw

143k

chrischall/ofw-mcp

OurFamilyWizard co-parenting for Claude — messages, calendar, expenses, and journal

LocalFreeProductivity & Project Management

Rive

252.7k

ODU33104/rive-mcp

Free, editor-less MCP server for Rive: create, edit, render .riv — plus an AI-collaborative Studio

LocalFreeOther Tools & Integrations

Roast My Design System

1157.7k

gregkozakiewicz/roast-my-design-system

Audit your Design System and serve your Agent the rules that keep AI-written UI on-system.

LocalFreeAI Agents & Coding Agents

Hyperiux Vault

105266

Hyperiux-Immersion-Labs/hyperiux-components

Browse and search Hyperiux Vault React/Next.js animation and interaction effects, with dependencies, changelogs, install commands and source code.

LocalFreeTypeScriptDeveloper Tools

Lldb

114

stass/lldb-mcp

LLDB integration for binary and core file analysis, debugging and disassembly.

LocalFreePythonDeveloper Tools

Twilio

113

twilio-labs/mcp

Interact with Twilio APIs to send messages, manage phone numbers, configure your account, and more.

LocalFreeDeveloper Tools

agentburn

113

Socialpranker/agentburn

Local profiler: which usage window took you out, and where your agent's money goes

LocalFreeAI Agents & Coding Agents

DINO-X

112

IDEA-Research/DINO-X-MCP

Advanced computer vision and object detection MCP server powered by Dino-X, enabling AI agents to analyze images, detect objects, identify keypoints, and perform visual understanding tasks.

LocalFreeMultimedia, Audio & Video

Mem0 Selfhosted

112

elvismdev/mem0-mcp-selfhosted

Self-hosted mem0 for Claude Code: Qdrant vector search, Neo4j knowledge graph, Ollama embeddings and session hooks for automatic cross-session memory.

LocalFreePythonKnowledge, Memory & RAG

Mnemiq

112

agenticfabriq/mnemiq

Natural-language questions over Postgres, Oracle, Snowflake, Databricks, DuckDB and SQLite; generated SQL is validated deterministically before running.

LocalFreePythonDatabases

Harness

111

harness/mcp-server

Access and interact with Harness platform data, including pipelines, repositories, logs, and artifact registries.

LocalFreeMonitoring & Observability

Screenshot Website Fast

111

just-every/mcp-screenshot-website-fast

Capture website screenshots, tiling full pages into 1072x1072 chunks for Claude Vision, with configurable viewports and wait strategies for dynamic content.

LocalFreeTypeScriptSearch & Web Scraping

Reaper

111

xDarkzx/Reaper-MCP

Music production in REAPER: transport, tracks, MIDI editing, mixing and FX, tempo maps, markers and regions, and ReaScript execution.

LocalFreePythonMultimedia, Audio & Video

Claude FAF

232.6k

Wolfe-Jam/claude-faf-mcp

Persistent project context in the .faf (Foundational AI-context Format), with project DNA and Podium scoring.

LocalFreeTypeScriptDeveloper Tools

Knowl

110

dat999zx/knowl

Persistent local memory for coding agents that retires replaced facts at write time, so agents read the current answer; facts are typed with provenance.

Local + RemoteFreeTypeScriptKnowledge, Memory & RAG

Square

109

square/square-mcp-server

A Model Context Protocol (MCP) server for square

LocalFreeAI Agents & Coding Agents

Shell

109

sonirico/mcp-shell

Run shell commands securely, auditably and on demand in isolated environments such as Docker.

LocalFreeGoAI Agents & Coding Agents

reevesagents

1091.6k

mertkayacs/reevesagents

Spawn, read and steer AI coding CLIs (Claude Code, Codex, Kimi and more) in local tmux windows.

LocalFreeAI Agents & Coding Agents

RvtMcp

109

bimwright/rvt-mcp

MCP gateway for Autodesk Revit 2022-2027 - toolset gating + Transaction-safe batch execution.

LocalFreeOther Tools & Integrations

Cve Search

108

roadwy/cve-search_mcp

Query the CVE-Search API: browse vendors and products, get CVEs by ID and list the latest updated CVEs.

LocalFreePythonSecurity & Identity

Sqlite Explorer Fastmcp

108

hannesrudolph/sqlite-explorer-fastmcp-mcp-server

Safe, read-only access to explore and query SQLite databases, with query validation.

LocalFreePythonDatabases

flowR

108

flowr-analysis/flowr

Static dataflow analysis, program slicing, linting, and dependency extraction for R code.

LocalFreeSearch & Web Scraping

All in One Model Context Protocol

107

nguyenvanduocit/all-in-one-model-context-protocol

Developer toolkit: Confluence, Jira, GitLab, YouTube channel management, email, calendar, script execution, knowledge-base RAG and URL fetching.

LocalFreeGoOther Tools & Integrations

Think

107

Rai220/think-mcp

Improve agent reasoning with the think tool described by Anthropic.

LocalFreePythonOther Tools & Integrations

Video Analyzer

107

guimatheus92/mcp-video-analyzer

Video analysis: extract transcripts, key frames, OCR text and annotated timelines from Loom links and direct MP4 or WebM files.

LocalFreeTypeScriptMultimedia, Audio & Video

doc-scraper

107

Sriram-PR/doc-scraper

Crawl documentation sites into local Markdown or JSONL corpora and serve them with offline BM25 search, page reads, freshness checks and crawl diffs.

LocalFreeGoSearch & Web Scraping

AEC Model Bridge

107

Sam-AEC/aec-model-bridge

Revit MCP server: 200+ tools to read and edit BIM models, every change human-approved.

LocalFreeAI Agents & Coding Agents

DesktopManager Windows Verification

107

EvotecIT/DesktopManager

Inspect and verify Windows x64 desktop apps through a local, read-only-by-default MCP server.

LocalFreeOther Tools & Integrations

Predictive Maintenance

106

LGDiMaggio/predictive-maintenance-mcp

Industrial predictive maintenance: vibration analysis, bearing fault diagnosis (ISO 20816-3) and diagnostic reports.

LocalFreePythonIoT, Home & Embedded

stalemap

106728

Umair/stalemap

Tells coding agents which npm dependencies changed after their training cutoff, and what changed: ranked notes in AGENTS.md/CLAUDE.md, a post-edit guard that explains type errors caused by changed APIs, and a search_changes tool over type diffs, release notes and upgrade guides. npx stalemap setup --agent

LocalFreeTypeScriptDeveloper Tools