Free MCP servers · page 48

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 2257–2304

Rarefaction

0495

ip2k/rarefaction

LSP call graph for coding agents: a symbol's callers, callees, tests and live files in one call.

LocalFreeAI Agents & Coding Agents

SimplyUtils

0509

Notysoty/simplyutils-mcp

Developer and text tools: JSON, QR codes, units, passwords, UUIDs, hashes, Base64, regex and more.

Local + RemoteFreeDeveloper Tools

Stats Compass

17

oogunbiyi21/stats-compass-mcp

50+ pandas-powered tools for data loading, cleaning, visualization, and ML workflows

Local + RemoteFreeData Science & Visualization

Stem Calc Student

0498

AnonymousOnyx22/stem-calc-student-mcp

STEM calculator MCP for homework: molar mass, balancing, units, significant figures. Works offline.

LocalFreeOther Tools & Integrations

Tokonomix Council

1468

TokonoMix/tokonomix-council-mcp

Multi-model consensus: 2-6 frontier LLMs answer, an independent judge synthesises one answer.

LocalFreeAI Agents & Coding Agents

Uimax

10210

prembobby39-gif/uimax-mcp

Frontend expert for Claude Code. Screenshots, Lighthouse, axe-core, code analysis, auto-fix.

LocalFreeBrowser Automation

UVCS

17

ProAnima/unity-version-control-mcp

Safe Plastic SCM / Unity Version Control MCP: history, review, merge preview, and guarded writes.

LocalFreeOther Tools & Integrations

Vecline

171.2k

shunyagatha/Vecline

Local-first image, vector and document toolkit that measures its own output. Nothing uploaded.

LocalFreeKnowledge, Memory & RAG

Windbg

17

glslang/windbg-mcp

WinDbg/DbgEng over MCP: crash dumps, live user & kernel, driver IOCTLs, and TTD.

LocalFreeOther Tools & Integrations

Yarr

17

dinglebear-ai/yarr

Self-hosted media fleet operations across Sonarr, Radarr, Plex, and related apps over MCP and CLI.

LocalFreeOther Tools & Integrations

Garmin — MissingMCP

17

VelkyVenik/missingmcp

Garmin data in Claude: 135 tools — activities, sleep, HRV, training, workouts. Free, open source.

RemoteFreeAI Agents & Coding Agents

Atla

16

atla-ai/atla-mcp-server

Enable AI agents to interact with the Atla API for state-of-the-art LLMJ evaluation.

LocalFreeAI Agents & Coding Agents

Chargebee

16

chargebee/agentkit

MCP Server that connects AI agents to Chargebee platform.

LocalFreeAI Agents & Coding Agents

Bluesky Social

16

gwbischof/bluesky-social-mcp

Interact with Bluesky via the atproto client.

LocalFreePythonSocial Media

DROS VajraClaw Hacker

16

Top-Celestial-Company-Ltd/DROS-VajraClaw-Hacker

Deterministic execution governance gateway and W3C DID security guardrail for AI agent MCP tool calls.

LocalFreePythonSecurity & Identity

Kremis

16

TyKolt/kremis

Local deterministic knowledge graph on redb with no LLM or embedding calls, BLAKE3 state hashing and canonical export for byte-identical audits.

LocalFreeRustKnowledge, Memory & RAG

Mysql

16

dave-wind/mysql-mcp-server

Read-only MySQL database access.

LocalFreeGoDatabases

Netops

16

alpadalar/netops-mcp

DevOps and networking tools: network monitoring, system diagnostics, automation workflows and infrastructure management.

LocalFreePythonAI Agents & Coding Agents

NPM Search

16

btwiuse/npm-search-mcp-server

Search for npm packages

LocalFreeSearch & Web Scraping

Openobserve Community

16

alilxxey/openobserve-community-mcp

Read-only access to OpenObserve Community Edition: search logs, traces, stream schemas and dashboards without an Enterprise license.

LocalFreePythonMonitoring & Observability

Stockfish

16

sonirico/mcp-stockfish

Access the Stockfish chess engine.

LocalFreeGoGaming

Thehive

16

gbrigandi/mcp-server-thehive

TheHive integration for collaborative security incident response and case management.

LocalFreeRustSecurity & Identity

Webcrawl

16

andyliszewski/webcrawl-mcp

Local-first web scraping, DuckDuckGo search, site mapping and crawling, using trafilatura with an optional Firecrawl fallback for JS-rendered pages.

LocalFreePythonSearch & Web Scraping

AI Visibility

11158

sharozdawa/ai-visibility

Track brand visibility across ChatGPT, Perplexity, Claude and Gemini: visibility scores, sentiment analysis, competitor detection and trend charts.

LocalFreeTypeScriptMarketing

Editmamei

161.9k

editmamei/editmamei

Natural-language interface for Adobe Photoshop that plans edits and executes them with native Photoshop tools rather than generative AI.

LocalFreeTypeScriptMultimedia, Audio & Video

Gopher & Gemini

16

cameronrye/gopher-mcp

Browse Gopher and Gemini protocol resources, with TLS support and structured content extraction.

LocalFreePythonSearch & Web Scraping

Linksee Memory

16460

michielinksee/linksee-memory

Local-first cross-agent memory in one SQLite file with a layered structure, Ebbinghaus-style forgetting and detection of code drifting from past decisions.

LocalFreeTypeScriptKnowledge, Memory & RAG

Macos Vision

8245

woladi/macos-vision-mcp

Offline OCR and image analysis via Apple's Vision framework: text from images and PDFs with bounding boxes, face, barcode and QR detection, and classification.

LocalFreeTypeScriptMultimedia, Audio & Video

Obsidian Everywhere

16447

junnnnnw00/obsidian-everywhere

Graph-native Obsidian vault access: search, backlinks, n-hop neighborhoods, paginated reads and safe partial and bulk edits with dry-run and rollback.

LocalFreeTypeScriptKnowledge, Memory & RAG

Pendpost

16972

pendpost/pendpost

Local-first social media drafting and scheduling for Instagram, LinkedIn, X, Nostr, WordPress, Ghost and more, behind a human approval gate.

LocalFreeTypeScriptSocial Media

Redacta

8248

nickjlamb/redacta

Privacy boundary for healthcare AI agents: pseudonymises patient identifiers (NHS numbers, names, dates of birth, addresses; UK and US) into labelled tokens locally, keeps the reversal map out of agent context, and restores originals only at the trusted boundary.

LocalFreeTypeScriptSecurity & Identity

Vatnode

2424

vatnode/vatnode-mcp

EU VAT number validation via the European Commission's VIES service, plus offline VAT rates and format checks for European countries.

LocalFreeTypeScriptFinance, Fintech & Payments

3D AR Studio

11162

nirholas/3D-AR-Studio

Put 3D models in someone's real room: generate, arrange, and hand back one AR link.

LocalFreeAI Agents & Coding Agents

AI Proof of Us

4356

0xddneto/AI-Proof-of-Us

Private signed AI task receipts with replay checks and optional validated AIPOU claims.

LocalFreeProductivity & Project Management

Aletheia

16

firatmio/aletheia

Project memory for coding agents whose memories carry code evidence, re-checked on every recall.

LocalFreeKnowledge, Memory & RAG

Argosor

480

com.argosor/mcp

Unified 15-tool SEO, SERP, clean Markdown & GEO (LLM citation Share-of-Voice) MCP server.

Local + RemoteFreeSearch & Web Scraping

Audit

492

com.sulvo.publisher-revenue-audit/audit

Publisher revenue audit: ads.txt and ad-stack checks, Sulvo onboarding, and Boost ad-block recovery

Local + RemoteFreeMarketing

Bostrom

470

cyberia-to/bostrom-mcp

86-tool MCP server for Bostrom blockchain: read chain state and sign transactions

LocalFreeFinance, Fintech & Payments

Claude Checkpoint

0492

tenlean/claude-checkpoint-mcp

MCP server that checkpoints Claude Code session context to survive crashes and token limits

LocalFreeAI Agents & Coding Agents

cli2mcp

12127

RonieNeubauer/cli2mcp

Wrap any CLI as a Model Context Protocol server - schema auto-inferred from --help.

LocalFreeAI Agents & Coding Agents

Delentia Sovereign AI Operating System

0487

delentia-labs/delentia-mcp

Advisory MCP tools: policy score, reasoning checklist, compression. To enforce, use delentia-guard.

LocalFreeOther Tools & Integrations

Docdex

165.3k

bekirdag/docdex

Fast per-repo documentation indexer and full-text search MCP server for codebases.

LocalFreeSearch & Web Scraping

Enigmagent

7266

Agnuxo1/enigmagent-mcp

Local AES-256-GCM vault for AI agents. Secrets stay local, LLMs never see real API keys.

LocalFreeSecurity & Identity

Exit1 Uptime Monitoring

0466

Mopra/exit1.dev.mcp

Set up uptime monitoring from your editor: create checks, alerts, and query uptime. Can sign you up.

Local + RemoteFreeMonitoring & Observability

Fantasy Premier League (FPL)

0485

GilbertKamau/fpl_mcp

FPL data, points predictions, and transfer, captain and chip advice for any team.

Local + RemoteFreeOther Tools & Integrations

Forgeprint

0492

forgeprint/forgeprint

Resolve a developer profile to exactly one project blueprint and return its CI-tested setup recipe.

LocalFreeProductivity & Project Management

Freetogame

488

mrfentmen/freetogame-mcp

Browse free to play PC games and their details from FreeToGame. No key required.

LocalFreeOther Tools & Integrations

FSharp.Refactor

16

Thorium/fsharp-refactor

Offline analyzers that find and fix intent-hiding, slow or noisy F#, including agent-written code.

LocalFreeAI Agents & Coding Agents