MCP Server Directory

45,118 Model Context Protocol servers for Claude Code, Claude Desktop, Cursor and every MCP client. Filter by what they do, whether they run locally or remotely, and whether they're free.

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1,389 servers in Developer Tools

Mtg

439

mrfentmen/mtg-mcp

Magic the Gathering cards from MTG API. No key required.

LocalFreeDeveloper Tools

Nobel

455

mrfentmen/nobel-mcp

Nobel Prize laureates, prizes, and years from the official Nobel API. No key required.

LocalFreeDeveloper Tools

OptiVibe

15

chuang44-tiff/optivibe-mcp

Lens design automation for Zemax OpticStudio through the typed ZOS-API

LocalFreeDeveloper Tools

Fastmcp Sonarqube Metrics

14

ArchAI-Labs/fastmcp-sonarqube-metrics

Retrieve SonarQube project information: current and historical metrics, issues and health status.

LocalFreePythonDeveloper Tools

Fenestra

14

richer-richard/fenestra/fenestra-mcp

Headless rendering and verification of native Rust GUIs: accessibility tree, semantic selectors, contrast and focus-order checks, and screenshot diffs.

LocalFreeRustDeveloper Tools

Tokenchit

14

iyashjayesh/tokenchit

Reads local Claude Code, Codex and OpenCode usage logs: token totals, daily and hourly activity, per-agent and per-model breakdowns and a year-in-review recap.

LocalFreeTypeScriptDeveloper Tools

adb

14

iksnerd/adb-mcp

Drive Android emulators and devices over adb: screenshots, UI inspection, tap/swipe/type, app lifecycle, logcat, screen recording and Gradle builds and tests.

LocalFreeGoDeveloper Tools

Design Token Bridge

5259

kenneives/design-token-bridge-mcp

Translates design tokens from Tailwind, CSS, Figma or W3C DTCG into Material 3, SwiftUI, Tailwind config and CSS variables, with WCAG contrast validation.

LocalFreeTypeScriptDeveloper Tools

ellmos CodeCommander

4314

ellmos-ai/ellmos-codecommander-mcp

Code analysis, JSON repair, encoding fixes and import organization for local projects.

LocalFreeTypeScriptDeveloper Tools

Memorydetective

14291

carloshpdoc/memorydetective

iOS memory leak and performance investigation: reads .memgraph and .trace files, classifies retain cycles against known patterns and suggests Swift fixes.

LocalFreeTypeScriptDeveloper Tools

Barcode Scanner

1404

domdomegg/barcode-scanner-mcp

Scan and generate barcodes and QR codes.

LocalFreeDeveloper Tools

Evernode

2346

Hugegreencandle/evernode-mcp

Evernode/HotPocket dApp helper: templates, non-determinism lint, lease math, live host lookup.

LocalFreeDeveloper Tools

Fbc Guard

0416

adsandcode/fbc-guard

Static checks for Meta _fbc, _fbp and fbclid code that cause modified click ID warnings.

LocalFreeDeveloper Tools

Garmin Connect Personal API

0422

DynamicsNinja/connect-personal-api-js

Read your Garmin sleep, HRV, steps, stress, Body Battery, and activities (unofficial)

LocalFreeDeveloper Tools

Longhorn

0405

rafaelgaspar/longhorn-mcp

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

LocalFreeDeveloper Tools

Myvariant

429

mrfentmen/myvariant-mcp

MyVariant.info variant annotation API.

LocalFreeDeveloper Tools

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

Ron Swanson

434

mrfentmen/ron-swanson-mcp

Ron Swanson quotes from the Ron Swanson Quotes API. No key required.

LocalFreeDeveloper Tools

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

Context Rot Detection

13

milos-product-maker/context-rot-detection

Monitors agent context health: token utilization, context quality degradation and session fatigue, with 0-100 health scores and recovery recommendations.

LocalFreeTypeScriptDeveloper Tools

Locust

13

QAInsights/locust-mcp-server

Performance testing with Locust.

LocalFreePythonDeveloper Tools

Swift Patterns

13

efremidze/swift-patterns-mcp

Curated Swift and SwiftUI patterns and real-world code examples from sources like Swift by Sundell and SwiftLee.

LocalFreeTypeScriptDeveloper Tools

vs Token Safer

13

JSungMin/vs-token-safer

Routes code search through language-server indexes (clangd, Roslyn, tsserver, pyright) instead of grep, plus symbol-level edits and git/p4 output compaction.

LocalFreeTypeScriptDeveloper Tools

API Testing

13

cocaxcode/api-testing-mcp

API testing: per-project environments with variable interpolation, saved collections, multi-step flows, assertions, load testing and OpenAPI mock generation.

LocalFreeTypeScriptDeveloper Tools

Atest

8156

LinuxSuRen/atest-mcp-server

Manage API test suites and test cases with atest.

LocalFreeTypeScriptDeveloper Tools

DevDocs

13

madhan-g-p/DevDocs-MCP

Version-pinned, offline documentation sourced from DevDocs.io.

LocalFreeTypeScriptDeveloper Tools

Podium

6199

hoainho/podium-mcp

Mobile E2E testing on macOS: iOS Simulator control, native UI automation, Maestro flows, React Native debugging and WebView DOM inspection.

LocalFreeTypeScriptDeveloper Tools

ToolForte

402

IBAN/VAT/BSN checks, Dutch tax and dates, cron, regex, conversions and PDF or screenshot rendering.

Local + RemoteFreeDeveloper Tools

Caddy

13

YawLabs/caddy-mcp

MCP server for managing Caddy web servers via the admin API

LocalFreeDeveloper Tools

Open Primitive API

1350

writesdavid/open-primitive-api

33 tools, 30 US federal data domains. Ed25519 signed, provenance chains, entity graph. Free.

LocalFreeDeveloper Tools

Silica

13

simaanc/silica-eda

RTL and FPGA tools: lint, simulate, formal, synthesize, place and route, program a board.

LocalFreeDeveloper Tools

ALAPI

12

ALAPI-SDK/mcp-alapi-cn

ALAPI MCP Tools,Call hundreds of API interfaces via MCP

LocalFreeDeveloper Tools

Unified Diff

12

gorosun/unified-diff-mcp

Generate and visualize unified diffs as HTML or PNG, with side-by-side and line-by-line views for filesystem dry runs.

LocalFreeTypeScriptDeveloper Tools

Gitingest

12

narumiruna/gitingest-mcp

Convert any Git repository into a text digest of its codebase using gitingest.

LocalFreePythonDeveloper Tools

IOS Code Quality

12

a-25/ios-mcp-code-quality-server

iOS code quality and test automation: Xcode test execution, SwiftLint integration and failure analysis. Also runs as a CLI.

LocalFreeTypeScriptDeveloper Tools

Pharo Smalltalk Interop

12

mumez/pharo-smalltalk-interop-mcp-server

Pharo Smalltalk integration: code evaluation, class and method introspection, package management, test execution and project installation in Pharo images.

LocalFreePythonDeveloper Tools

Skill Ninja

12

aktsmm/skill-ninja-mcp-server

Search, install and manage agent skills (SKILL.md files) from GitHub repositories, with workspace analysis for personalized recommendations.

LocalFreeTypeScriptDeveloper Tools

vex

12

tenatarika/vex

Local code search over a tree-sitter index: exact symbol lookup, scope-aware usages, call graph and impact analysis, AST patterns, indexed grep and semantic search across 19 languages.

LocalFreeRustDeveloper Tools

API Translator

1334

krishgok/mcp-api-translator

Turn OpenAPI / Postman specs into runnable MCP servers, or serve any API as live MCP tools.

LocalFreeDeveloper Tools

Bibtex Reference Manager

0350

AnonymousOnyx22/bibtex-reference-manager-mcp

BibTeX reference manager. Parse, convert, dedupe, lint BibTeX, RIS, CSL JSON and make cite keys.

LocalFreeDeveloper Tools

Census

351

mrfentmen/census-mcp

US Census population data by nation, state, and county. Requires a free Census API key.

LocalFreeDeveloper Tools

Japan Data

12

Izyuusya/japan-data-mcp

日本の公的データ(統計・法人・不動産)にAIからアクセスするMCPサーバー。e-Stat統計API・法人番号Web-API・不動産情報ライブラリAPIの3API統合。全国約1,700市区町村対応。

LocalFreeDeveloper Tools

Trials & Drug Resolver

351

Postlytllp/trials-drug-resolver-mcp

Harmonise drug names and clinical trials using public licence-clean APIs.

LocalFreeDeveloper Tools

Conan

11

conan-io/conan-mcp

Conan C/C++ package manager: create projects, manage dependencies, check licenses and scan for security vulnerabilities.

LocalFreePythonDeveloper Tools

Garmin Documentation

11

ztuskes/garmin-documentation-mcp-server

Offline Garmin Connect IQ SDK documentation with search and API examples.

LocalFreeTypeScriptDeveloper Tools

Gavel

11

gavelcode/gavel

Code-quality gate for Bazel monorepos: runs lint, coverage and architecture checks from the build graph and returns a pass/fail verdict.

LocalFreeGoDeveloper Tools

Ballmac UI

11

vamsiy78/ballmac-ui

Search, inspect and install Ballmac UI React + Tailwind components, blocks and templates, with props, keyboard notes and the exact shadcn install command, and plan whole pages from blocks.

LocalFreeTypeScriptDeveloper Tools