Free MCP servers · page 110

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 5233–5280

Repo Cartographer

2180

builditwithgk/repo-cartographer

Turn a repo into Mermaid or Graphviz architecture diagrams from its file tree, import graph and entry points; also enforces architecture rules in CI.

LocalFreeTypeScriptArt & Design

Road Poneglyph

2

xfloukiex-lab/road-poneglyph

Review a plan for what's missing: unstated assumptions, omitted technical risks and execution blind spots, as a structured pre-mortem.

LocalFreePythonProductivity & Project Management

Samuraizer

2

UladzKha/samuraizer-cli

Local meeting pipeline: Whisper transcription plus Ollama summaries, action items and decisions. Reference implementation of the memnex spec.

LocalFreeTypeScriptProductivity & Project Management

SearchForge

2

divyanshu-iitian/SearchForge

Capability-routed search and web reading across GitHub, Crossref, Hacker News, Wikipedia and private SearXNG, plus URL-to-Markdown and health diagnostics.

LocalFreeTypeScriptSearch & Web Scraping

searchts

2

capad-xyz/searchts

Read bot-walled pages as Markdown via an escalating unlocker, plus multi-provider web search with rank fusion, video transcripts and page asset grabbing.

LocalFreePythonSearch & Web Scraping

server-noonien

21.3k

sequico/server-noonien

Shared, serverless, conflict-free memory for AI agents: a multi-machine drop-in for the MCP memory knowledge graph, converging per-node shards with no server.

LocalFreeTypeScriptKnowledge, Memory & RAG

SpendShield

2

felixpg13-glitch/spendshield

Payment guardrails for AI agents: spend caps, budget and approval gates, prompt-injection defense, an encrypted secret vault and an audit trail.

LocalFreePythonSecurity & Identity

STM32 GDB Debugger

2

Zeraissh/stm32-gdb-mcp

Debug STM32 firmware on real hardware via GDB + OpenOCD/ST-Link/J-Link: flash, breakpoints, memory/registers, HardFault-to-source triage, FreeRTOS awareness, SWO/RTT logging and multi-board sessions, with decoded structured results.

LocalFreePythonIoT, Home & Embedded

Taskbounty Check

2161

eliottreich/taskbounty-check

Local, read-only scanner for GitHub Actions and CI maintenance issues in AI-built apps, with finding explanations and fix plans.

LocalFreeTypeScriptSecurity & Identity

True Memory Fragments

2

kyle641320/true-memory-fragments

Checks source-context freshness against a Git working tree and retrieves source-linked code relationships to surface stale knowledge and cross-file impact.

LocalFreePythonDeveloper Tools

Unfragile

2

Savirinc/unfragile-mcp-server

Resolve an agent's intent to the right MCP server across registries, with an invocation-ready snippet and an Ed25519-signed trust passport.

LocalFreeTypeScriptSearch & Web Scraping

Usb Rea

2

emirmrkaljevic/usb-rea

Reverse engineer USB gadgets: capture vendor-app traffic (usbmon/USBPcap), infer the protocol with frame-level evidence and generate a pyusb driver. Replay requires human confirmation.

LocalFreePythonIoT, Home & Embedded

Vectr

2

swapnanil/vectr

Semantic codebase search and persistent working memory: hybrid dense and BM25 search over AST-aware chunks, a symbol graph and notes that survive restarts.

LocalFreePythonDeveloper Tools

Whoop

2

rajdeepmondaldotcom/whoop-mcp-server

WHOOP recovery, sleep, strain and workouts with trend analysis, lag-aware correlations, training load and full-history export, plus a demo mode.

LocalFreePythonSports

Woocommerce

2

wppoland/woocommerce-mcp

Read-only WordPress and WooCommerce access via REST APIs: search products, product details, recent orders, sales reports and blog-post search.

LocalFreeTypeScriptE-Commerce & Delivery

x64dbg

2

rison1337/x64dbgMCP

Guarded x64dbg/x32dbg debugging on Windows with SHA-256 target identity, breakpoint capture, verified memory writes, PE dumps, and IDA evidence exchange.

LocalFreePythonDeveloper Tools

youtube-kit

2

eukosh/youtube-kit

Search and read public YouTube, and manage your own channels: analytics, uploads, metadata, playlists and comment moderation, with two-step deletes. Also a CLI (ytk).

LocalFreePythonSocial Media

Derbent

2

tunahanaliozturk/derbent

One local gate for Claude Code, Codex, Copilot CLI and Antigravity: allow, deny and ask rules over MCP and built-in tool calls, approvals from a terminal UI, and hash-chained receipts.

LocalFreeGoSecurity & Identity

P2Predict

2

ahmed-khalil-hafsi/P2Predict

Local price benchmarking trained on your purchasing history: predict part costs, attribute them to spec and supplier drivers and get a likely price range.

LocalFreePythonIoT, Home & Embedded

Smolmux

2

magnusmalm/smolmux

Serial and GDB/SWD MCP servers backed by a broker that shares one device link between agents, a human monitor and scripts: console history, send/expect, boot-stage tracking, U-Boot autoboot break-in, flasher handoff, breakpoints, Cortex-M fault decode, and unknown-board probing (chip identify to starter profile).

LocalFreeC/C++IoT, Home & Embedded

UEAgent

2

CarlxsMG/UEAgent

MCP server built into the Unreal Engine 5 editor: AI agents create and edit Blueprints, materials, levels, Niagara, animation, UMG, PCG, Sequencer, GAS and Behavior Trees, with every change checked and read back.

LocalFreeC/C++Gaming

A0

2

Joe-Simo/a0

Write, check, run and compile A0 programs through revision-checked structured edits.

LocalFreeOther Tools & Integrations

A2ABench

2

khalidsaidi/a2abench

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

Local + RemoteFreeAI Agents & Coding Agents

Advisorfinder

2

drew-keever/advisorfinder-mcp

Search and vet SEC-registered financial advisors: profiles, disclosures, firm fees, credentials.

Local + RemoteFreeSearch & Web Scraping

AfterEffects-MCP-IMT + SKILLS

2

Immersive-Media-Technologies/aftereffects-mcp-imt

After Effects for AI agents: every Adobe UI language, large skills library, generative workflows

LocalFreeAI Agents & Coding Agents

Afterpaths

2

burnssa/afterpaths

Session memory for AI coding agents. Search past sessions, extract rules, and track what works.

LocalFreeSearch & Web Scraping

Agent Booster

2

sseshachala/agent-booster

Cut AI agent token costs 5-15x — routes only relevant code symbols instead of full files.

LocalFreeAI Agents & Coding Agents

Agent Observability

2220

KryptosAI/agent-observability

Trace AI agent execution: every tool call, every error, every dollar. Open source, local-first.

LocalFreeMonitoring & Observability

Agent Runtime Guard

2525

DSHCorrectover/agent-runtime-guard

Agent 运行时全栈拦截: allow/deny tool calls, Ed25519 receipts, blocks RCE, theft, SSRF, injection. stdio.

LocalFreeAI Agents & Coding Agents

Agentic Research Engine Oss

2

TheAiSingularity/agentic-research-engine-oss

Local research agent that verifies its own answers. Runs on Gemma 3 4B + Ollama, $0/query.

LocalFreeAI Agents & Coding Agents

AgentRaaS wrap

2

agentraas/agentraas

Wraps any MCP server: identical write-tool calls run once, and every tool call is audit-logged.

LocalFreeAI Agents & Coding Agents

Agentrisk

2

trycoin-ai/agentrisk

Risk guardrails for AI trading agents. Your agent proposes; your policy decides.

LocalFreeFinance, Fintech & Payments

Agentry.sh Observability

2

fr33dr4g0n/agentry-public

Canonical Agentry discovery for coding agents: analytics, errors, deploys, and automation.

LocalFreeMonitoring & Observability

aichivist

2

luftphilipp/aichivist

Clean up your files like an archivist: rename, sort, de-duplicate with plans you approve and undo.

LocalFreeOther Tools & Integrations

aide-memory

2161

aide-memory/aide-memory

Persistent memory layer for AI coding agents — your agent remembers what you taught it.

LocalFreeKnowledge, Memory & RAG

Airlock

2

adamorad/airlock

Local daemon giving AI agents named locks, shared state, events, and a task queue over MCP.

LocalFreeProductivity & Project Management

Aktar

2

getaktar/cli

Upload files to your own S3, Cloudflare R2 or B2 bucket through the Aktar app and get links.

LocalFreeCloud Platforms

Albumen

2

jay-the-maker/albumen

Albumen: the open-source alternative to iCloud Photos, Google Photos and Frame.io.

LocalFreeOther Tools & Integrations

Alembica

2

open-and-sustainable/alembica

MCP server for Alembica validation, extraction, cost estimation, and schema queries.

LocalFreeSearch & Web Scraping

Align CLI

2

aligndottech/align-cli

Cross-tool decision memory for AI coding agents: search your decision graph, check changes over MCP.

LocalFreeSearch & Web Scraping

Alphasmo Tools

2207

alphasmo/alphasmo-tools

CLI + MCP server for SEC 13F institutional holdings, insider trading, and smart money convergence.

LocalFreeFinance, Fintech & Payments

Amazon Orders

2

alexdlaird/amazon-orders-mcp

An MCP server for Amazon order history, line items, and transactions, built on amazon-orders

LocalFreeE-Commerce & Delivery

Amicus

23.2k

BourbonDog/amicus

Multi-model LLM Council and parallel AI window for Claude Code. Fork any model, fold results back.

LocalFreeAI Agents & Coding Agents

anairyspirit

22.2k

Seventhwalllab/anairyspirit

An AI agent's own long-term memory, on your machine. Needs a one-time: npx anairyspirit setup

LocalFreeKnowledge, Memory & RAG

Anime

2

cyanheads/anime-mcp-server

Search anime/manga, franchise relations, schedule, characters, rankings, studio filmography.

LocalFreeSearch & Web Scraping

AntFeed

2

Augustas11/antseed-explorer

Discover and transact on the AntSeed P2P AI network from any MCP-compatible agent.

LocalFreeAI Agents & Coding Agents

API Shakedown

2

anzar-ahsan-commits/api-shakedown

Turn an OpenAPI spec into WireMock stubs, contract tests and chaos scenarios, on local LLMs.

LocalFreeAI Agents & Coding Agents

Apple Calendar

2

redpop/apple-calendar-mcp

Read and create Apple Calendar events on macOS, and find free time across calendars.

LocalFreeProductivity & Project Management