Free MCP servers · page 126

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 6001–6048

AsterMind

1

AsterMindAI/astermind-mcp

On-device reranking that cuts RAG context tokens ~67% while keeping a relevant passage.

LocalFreeKnowledge, Memory & RAG

Astracipher

1

san-techie21/astracipher

Cryptographic identity for AI agents: W3C DIDs, Verifiable Credentials, post-quantum crypto

LocalFreeFinance, Fintech & Payments

Atlas

1

AtlasDevHQ/atlas

Atlas is a YAML-defined semantic layer for analytics — authored by humans, consumed by AI agents.

LocalFreeFinance, Fintech & Payments

AtlasPI

1

Soil911/AtlasPI

Historical geography for AI agents: polities, GeoJSON borders, chains & events, 4500 BCE-today

LocalFreeLocation & Travel

Attest

1

dev-prathap/ATTEST

Decide by policy, gate behind a human, verify by read-back, record a hash-chained ledger.

LocalFreeOther Tools & Integrations

Attest Dev

1

chudah1/attest-dev

Credential enforcement middleware for MCP servers — verifies scoped tokens on every tool call

LocalFreeOther Tools & Integrations

Audiobookshelf

1

sierikov/audiobookshelf-mcp

Browse libraries, search books, and control playback in your self-hosted Audiobookshelf instance.

LocalFreeSearch & Web Scraping

Auseklis Astrology

1220

igmizo/auseklis

Astrology from a real ephemeris: natal charts, transits, synastry, eclipses, returns. No API keys.

LocalFreeLocation & Travel

AutoPM

1

fluidumber/AutoPM

18 AI product-management robots for market research, financials, and execution specs. No API keys

LocalFreeDeveloper Tools

AVCS

1

izagood/avcs

AI-native version control where intent, operation, evidence and decision are first-class objects.

LocalFreeOther Tools & Integrations

Awaitless

1

xpluspro/Awaitless

Durable execution and named concurrency queues for coding agents across local, SSH, and Slurm.

LocalFreeAI Agents & Coding Agents

AWT (AI Watch Tester)

1

ksgisang/awt-skill

AI-powered E2E testing MCP server. Detects and auto-fixes UI bugs via DevQA Loop and Vision AI.

LocalFreeDeveloper Tools

Azure Updates

1

jonnybottles/azure-updates-mcp

MCP server for Azure Updates RSS feed - search, filter, and summarize Azure service updates

LocalFreeSearch & Web Scraping

BackBond Agent Scan

1

BackBond/agent-scan

Vet MCP tool manifests before attachment; returns block, review, or no blocking finding.

LocalFreeAI Agents & Coding Agents

Backdraw

1939

devtalh/backdraw

Generate images with your own ChatGPT account in a background Chrome tab. Needs Windows + Chrome.

LocalFreeCommunication

Bambu Studio (unofficial)

1

danielefinocchiaro/unofficial-bambu-mcp

Build, edit, slice, check and calibrate Bambu Studio projects; read a Bambu Lab printer's status.

LocalFreeProductivity & Project Management

BankWeave

1

LSUDOKO/BankWeave

Read-only FalkorDB tools for cross-bank AML investigations: rings, money paths, echo-proof claims.

Local + RemoteFreeFinance, Fintech & Payments

Baton

1748

kanumuri9593/Baton

Run, hot-reload and screenshot Flutter, web, React Native and native iOS/Android apps.

LocalFreeBrowser Automation

Bca

1

blockchainacademics/bca-mcp

Crypto MCP — 104 tools across news, market, on-chain, sentiment, indicators, agent generation.

LocalFreeFinance, Fintech & Payments

be Eli

1

matematicsolutions/be-eli-mcp

MCP server for Belgian legislation (Moniteur Belge): ELI identifiers and citations.

LocalFreeOther Tools & Integrations

Benchwarmers

1

WendellResearch-AI/benchwarmers

Ask a collection of LLMs at once through your Benchwarmers server; verdicts pick the next panel.

LocalFreeAI Agents & Coding Agents

BensPDF

1

benbergner/BensPDF

Read PDFs locally: text, pages, metadata, scan detection, layout, permissions, render, OCR.

LocalFreeOther Tools & Integrations

Bhagavad Gita

1

pipeworx-io/mcp-bhagavad-gita

Bhagavad Gita MCP — Hindu scripture / Vedic text. Sanskrit verses (slokas) with English…

Local + RemoteFreeOther Tools & Integrations

Big Brain

1

jzhao234/big-brain

Plain-markdown second brain for you and your AI: notes, projects, tasks, search, links.

LocalFreeSearch & Web Scraping

Binky

1

andreisilva1/binky

Isolated dev environments, one per git worktree: ports, env, and DB slices as agent tools.

LocalFreeVersion Control

BinSight

1893

Alessiolucini/binsight

The AI X-ray for any file: what is it, what does it hide, what changed. Built on REA.

LocalFreeOther Tools & Integrations

Black Duck Security Scanner

1

blackducksoftware/mcp-server

AI-powered security scanning using Black Duck Signal for vulnerability detection.

LocalFreeSecurity & Identity

Bls Labor

1

cyanheads/bls-labor-mcp-server

Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP.

Local + RemoteFreeData Science & Visualization

Booboo

1

jessymariau/booboo

Query your AI system's wiring, knowledge, memory, agents and crons as one rooted graph over MCP.

LocalFreeKnowledge, Memory & RAG

Boot Doctor

1

pamela-0/boot-doctor-mcp

Deterministic PC no-boot/no-POST diagnostics: real beep-code tables, no LLM guessing.

LocalFreeAI Agents & Coding Agents

bouncer

1

nugehs/bouncer

Static compliance-controls checker for UK Online Safety Act & ICO Children's Code. CLI + MCP.

LocalFreeDeveloper Tools

Boundra

1

gobeyondfj-cmd/boundra

Allow, ask, or veto — a policy decision point your agent consults before signing any payment

Local + RemoteFreeFinance, Fintech & Payments

Br8n

1

anthonysuherli/br8n

Capture dev context on interrupt; replay it as a 30-second resume card. Git stash for your head.

LocalFreeVersion Control

brainCloud MCP Helper

1

getbraincloud/braincloud-mcp-helper

Helper for brainCloud MCP that gives it local file access, enabling easy git sync of cloud code.

LocalFreeVersion Control

Brevet

1

BrightbeamAI/brevet

Change control for what AI agents learn: humans promote, releases are signed, rules can be recalled

LocalFreeAI Agents & Coding Agents

Brick Bacnet

1

Yveshby27/brick-bacnet-mcp

Read-only BACnet/IP MCP gateway with Brick + Haystack semantic tagging at ingest

LocalFreeOther Tools & Integrations

Brownfield Cartographer

1

Sanoy24/the-brownfield-cartographer

Local impact and table, column and Airflow lineage for SQL, dbt, Python and TypeScript repos.

LocalFreeDatabases

Browser Compat

1

cyanheads/browser-compat-mcp-server

Browser compatibility and Baseline status for any web feature — offline, from bundled MDN data.

Local + RemoteFreeBrowser Automation

Bruster

1

aliilyas/bruster

Native-webview browser automation: navigate, fill forms, inspect pages, and capture screenshots.

LocalFreeBrowser Automation

Btp

1

ABRANJAN07/btp-mcp-server

Discover SAP BTP services, browse service catalog, check running instances, query dests, & more

LocalFreeOther Tools & Integrations

bug2context

1

emanueld92/bug2context

Turn bug screen recordings into chronological context for AI agents: frames, OCR, logcat, voice.

LocalFreeMultimedia, Audio & Video

Buggazi

11.2k

jyswee/buggazi

Project management for coding agents. Bugs, features, sprints. Streamable HTTP + SSE remotes.

Local + RemoteFreeProductivity & Project Management

Byteplant

1

byteplant-devops/byteplant-mcp

An MCP server that provides Email, Phone and Address Validation Services from Byteplant

LocalFreeCommunication

C# Class Analyzer

1

undy-mosq/CSharpAnalyserMcp

A read-only MCP server that lets an AI assistant browse any C# solution through Roslyn.

LocalFreeOther Tools & Integrations

cadloop OpenSCAD

1

richardofortune/cadloop

Compile OpenSCAD, read computed values, preview and measure the mesh, without a GUI.

LocalFreeOther Tools & Integrations

cal-scheduler

1

limey/cal-scheduler-mcp

Timezone-correct CalDAV scheduling MCP server with validated recurrence and single-occurrence edits.

LocalFreeOther Tools & Integrations

Calendar.app

1

p-l-ta/calendar-mcp

List, search, and manage calendar events via macOS Calendar.app across all configured accounts.

LocalFreeSearch & Web Scraping

Cali Elangdell

1

pipeworx-io/mcp-cali-elangdell

CALI eLangdell MCP — the free, Creative Commons-licensed US law-school casebooks and course…

Local + RemoteFreeOther Tools & Integrations