Free MCP servers · page 234

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 11185–11232

Twilize

subhatta123/twilize

Generate Tableau .twb/.twbx workbooks: 47 tools for charts, dashboards, rules, CSV pipelines.

Local + RemoteFreeData Science & Visualization

Tx Dmv

0

pipeworx-io/mcp-tx-dmv

Texas DMV MCP — statewide vehicle, pickup and motorcycle registration totals by fiscal year, from…

Local + RemoteFreeOther Tools & Integrations

Tx Medical Exclusions

0

pipeworx-io/mcp-tx-medical-exclusions

Texas HHSC Office of Inspector General (OIG) Medicaid Provider Exclusions Database screening…

Local + RemoteFreeDatabases

Typeship

0

typeship-ax/mcp

Generate a typed SDK, CLI, and MCP server from any OpenAPI or GraphQL spec, and keep them current.

Local + RemoteFreeDeveloper Tools

Ucc Liens

0

pipeworx-io/mcp-ucc-liens

UCC Liens — business-debtor UCC (Uniform Commercial Code) financing statements for Colorado…

Local + RemoteFreeDeveloper Tools

Ucdp

0

pipeworx-io/mcp-ucdp

Armed-conflict deaths, active wars and violence events from the Uppsala Conflict Data Program…

Local + RemoteFreeOther Tools & Integrations

Ucsc Genome

0

pipeworx-io/mcp-ucsc-genome

UCSC Genome Browser REST API — reference genome assemblies for ~250 species, the annotation tracks…

Local + RemoteFreeBrowser Automation

uk AI Act

0

CSOAI-ORG/uk-ai-act-mcp

UK AI regulation compliance tools for AI agents. Capabilities: UK risk classification, AISI

LocalFreeAI Agents & Coding Agents

uk AI Bill Compliance

0

CSOAI-ORG/uk-ai-bill-compliance-mcp

UK AI Regulation Compliance MCP. Automates audits against the UK AI White Paper five principles ...

LocalFreeOther Tools & Integrations

UK Break Clause Analyzer

0

Ankur-stockheads/rubo-mcp

Assess UK lease tenant break clauses with grounded citations and a measured hallucination rate.

LocalFreeOther Tools & Integrations

Uk Charity Commission

0

pipeworx-io/mcp-uk-charity-commission

UK Register of Charities from the Charity Commission for England and Wales: look up any registered…

Local + RemoteFreeOther Tools & Integrations

Uk Gazette

0

pipeworx-io/mcp-uk-gazette

UK Gazette MCP — The Gazette (www.thegazette.co.uk), the UK's official public record (London /…

Local + RemoteFreeOther Tools & Integrations

UK National Archives Discovery

0

ianderso/tna-discovery-mcp

Search the UK National Archives' Discovery catalogue; find Chelsea pensioners' papers in WO 97.

LocalFreeSearch & Web Scraping

Uk Planning Data

0

pipeworx-io/mcp-uk-planning-data

UK planning designations from planning.data.gov.uk, the MHCLG national planning data platform…

Local + RemoteFreeOther Tools & Integrations

Uk Trade Tariff

0

pipeworx-io/mcp-uk-trade-tariff

UK Integrated Online Tariff from HMRC's trade-tariff service: look up a UK commodity code, its…

Local + RemoteFreeDeveloper Tools

Ukpolice

0

pipeworx-io/mcp-ukpolice

UK Police MCP — wraps the UK Police Data API (free, no auth) https://data.police.uk/api

Local + RemoteFreeSecurity & Identity

Ukrainian Language Reference (vitalinguist)

0

vitalinguist/ukr-vitalinguist-mcp

Ukrainian grammar/surzhyk check + authentic-rendering lookup. Wraps ukr.vitalinguist.com API.

LocalFreeSecurity & Identity

Ukri Gtr

0

pipeworx-io/mcp-ukri-gtr

UKRI Gateway to Research (GtR) MCP — every grant awarded by the UK's seven research councils plus…

Local + RemoteFreeOther Tools & Integrations

Ulink

0

FlywheelStudio/ulink-mcp-server

Deep linking for iOS, Android, Flutter & React Native. Firebase Dynamic Links alternative.

LocalFreeOther Tools & Integrations

Umbra Xmr Bridge

beepboop2025/umbra-xmr-bridge

Verify Umbra bridge accountability proofs (signed receipts, checkpoints, Merkle inclusion).

LocalFreeOther Tools & Integrations

Umbryn

0

Rinava/umbryn-mcp

Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress.

LocalFreeAI Agents & Coding Agents

Umls

0

pipeworx-io/mcp-umls

UMLS MCP — wraps the NLM UMLS Terminology Services REST API (uts-ws.nlm.nih.gov/rest)

Local + RemoteFreeDeveloper Tools

UN Charter 1945

0

arxohq/arxo-charter-1945

UN Charter (1945, as amended) as an executable model with worked cases; not UN-affiliated

Local + RemoteFreeData Science & Visualization

Un-Default

184

NomadBuilder/anti-default

Catch racist, sexist & ableist defaults in AI and human copy. Local rules, no account.

LocalFreeOther Tools & Integrations

Unblu

detailobsessed/unblu-mcp

Operate Unblu deployments: health checks, conversation ops, and 300+ API endpoints

LocalFreeDeveloper Tools

unerr

unerr-ai/unerr-cli

Operational memory for AI agents: code graph, session memory & guardrails. No context rot.

LocalFreeKnowledge, Memory & RAG

Unicef

0

pipeworx-io/mcp-unicef

UNICEF Data (UN Children's Fund) MCP — global statistics on child health, nutrition, education…

Local + RemoteFreeData Science & Visualization

Unicode Logic Kit

0

fvossel/unicode-logic-kit

Parse, check, prove and translate logic formulas: first-order, modal, description, higher-order.

LocalFreeE-Commerce & Delivery

UNIDROIT Principles 2016

0

arxohq/arxo-unidroit-picc

UNIDROIT Principles 2016 as executable rules: closed questions answered with grounds and source text

Local + RemoteFreeOther Tools & Integrations

UniFi

0

mattoddie/unifi-mcp

Manage a Ubiquiti UniFi network: devices, clients, WiFi, firewall and VPN. Read-only by default.

LocalFreeOther Tools & Integrations

Unified Offer Protocol

Chris85appding/unified-offer-protocol-front

AI-powered product search, affiliate links, and price negotiation for e-commerce platforms

Local + RemoteFreeSearch & Web Scraping

Unified Reading

0

emrecolako/unified-reading

Life Path number, Sun sign and Chinese zodiac for a birth date, plus Lunar New Year lookups.

Local + RemoteFreeOther Tools & Integrations

Uniswap tx Builder

0

Yummybait-fin/uniswap-tx-builder-mcp

Builds and simulates unsigned Uniswap v3 liquidity-position transactions — keyless, never signs.

LocalFreeOther Tools & Integrations

Unit Converter

mrfentmen/unit-converter-mcp

Convert between units of length, weight, temperature, speed, and data size locally. No network...

LocalFreeOther Tools & Integrations

Unit Converter AI

0

CSOAI-ORG/unit-converter-ai-mcp

AI-powered unit converter ai MCP server for agents. Supports convert length, convert weight

LocalFreeAI Agents & Coding Agents

Univercity

davidscoreal/univercity-mcp

8-dimension business diagnosis with Revenue Leak Score and triple-option recommendations

Local + RemoteFreeOther Tools & Integrations

Universal

Fashad-Ahmed/universal-mcp

Security-first MCP server for PostgreSQL, SQLite, MySQL, DuckDB with SQL injection prevention.

LocalFreeDatabases

Universal Brute Workpack

0

haoyun18881-beep/universal-brute-workpack

Stdio-first Agent MCP workpack for local tools, audit chains, search, memory, and pipelines.

LocalFreeSearch & Web Scraping

Universal DB (read-only)

0

alghanim/universal-db-mcp

Read-only, guarded SQL access for AI agents: PostgreSQL, MySQL, ClickHouse, Oracle, SQL Server, Db2

LocalFreeDatabases

Universal File Opener CLI

0

krauqllc/ufo-cli

Inspect files, extract content and make guarded edits locally. Linux x86_64, glibc 2.35+.

LocalFreeSearch & Web Scraping

Universal Research

0

mp-juns/universal-research-mcp

Provenance-first research memory with hash-bound evidence and a fail-closed eligibility gate.

LocalFreeKnowledge, Memory & RAG

unmarking

ing.unmark/unmarking

Inspect and remove C2PA content credentials from AI-generated images, video and audio. Free, no key.

Local + RemoteFreeMultimedia, Audio & Video

Unofficial Apple Music for macOS

jaminben/secure-applemusic-mcp-for-osx

Ask for a playlist. Get a real one, playing in Apple Music — no account, nothing stored.

LocalFreeMultimedia, Audio & Video

unreal-mcp-ue4-for-ohd

RibatTRW/unreal-mcp-ue4-for-OHD

UE4.25 MCP server for Unreal Editor via Python Remote Execution (OHD mod-kit retarget).

LocalFreeOther Tools & Integrations

Unrendered

0

missiongrowth/unrendered-ai-crawler-checker-mcp

AI crawler checker: shows which page content GPTBot and ClaudeBot can't read without JavaScript.

LocalFreeSearch & Web Scraping

unripe

glumly/unripe

Check how long ago a package version was published before an agent adds it, in 20 ecosystems.

LocalFreeAI Agents & Coding Agents

unripe

TexWoW/unripe

Check how long ago a package version was published before an agent adds it, in 20 ecosystems.

LocalFreeAI Agents & Coding Agents

Unswell

0

stokaro/unswell

Offline self-checking to reduce AI-style wording in source code and documentation.

LocalFreeDeveloper Tools