Free MCP servers · page 83

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 3937–3984

Whatsapp Stream

5

loglux/whatsapp-mcp-stream

WhatsApp integration with a web admin UI (QR login, status, settings), two-way media upload and download, and SQLite persistence.

LocalFreeTypeScriptCommunication

Aethyn Browser

155

aethynio/aethyn-browser-mcp

Drive a local Playwright browser through residential proxies with a chosen exit country or city and a sticky identity per task.

LocalFreeTypeScriptBrowser Automation

Agent Interviews MCP Server from MCPBundles

5

thinkchainai/mcpbundles

Create custom tool bundles, connect providers with OAuth or API keys, and use one MCP server across many integrations, with a UI for bundles and credentials.

Local + RemoteFreeAggregators & Gateways

BumpGuard

5

appcreationsca/bumpguard-mcp

Dependency-upgrade impact analysis for Python and .NET: which API usages break, with line numbers and fix hints, plus detection of hallucinated API calls.

LocalFreePythonDeveloper Tools

Chinese Almanac

0163

yonlandwu/chinese-almanac-mcp

Chinese almanac (Tung Shing): daily readings, hour-pillar luck ratings, NASA JPL-based solar terms, auspicious dates, zodiac horoscopes and lucky hours.

LocalFreeTypeScriptArt & Design

cmdxray

5440

aurelio-nakamura/cmdxray

Offline safety gate for agent shell commands: rates each command as danger, caution or none and explains every flag, pipe, redirect and subshell.

LocalFreeTypeScriptSecurity & Identity

Code Relay

0140

zarcherlot/code-relay

Branch-scoped runbooks and cross-machine verification with auditable receipts for coding agents.

LocalFreeGoVersion Control

Codearia Sieve

5163

AntonG87/codearia-sieve

Deterministically convert web pages into decision-ready state: ISO dates, numbers with units as facts and token-budgeted chunks anchored to the page.

LocalFreeTypeScriptSearch & Web Scraping

codecalc

5

The-40-Thieves/codecalc

Code and logic calculator with an offline core: run code, exact symbolic math, SMT/logic and complexity analysis, with optional gVisor/AppContainer sandboxing.

LocalFreePythonCode Execution

Ctxfile

5343

ctxfile/ctxfile

Snapshots a project's working state (files, git, plan, decisions) into one context object so a session can move between agents. Local and read-only.

LocalFreeTypeScriptKnowledge, Memory & RAG

DataLink

5

pilat/mcp-datalink

Secure access to PostgreSQL, MySQL and SQLite databases with parameterized queries and schema inspection.

LocalFreeTypeScriptDatabases

Dicom Hl7

5

NyxToolsDev/dicom-hl7-mcp-server

Bridge DICOM, HL7v2 and FHIR: cross-standard mapping, Mirth Connect channel generation, vendor private tag decoding and integration patterns.

LocalFreePythonScience & Research

Diffgate

5280

srbsa/diffgate

Deterministic guardrail for AI-written diffs: AST-based checks for SQLi, SSRF, XXE, hardcoded secrets and over-abstraction, scoped to the changed lines.

LocalFreeTypeScriptDeveloper Tools

Drawing Anonymizer

0152

imnoo-team/drawing-anonymizer-mcp

Anonymize technical-drawing PDFs before sharing them — company names, logos, people, addresses and contact data found automatically and masked, written as a flattened, metadata-free PDF or an expiring share link. Install via NPM: npx -y drawing-anonymizer-mcp

LocalFreeTypeScriptOther Tools & Integrations

Freebazi

0135

alexsu1212/freebazi-mcp

Offline Bazi (Four Pillars) charts with True Solar Time: Day Master, Ten Gods, hidden stems, Na Yin, Shen Sha, branch relations and Da Yun luck pillars.

LocalFreeTypeScriptOther Tools & Integrations

Graphiti Local

5

renezander030/graphiti-local

Local temporal knowledge graph with six read-only retrieval tools, Ollama inference, embedded LadybugDB, and a separate human-approved CLI write queue.

LocalFreePythonKnowledge, Memory & RAG

jobd

5

musharna/jobd

Self-hostable GPU-aware job broker: dispatch long-running or GPU jobs that outlive the session, route them by VRAM tier and monitor them across sessions.

LocalFreePythonCode Execution

Kepil

5

oleg-vdv/kepil

Accountability layer for AI agents: per-version passports, per-job mandates with spending limits, a fail-closed action gate and a hash-chained journal.

LocalFreePythonSecurity & Identity

LINZA

5

Semiotronika/LINZA-MCP

Review-gated sidecar for Markdown workspaces: indexes notes into SQLite and proposes links, domains and memory with evidence, editing files only after review.

LocalFreePythonKnowledge, Memory & RAG

Local YDB

5

astandrik/local-ydb-toolkit

Operate Docker-based local-ydb deployments locally or over SSH: bootstrap, diagnostics, auth hardening, storage workflows, dump/restore and upgrades.

LocalFreeTypeScriptDatabases

Optifeed Radar

5253

optifeed/optifeed-radar

Asks ChatGPT, Claude, Gemini and Perplexity buyer questions and scores whether a brand or its products get recommended, with share of voice and sources.

LocalFreeTypeScriptMarketing

PCI DSS v4.0.1 Compliance Checker

5

shyshlakov/pci-dss-mcp

PCI DSS static analysis for Go payment code: finds PAN/CVV exposure, weak crypto, missing audit logs and vulnerable deps, each mapped to a PCI requirement.

LocalFreeGoSecurity & Identity

Pkgdiet

5173

om-tajne/pkgdiet

AST-based dependency analyzer: flags unused packages, calculates actual install sizes and detects unmaintained dependencies.

LocalFreeTypeScriptDeveloper Tools

Prumo

5

TomD4vs/prumo

Checks coding-agent context files (CLAUDE.md, AGENTS.md, SKILL.md) against the git index: broken links, missing paths, undefined commands and drift.

LocalFreeTypeScriptDeveloper Tools

Rekindle

5888

Skitchy/rekindle

Session continuity: start-of-session reports with gap detection and scoring, structured end-of-session capture and BM25 memory search, stored in local SQLite.

LocalFreeTypeScriptKnowledge, Memory & RAG

Rememb

5

LuizEduPP/Rememb

Persistent agent memory in local JSON with sectioned entries (project, user, context), semantic search, a CLI and per-project scope.

LocalFreePythonKnowledge, Memory & RAG

Scholar RAG

5

notwhiteblank/scholar-rag-mcp

Academic paper knowledge base over local PDFs: MinerU parsing, metadata normalization, Qdrant vector search with reranking and paginated full-text reading.

LocalFreePythonKnowledge, Memory & RAG

slop-chop

5

dcadolph/slop-chop

Deterministic linter for AI writing tells. Offline by default, with an optional model pass if you want one.

LocalFreeGoDeveloper Tools

Vulcanus

5

sunsatosolutions/Vulcanus

Generates a Git-versioned Markdown vault as project memory, then serves it over MCP. recall returns a project's capsule plus the read-next list and warns when the capsule is older than the decisions beneath it; search ranks by layer; writes are scoped — update_capsule replaces one named section rather than rewriting the file. A doctor tool validates that every link resolves and every project is reachable, so the memory fails loudly instead of rotting. Plain Markdown, Obsidian-compatible, no database. npx @sunsato/vulcanus

LocalFreeTypeScriptKnowledge, Memory & RAG

Fagan

5

motock/fagan

Autonomous coding pipeline: a frontier model plans and reviews, a local model implements under TDD, and a merge gate re-runs the suite on the rebased branch.

LocalFreePythonDeveloper Tools

24htrack

0163

ngkienmkqn/24htrack-mcp

Track packages across 3,200+ carriers (USPS, UPS, FedEx, DHL & more) with auto carrier detection.

LocalFreeDeveloper Tools

Account Pool

0161

ankitsxchdeva/account-pool-mcp

Exclusive, crash-safe leases on a pool of test accounts for parallel agent QA runs.

LocalFreeAI Agents & Coding Agents

Adif

5

qso-graph/adif-mcp

ADIF 3.1.7 spec engine for amateur radio logs: validation, parsing, enumerations, geospatial.

LocalFreeMonitoring & Observability

Aeo

0139

arthurcarlsonn/aeo-mcp

AEO tools for AI agents: crawler permissions, llms.txt, structured data, AI-readiness audit.

LocalFreeSearch & Web Scraping

Agent Almanac

0157

survivorforge/agentalmanac-mcp

Search the Agent Almanac catalog of 9,000+ MCP servers from inside any MCP-aware agent.

LocalFreeSearch & Web Scraping

Agent Core

0136

kinbinghua-lgtm/agent-core-mcp

Deterministic computation tools for AI agents. Zero dependencies, no network, read-only.

LocalFreeAI Agents & Coding Agents

Agent Exchange Protocol

0143

tradewr333-lgtm/agent-exchange-protocol

Trust scores, opportunity feed, contracts and a paid crypto Decision API for AI agents.

LocalFreeFinance, Fintech & Payments

AgentTeam

163

RichardLemmon/AgentTeam

13 specialized AI agents collaborating via SQLite. 44 MCP tools. One-command install.

LocalFreeDatabases

AI Browser

5

Glittering/ai-browser

Visible Electron browser driven by a semantic accessibility tree: 17 MCP tools, no screenshots.

LocalFreeBrowser Automation

AI Price Index

0139

RoninForge/ai-price-index-mcp

Read-only, zero-key MCP server for point-in-time AI model API prices. Open data, CC BY 4.0.

LocalFreeAI Agents & Coding Agents

AI Process Manager (AIPM)

1115

aipm-engine/AIPM

Structured Windows state for AI agents: processes, windows, UI trees. No screenshots.

LocalFreeBrowser Automation

Aito

5

AitoDotAI/aito-python-tools

Predictions over your own data with $p and $why, no model training; says when Aito does not fit.

LocalFreeAI Agents & Coding Agents

Aoexl Sign

143

aryansingh0203/aoexl-mcp

Create signing requests, check status, send reminders, and manage Aoexl templates.

Local + RemoteFreeOther Tools & Integrations

App Store & Google Play

0141

JohnBilousov/appstore-play-mcp

Read-only access to App Store Connect and Google Play: apps, releases, and reviews.

LocalFreeOther Tools & Integrations

Apple Calendar

5

mgcrea/cupertino

Search, read and act on Apple Calendar — ranges, free-time lookup, writes off by default

LocalFreeSearch & Web Scraping

Apple Health

142

krumjahn/MacHealthAnalyzer

Apple Health data for Claude, Cursor, and any MCP client — 100% local on your Mac.

LocalFreeAI Agents & Coding Agents

Applianceiq

0140

chrisbusbin-pixel/applianceiq-mcp-server

Home appliance MCP: CPSC recall lookup, lifespan, maintenance, repair-or-replace, energy cost.

LocalFreeOther Tools & Integrations

Archsteer

5

einvoice-dev1/archsteer

Architecture governance for AI agents: query the live model, get target patterns, check files.

LocalFreeAI Agents & Coding Agents