Free MCP servers · page 147

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 7009–7056

Claude Code Agents

Search 45,000+ MCP servers by what they do and get install commands, or submit a new MCP server to the claudecodeagents.com directory.

RemoteFreeAggregators & Gateways

Claude Desktop Extension Bear Notes

vasylenko/claude-desktop-extension-bear-notes

Search, read, create and update Bear notes locally.

LocalFreeTypeScriptProductivity & Project Management

Claude Engram

20alexl/claude-engram

Local persistent memory for Claude Code: tracks mistakes and decisions via hooks, searches session history, detects loops and warns before edits.

LocalFreePythonKnowledge, Memory & RAG

CleanVector

Generate SVG artwork and vectorize images; tools need a key.

RemoteFreeArt & Design

Clearjson

0

wayknow/clearjson

Large-file-safe JSON MCP server. Format, validate, search, JSONPath query, deep diff, and format conversion (CSV/TSV/YAML/TypeScript). 10 tools, zero dependencies.

LocalFreeTypeScriptDeveloper Tools

CLI

chrishayuk/mcp-cli

CLI tool for testing MCP servers.

LocalFreePythonOther Tools & Integrations

CLI Adapter

inercia/mcp-cli-adapter

Use command line tools in a secure fashion as MCP tools.

LocalFreeOther Tools & Integrations

CLIPCLIPER

Timestamped transcripts, chapters and clip ideas from YouTube, Twitch, Kick or TikTok links.

RemoteFreeMultimedia, Audio & Video

Cloud FinOps by OptimNow

Fetches FinOps reference guides and waste-pattern runbooks on cloud and AI cost management; no account needed.

RemoteFreeKnowledge, Memory & RAG

Cloudflare Docs

Only a granted change can proceed: preflight a contract change, verify a receipt, or read a past decision.

RemoteFreeDeveloper Tools

Cloudsealed

cloudsealed/cloudsealed-mcp

Rule-based cloud cost anomaly detection and architecture risk scoring (single points of failure, coupling, scalability gaps) with rule-by-rule breakdowns.

LocalFreePythonMonitoring & Observability

cn-intel

0

cn-intel-mcp

China hard-tech supply-chain signals with a track record: chips, batteries, eVTOL and pharma.

RemoteFreeSearch & Web Scraping

Code actu

French referral codes verified on brands' official pages: rewards, conditions, verification date and source links.

RemoteFreeE-Commerce & Delivery

CodeGraphContext

Shashankss1205/CodeGraphContext

Index local code into a graph database to give AI assistants context, with graphical code visualizations for humans.

LocalFreePythonAI Agents & Coding Agents

CodeRifts

Only a granted change can proceed: preflight a contract change, verify a receipt, or read a past decision.

RemoteFreeDeveloper Tools

Codex Reset

Codex usage-limit reset odds for the next 24/48h, past resets and Codex service status.

RemoteFreeMonitoring & Observability

cogDepot

Agent marketplace: keyless discovery and reputation lookup; listing, negotiating and sealing deals require OAuth.

RemoteFreeAI Agents & Coding Agents

Colab

SebastianGilPinzon/colab-mcp

Control Google Colab notebooks and assign GPUs (T4/L4/A100). Fork of Google's colab-mcp with all tools visible at startup and Windows support.

LocalFreePythonCode Execution

coldHat

Wear anyone's AI working rules by GitHub username: returns their hat.md and a hat code proving it was read.

RemoteFreeKnowledge, Memory & RAG

CometChat Docs

Search CometChat chat, calling and moderation docs and get ready-made integration recipes.

RemoteFreeDeveloper Tools

Common

Public async chatrooms, knowledge base, directory and feature/human-help queues where independent agents meet.

RemoteFreeAI Agents & Coding Agents

Commonhold

Read a society of AI agents: its board, citizens, proposals and ballots, constitution history and guest threads.

RemoteFreeSocial Media

Compabase

3M+ Polish companies from KRS and CEIDG: financials, board members, rankings, tenders and public registries.

RemoteFreeFinance, Fintech & Payments

Company Check

Look up companies and filings in the UK, Norwegian and Swedish registers, plus UK charges and insolvencies.

RemoteFreeFinance, Fintech & Payments

CompatLab

Read recorded npm loading results across pinned Node.js, Bun and Deno versions, with coverage and report links.

RemoteFreeDeveloper Tools

Confluence

tqiqbal/mcp-confluence-server

Interact with Confluence Data Center via its REST API.

LocalFreePythonOther Tools & Integrations

Consignatarias

Argentine cattle market: daily steer index since 2015, category prices, land values and SENASA health rules.

RemoteFreeEnvironment & Nature

Context Condenser

0

rafim-dev/mcp-context-condenser

AST-based code outliner, log compressor and context budget analyzer to reduce LLM token usage.

LocalFreeTypeScriptDeveloper Tools

ContextFetch

Web search that returns each page as Markdown, pruned to the passages relevant to the query.

RemoteFreeSearch & Web Scraping

Continuity

Remembers your writing project across chats: story bible, characters, timeline and continuity checks.

RemoteFreeKnowledge, Memory & RAG

ConvertFileFast

Convert documents, images and data files between formats, and merge, split, compress or protect PDFs.

RemoteFreeDeveloper Tools

Convex

Query and manage Convex deployments, tables, and functions.

RemoteFreeDatabases

Cortex Plugin

TT-Wang/cortex-plugin

Claude Code memory plugin that mines past sessions for decisions, conventions and bug fixes, stores them in an Obsidian vault and briefs new sessions.

LocalFreePythonKnowledge, Memory & RAG

Countersignatory

Spot prices for verified human sign-off, judgment and notarisation, with quotes and a public index.

RemoteFreeAI Agents & Coding Agents

CovaSyn

Chemistry tools for pharma and biotech: NMR, MS, ICH M7 toxicity, stability, HPLC, DoE; tool calls need a key or OAuth.

RemoteFreeScience & Research

CrawlCheck

A signed answer about any site before an agent acts: policy, what crawlers were served, findings, a decision per action.

RemoteFreeSecurity & Identity

Creator Growth

SunflowersLwtech/mcp_creator_growth

Learning sidecar for AI coding assistants: quizzes developers on AI-generated changes and gives agents persistent project-specific debugging memory via RAG.

LocalFreePythonAI Agents & Coding Agents

Criora

Climate and disaster risk for any place: nearby hazards, 7-day weather risk, climate to 2080, country risk, risk map.

RemoteFreeEnvironment & Nature

Critical Path Partners

Forensic delay analysis of Primavera P6 schedules: windows analysis, time impact, DCMA-14 checks and Monte Carlo risk.

RemoteFreeProductivity & Project Management

CryptoMacro

Crypto positioning and macro regime: funding, open interest, implied volatility and Fed rates.

RemoteFreeFinance, Fintech & Payments

Cryptominium

Measured crypto exit costs, a monthly liquidity index, and address and transaction lookups. Read-only.

RemoteFreeFinance, Fintech & Payments

CTX

0

halloffame12/CTX

Indexes a repo into a local, deterministic code graph (symbols, references, dependencies) with semantic diffs and impact analysis.

LocalFreeRustDeveloper Tools

ctxstore

Persistent memory for AI agents: keyed facts, a wake bundle each session, one memory across every model.

RemoteFreeKnowledge, Memory & RAG

CurlShot

Screenshot any URL to PNG, JPEG, WebP, PDF or scrolling video, full page or dark mode; needs a free API key.

RemoteFreeBrowser Automation

CVE Risk Check

Checks CVEs and dependency lists against OSV, NVD, EPSS and CISA KEV, and ranks what to fix first.

RemoteFreeSecurity & Identity

CVR Lookup

Danish company register: lookups, name search and annual-report financials; data needs a free key.

RemoteFreeFinance, Fintech & Payments

Cybersecurity

gaoharimran29-glitch/Cybersecurity-MCP-Server

Local security reconnaissance: WHOIS, DNS and subdomain enumeration, Nmap scanning, TLS inspection, tech fingerprinting, CVE and IP reputation lookups.

LocalFreePythonSecurity & Identity

DABLOCK AI Visibility Index

Weekly share of answer for 24 crypto and Web3 brands in ChatGPT, Perplexity and Gemini.

RemoteFreeMarketing