MCP servers

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.

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Found: 502

MCP server and CLI that searches and downloads books and articles from Anna's Archive inside an agent

1.1KRepository stars
Official

On-premises RAG in containers with an MCP server: the agent searches your documents while data stays local

1KRepository stars

mcpdoc

MCP LLMS-TXT Documentation Server

An MCP server from LangChain that serves docs from the llms.txt files you choose, with auditable tool calls

1KRepository stars

A curated, ranked list of agent harnesses with an MCP server and ready subagents to pick a harness for a task

998Repository stars
Official

A PDF-reading MCP server: structured text, tables, OCR, visual crops and page-level citations

959Repository stars

A local MCP server that keeps a staged journal of an agent's reasoning with persistent sessions, decisions and evidence

955Repository stars
Official

An MCP server and CLI for code research: search and understand your project and all of GitHub with fewer tokens

945Repository stars
Official

An open macOS app for code context engineering: an MCP server and agent orchestrator that helps agents understand a project before editing

938Repository stars
Official

A free, two-way Figma MCP server: turns designs into framework-aware code and pushes code back to the canvas

925Repository stars

An MCP server for a project memory bank: the agent stores and reads memory files through one service instead of inside the project

921Repository stars
Official

MCP server and skills for product analytics: user paths, funnels, segments and transition graphs over event logs

919Repository stars

An MCP server that checks whether the agent is really done: drives the real app and returns pass, fail or couldn't tell with the file and line

915Repository stars
Needs a VPN

An Unreal Engine 5.7 plugin that brings Claude Code into the editor with MCP tools and engine documentation context

907Repository stars

iai-memory

iai-memory (Personal Memory Engine)

Official

A local long-term memory MCP server for agents: keeps conversations verbatim and returns the right context at the start of a session

895Repository stars

Code indexing for LLMs: VectorCode builds repository search and feeds relevant context to an agent via CLI and MCP

875Repository stars
Needs a VPN

An MCP server that lets an agent drive a real browser: open pages, click and fill forms through Playwright

847Repository stars
Official

A local memory MCP server for coding agents: records issues, attempts, fixes and decisions and warns before repeating a failed approach

846Repository stars

A Reddit MCP server: the agent browses posts, searches content and analyzes user activity with no fluff

840Repository stars
Needs a VPN

An MCP server that spins up several browser agents to test a site for broken links, UI bugs and accessibility issues

832Repository stars

MCP server for PCB design in KiCAD 10: schematic, routing, checks and manufacturing prep through an agent

818Repository stars

Local shared project memory for coding agents: facts, decisions and commits available through MCP, CLI and hooks in any agent

816Repository stars

Your own memory for AI tools on Cloudflare: save once, recall by meaning in Claude, ChatGPT, Cursor and any MCP client

798Repository stars

JADX MCP Server

JADX-MCP-SERVER

MCP server for analyzing Android apps through JADX: the agent reads decompiled code, the manifest and hunts for vulnerabilities

794Repository stars
Official

An MCP server built on Docling: converts PDFs into structured documents, builds new ones and feeds them to RAG

763Repository stars

Frequently asked questions

What is an MCP server?

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.

How do I connect an MCP server to an agent?

The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.

Do I need a key or a paid account?

It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.