MCP servers · least privilege

Read-only MCP servers

1,620 MCP servers declare tools that only read: none of their tools is classed write or destructive. That makes them the safest place to start giving an agent access. Read-only describes the tools, not the code, so the audit verdict still decides whether to connect one.

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ModelsAtlas. “Read-only MCP servers”. Retrieved 29 Oct 2026. https://modelsatlas.com/mcp/read-only/page/8

Verdicts · 1,620 servers

✓SAFE913!CAUTION261✕BLOCK446

Transports

A server can list more than one transport.

1,620 servers

169–192 of 1,620 · ranked by trust score, then stars

Claudit

marchev/claudit

✓SAFE B

MCP server for searching Solodit smart contract security findings

★ 1584 readstdio

Fetch

egoist/fetch-mcp

✓SAFE B

An MCP server for fetching URLs / Youtube video transcript.

★ 1562 readsse

Website Downloader

pskill9/website-downloader

✓SAFE B

MCP server to download entire websites

★ 1561 readstdio

Crawl4AI

weidwonder/crawl4ai-mcp-server

✓SAFE B

用于提供给本地开发者的 LLM的高效互联网搜索&内容获取的MCP Server, 节省你的token

★ 1552 read

Open Data

opendatamcp/opendatamcp

!CAUTION B

Connect any Open Data to any LLM with Model Context Protocol.

★ 1555 readstdio

Agentdocs

gobinfan/python-mcp-server-client

✓SAFE B

支持查询主流agent框架技术文档的MCP server(支持stdio和sse两种传输协议), 支持 langchain、llama-index、autogen、agno、openai-agents-sdk、mcp-doc、camel-ai 和 crew-ai

★ 1531 readstdio

Ask Human

masony817/ask-human-mcp

✓SAFE B
★ 1523 read

Hayhooks

deepset-ai/hayhooks

✓SAFE B

Easily deploy Haystack pipelines as REST APIs and MCP Tools.

★ 1527 readstreamable-http

FFmpeg

video-creator/ffmpeg-mcp

✓SAFE B

Using ffmpeg command line to achieve an mcp server, can be very convenient, through the dialogue to achieve the local video search, tailoring, stitching, playback,clip, overlay, concat and other functions

★ 1518 readstdio

Readwise

readwiseio/readwise-mcp

✓SAFE B

Readwise MCP

★ 1511 readstdio

VirusTotal

burtthecoder/mcp-virustotal

✓SAFE B

MCP server for VirusTotal API — analyze URLs, files, IPs, and domains with comprehensive security reports, relationship analysis, and pagination support.

★ 1505 readstdio

Ynab

calebl/ynab-mcp-server

✓SAFE B

Model Context Protocol for YNAB (you need a budget)

★ 1506 readstdio

CodeQL

jordyzomer/codeql-mcp

✓SAFE B

This project runs a Model Context Protocol (MCP) server that wraps the CodeQL query server. It enables tools like [Cursor](https://cursor.sh/) or AI agents to interact with CodeQL through structured commands.

★ 1496 read

Arxiv Latex

takashiishida/arxiv-latex-mcp

✓SAFE B

MCP server that uses arxiv-to-prompt to fetch and process arXiv LaTeX sources for precise interpretation of mathematical expressions in scientific papers.

★ 1464 readstdio

Datagov Israel

aviveldan/datagov-mcp

✓SAFE B

MCP server for Israel Government Data

★ 14610 read

Polymarket

berlinbra/polymarket-mcp

✓SAFE B

MCP Server for PolyMarket API

★ 1454 readstdio

OneSearch

yokingma/one-search-mcp

✓SAFE B

🚀 OneSearch MCP Server: Web Search & Scraper & Extract, Support agent-browser, SearXNG, Tavily, DuckDuckGo, Bing, etc.

★ 1444 readstdio

Datadog

winor30/mcp-server-datadog

✓SAFE B
★ 1431 readstdio

Tailscale

hexsleeves/tailscale-mcp

!CAUTION B

server that provides seamless integration with Tailscale's CLI commands and REST API, enabling automated network management and monitoring through a standardized interface

★ 14019 readstdio

Webflow

webflow/mcp-server

✓SAFE B

Model Context Protocol (MCP) server for the Webflow Data API.

★ 14023 readstdio

Stock Trade Finance API

jesusrs1/stock-trade-finance-api

✓SAFE B

Stock Trade MCP server in Tiingo with stock prices, news, forex, and fundamentals programmatically via the MCP

★ 13811 readstdio

Gitingest

puravparab/gitingest-mcp

✓SAFE B

mcp server for gitingest

★ 1363 readstdio

Web Scout

pinkpixel-dev/web-scout-mcp

✓SAFE B

An MCP server providing web search and content extraction capabilities. Integrates DuckDuckGo search functionality and URL content extraction into your MCP environment, enabling AI assistants to search the web and extract webpage content.

★ 1362 readstdio

AgentRPC

agentrpc/agentrpc

✓SAFE B

A universal RPC layer for AI agents. Connect to any function, any language, any framework, in minutes.

★ 1351 readstdio

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Questions

What does read-only mean here?
A server is listed here when its source declares at least one tool and every tool is classed read: no write tools and no destructive tools.
Is a read-only server always safe?
No. 913 are SAFE, 261 CAUTION and 446 BLOCK on this list. A tool list says what the tools do, not whether the surrounding code is clean, so a read-only server can still be BLOCK.
Why are some servers on no risk list?
615 servers declare no tools we can read, because they build the list at runtime. They cannot be called read-only, so they appear on none of the risk hubs.

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