MCP servers · least privilege

MCP servers with no destructive tools

3,151 MCP servers declare at least one tool and none of them is classed destructive: nothing deletes, overwrites or runs a command through a declared tool. 1,622 of them only read; the rest may create or edit.

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ModelsAtlas. “MCP servers with no destructive tools”. Retrieved 30 Oct 2026. https://modelsatlas.com/mcp/no-destructive/page/56

Verdicts · 3,151 servers

✓SAFE1,634!CAUTION522✕BLOCK995

Transports

A server can list more than one transport.

3,151 servers · 1,321–1,344 · ranked by trust score, then stars
ACP✓SAFE B

gongrzhe/acp-mcp-server

A bridge server that connects Agent Communication Protocol (ACP) agents with Model Context Protocol (MCP) clients, enabling seamless integration between ACP-based AI agents and MCP-compatible tools like Claude Desktop.

★ 24GitHub stars4 writesse
Chess✓SAFE B

jiayao/mcp-chess

MCP server for playing chess against AI

★ 24GitHub stars1 write
Cmd✓SAFE B

phialsbasement/cmd-mcp-server

MCP server for executing CMD commands. Can be hooked to claude for additional agentics.

★ 24GitHub stars2 writestdio
CoolPC✓SAFE B

shyuan/coolpc-mcp-server

利用「原價屋」估價資料作為生成電腦設備估價單的 MCP Server

★ 24GitHub stars9 readstdio
Crawl4AI✓SAFE B

ritvij14/crawl4ai-mcp

★ 24GitHub stars2 readstdio
CTFd✓SAFE B

umbra2728/ctfd-mcp

★ 24GitHub stars2 write
Ecovacs✓SAFE B

ecovacs-ai/ecovacs-mcp

Ecovacs MCP Server

★ 24GitHub stars2 readstdio
Elysia✓SAFE B

keithagroves/elysia-mcp

Model Context Protocol (MCP) Server for Bun and Elysia

★ 24GitHub stars2 read
Fetch Browser✓SAFE B

thesethrose/fetch-browser

A powerful headless browser MCP server that enables AI agents to fetch web content and perform Google searches without requiring any API keys.

★ 24GitHub stars1 writestdio
File Preview✓SAFE B

seanivore/mcp-file-preview

MCP server for HTML file preview and analysis - Has been weird with OS but good on Cline so WIP

★ 24GitHub stars2 readstdio
Grep Server✓SAFE B

erniebrodeur/mcp-grep

simple mcp server to wrap the local instance of grep.

★ 24GitHub stars1 read
GrowthBook✓SAFE B

growthbook/growthbook-mcp

Official GrowthBook MCP server for creating flags, getting experiments, and more.

★ 24GitHub stars2 writestdio
Jensenify✓SAFE B

kenm47/jensenify-mcp

An MCP server that helps engineers achieve Jensen Huang's recommended $250k/year compute spend by injecting ~2.9M tokens of canonical Western literature into every AI interaction. Deep humanistic context for every engineering decision.

★ 24GitHub stars2 readstdio
jsonv-ts!CAUTION B

dswbx/jsonv-ts

JSON Schema builder and validator for TypeScript with static type inference, Hono middleware for OpenAPI generation and validation, and MCP server/client implementation. Lightweight, dependency-free, and built on Web Standards.

★ 24GitHub stars1 writestreamable-http
Korean Spell Checker✓SAFE B

winterjung/mcp-korean-spell

MCP(Model Context Protocol) server designed for Korean spell checking

★ 24GitHub stars1 readstdio
Langchain Mcp Tools Ts!CAUTION B

hideya/langchain-mcp-tools-ts

MCP to LangChain Tools Conversion Utility / TypeScript

★ 24GitHub stars8 readsse
Limitless✓SAFE B

199-mcp/mcp-limitless

Advanced MCP Server with AI-powered Limitless API features: natural time queries, meeting detection, action item extraction, daily summaries, and speaker analytics

★ 24GitHub stars14 readstdio
Map Traveler✓SAFE B

mfukushim/map-traveler-mcp

Virtual traveler library for MCP

★ 24GitHub stars4 writestdio
Mcp Client Agent!CAUTION B

shane-kercheval/mcp-client-agent

CLI that uses DSPy to interact with MCP servers.

★ 24GitHub stars5 readstdio
Observer✓SAFE B

hesreallyhim/mcp-observer-server

An MCP server that provides server-to-client notifications for file changes that the client subscribes to

★ 24GitHub stars4 readstdio
Oi-Wiki✓SAFE B

shwstone/mcp-oi-wiki

🌟 Wiki of OI / ICPC for LLMs. (面向大模型的某大型游戏线上攻略,内含炫酷算术魔法)

★ 24GitHub stars1 readstdio
Olostep✓SAFE B

olostep/olostep-mcp-server

MCP server for Olostep — the web scraping, crawling, and search infrastructure used by top AI companies. Gives any MCP-compatible AI agent the ability to scrape, crawl, batch-extract, and search the web in real time.

★ 24GitHub stars2 writestdio
Patchright Lite✓SAFE B

dylangroos/patchright-mcp-lite

Patchright (Playwright patch) MCP server for lightweight models

★ 24GitHub stars4 readstdio
Qwen Max✓SAFE B

66julienmartin/mcp-server-qwen_max

MCP server for Qwen Max model

★ 24GitHub stars1 readstdio

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Questions

What counts as destructive?
A tool that deletes, overwrites or runs commands. We class every tool the source declares as read, write or destructive; a server is listed here when it has tools and none is destructive.
How is this different from read-only?
Read-only servers have only read tools (1,622 servers). This list also includes servers whose tools write: 1,529 of the 3,151 do.
Does no destructive tools mean safe?
No. 1,634 are SAFE, 522 CAUTION and 995 BLOCK on this list. The verdict comes from the audit of the source, not from the tool list alone.

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