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/41

Verdicts · 1,620 servers

✓SAFE913!CAUTION261✕BLOCK446

Transports

A server can list more than one transport.

1,620 servers

961–984 of 1,620 · ranked by trust score, then stars

Modular

d-kimuson/modular-mcp

✓SAFE B

A Model Context Protocol (MCP) proxy server that enables efficient management of large tool collections across multiple MCP servers by grouping them and loading tool schemas on-demand.

★ 511 readstdio

Flight Ticket

xiaonieli7/flightticketmcp

!CAUTION B

Flight Ticket MCP Server 实现了供航空机票相关查询操作的工具和资源。它作为AI助手与航空服务系统之间的桥梁,专注于航班实时动态查询功能。

★ 4810 readsse

OSINT Tools

himanshusanecha/mcp-osint-server

✓SAFE B
★ 487 readstdio

PJE

chapirousia/pje-mcp-server

!CAUTION B
★ 4210 readstdio

AI Mate

symfony/ai-mate

!CAUTION B

AI development assistant CLI for Symfony projects

★ 411 read

Whoop

ctvidic/whoop-mcp-server

✓SAFE B
★ 2616 readstdio

Metatron

kerbelp/metatron

✓SAFE B

Git-native context layer for AI coding agents. Your team's real engineering decisions — patterns, pitfalls, conventions — live as reviewed markdown files in your repo; agents consult them before writing code and record what they learn. Files-first, no server required; MCP as an optional serving laye

★ 251 read

JigsawStack

jigsawstack/jigsawstack-mcp-server

✓SAFE B

Model Context Protocol Server that allows AI models to interact with JigsawStack models!

★ 2313 readstdio

BiznagaFest Demos

0gis0/biznagafest-mcp

✓SAFE B

MCP Servers en Málaga con salero

★ 213 readstdio

mcp-tenant-isolation

subodhkc/mcp-tenant-isolation

!CAUTION B

Static analysis scanner for multi-tenant SaaS and MCP server code. 57 deterministic rules for cross-tenant data leakage, IDOR, RLS, and MCP-specific risks. Includes MCP server, SARIF output, and GitHub Action.

★ 45 readstdio

rag-vault

RobThePCGuy/rag-vault

!CAUTION B

One command. Zero cloud. Your docs stay private.

★ 27 readsse

telugu-calendar-utilities

socraticsurge/telugu-calendar-utilities

!CAUTION B

Telugu Panchangam as calendar feeds — tithi, nakshatra, muhurtams, Ekadashi and 30+ festivals for 22 cities, in Drik Ganita, Surya Siddhanta and Vakya systems. Plus an MCP server for AI assistants.

★ 116 readstdio

WebExtratorMCP

AceDataCloud/WebExtratorMCP

!CAUTION B

MCP server for web extraction and rendering via Ace Data Cloud.

★ 01 readstdio

Fli

punitarani/fli

✓SAFE B

Google Flights MCP, CLI and Python Library

★ 3,1791 readstdio

Local REST API

coddingtonbear/obsidian-local-rest-api

!CAUTION B

A secure REST API and Model Context Protocol (MCP) server for your vault.

★ 2,9467 readstreamable-http

Shrimp Task Manager

cjo4m06/mcp-shrimp-task-manager

✓SAFE B

Shrimp Task Manager is a task tool built for AI Agents, emphasizing chain-of-thought, reflection, and style consistency. It converts natural language into structured dev tasks with dependency tracking and iterative refinement, enabling agent-like developer behavior in reasoning AI systems.

★ 2,1502 readstdio

Context Space

context-space/context-space

!CAUTION B

Ultimate Context Engineering Infrastructure, starting from MCPs and Integrations

★ 8134 readstreamable-http

Vercel Adapter

vercel/mcp-adapter

✓SAFE B

Easily spin up an MCP Server on Next.js, Nuxt, Svelte, and more

★ 6783 readstreamable-http

Nano Banana

zhongweili/nanobanana-mcp-server

✓SAFE B

AI image generation MCP server powered by Google Gemini, with smart model selection and 4K output

★ 4001 readstdio

ServiceNow

echelon-ai-labs/servicenow-mcp

!CAUTION B

MCP Server for ServiceNow

★ 3031 readstdio

ServiceNow

osomai/servicenow-mcp

!CAUTION B

MCP Server for ServiceNow

★ 3031 readstdio

Uteke

codecoradev/uteke

!CAUTION B

🧠 The Brain for Your AI — Local-first memory engine for AI agents. Store, recall, and search memories with semantic embeddings. Single Rust binary, zero config, fully offline.

★ 2692 read

SAP Documentation

marianfoo/mcp-sap-docs

✓SAFE B

Fast MCP server for unified SAP docs search (SAPUI5, CAP, OpenUI5, wdi5) with BM25 full-text search

★ 23624 readstdio

Oh My Cassette

cassette-editor/oh-my-cassette

✓SAFE B

你的随身 AI 剪辑搭档 | Pocket AI co-editor for video montage — AI video editing plugin & MCP server for Claude Code, Codex, Hermes & OpenCode

★ 1576 readstdio

Other risk hubs

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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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