leanmcp-sdk
Production-ready TypeScript SDK for MCP servers: auth, multi-tenant, observability. Build enterprise AI agents fast.
Install / Use
claude mcp add Leanmcp -- npx -y github:Leanmcp/leanmcp-sdkIf the server publishes to npm under a different name, use that package instead β check the repo README.
MCP Server
Model Context Protocol server
Quality Score
Category
Development & EngineeringSupported Platforms
Tags
Our assessment of leanmcp-sdk
leanmcp-sdk scores 37/100 on our quality scale, 4390th of 4,613 Development & Engineering skills we index.
Its MCP Server is 1.8 KB long, written without headings and no code examples: moderately detailed.
It has no GitHub stars yet, so there is no community track record; judge it on its content.
Maintenance, license and trust
- We could not determine when the repository was last updated.
- Our last check on 2026-10-19 found the source still online.
- No license is declared. By default that means all rights are reserved: you can read it, but reusing or redistributing it is not clearly permitted. Ask the author before building on it commercially.
- Its trust signals score 68/100, with 3 cautions from licensing, adoption, age or documentation. These come from repository metadata, not a code audit β read the skill file before letting an agent act on it.
Safety scan
No issues foundOur scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful.
AI review by kimi-k2.7-code on 2026-09-24. Automated pattern scan on 2026-09-24. It catches known dangerous patterns, not every risk β read a skill before letting an agent act on it.
leanmcp-sdk compared with similar skills
All 4 of these similar skills score higher than leanmcp-sdk; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| leanmcp-sdk (this skill)by Leanmcp | 37 | 0 | β | MCP Server |
| taste-skillby Leonxlnx | 100 | 110.6k | 1d ago | CLAUDE.md |
| Agent-Reachby Panniantong | 100 | 109.2k | today | CLAUDE.md |
| headroomby headroomlabs-ai | 100 | 78.9k | today | CLAUDE.md |
| ai-job-searchby ai-job-search-dev | 100 | 69.8k | today | CLAUDE.md |
Frequently asked questions
- How do I install leanmcp-sdk?
- Run
claude mcp add Leanmcp -- npx -y github:Leanmcp/leanmcp-sdk. The install tabs above show the steps for each supported agent. - Which AI agents does leanmcp-sdk work with?
- It is written for Claude Code and Claude Desktop, as a MCP Server file. Other agents that read the same format can often use it too.
- Is leanmcp-sdk safe to use?
- Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful. It declares no license and scores 68/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is leanmcp-sdk still maintained?
- We could not determine when the repository was last updated.
Skill content
View source on GitHub{ "name": "leanmcp", "private": true, "version": "0.1.0", "description": "LeanMCP SDK: Efficient, modular TypeScript toolkit for production MCP serversοΌwith built-in auth, multi-tenancy, and human-in-the-loop.", "packageManager": "npm@9.0.0", "files": [ "README.md", "LICENSE" ], "workspaces": [ "packages/", "examples/", "!examples/github-roast", "!examples/gpt-slack", "!examples/my-app" ], "scripts": { "build": "turbo run build", "dev": "turbo run dev", "lint": "turbo run lint", "clean": "turbo run clean && rm -rf node_modules", "test": "jest", "test:coverage": "jest --coverage", "test:watch": "jest --watch", "install:all": "npm install && npm run build", "format": "prettier --write "packages//*.{ts,tsx,js,jsx,json,md}"", "format:check": "prettier --check "packages//.{ts,tsx,js,jsx,json,md}"", "prepare": "husky" }, "devDependencies": { "@swc/core": "^1.15.2", "@types/jest": "^29.5.0", "@types/node": "^20.0.0", "husky": "9.1.7", "jest": "^29.7.0", "lint-staged": "^16.2.7", "prettier": "3.8.1", "ts-jest": "^29.1.0", "tsup": "^8.0.1", "turbo": "^2.7.0", "typescript": "^5.6.3" }, "engines": { "node": ">=18.0.0", "npm": ">=9.0.0" }, "keywords": [ "mcp", "model-context-protocol", "typescript", "sdk", "ai", "chatgpt", "claude", "auth", "production", "lightweight", "opensource", "server", "api", "framework" ], "repository": { "type": "git", "url": "https://github.com/LeanMCP/leanmcp-sdk.git" }, "homepage": "https://leanmcp.com", "bugs": { "url": "https://github.com/LeanMCP/leanmcp-sdk/issues" }, "lint-staged": { "packages/**/.{ts,tsx,js,jsx,json,md}": [ "prettier --write" ] } }
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Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit β see the Safety scan above for what the skill file itself contains.