Lean Ctx Bin
Verified · npm:lean-ctx-binMCP server by yvgude · updated · ★ 3.9k · 749 downloads a week
LeanCTX Engine — the open-source runtime for the Context Gateway for AI Systems. Select context, apply supported controls, and inspect evidence. No Rust required. Lean Ctx Bin is published by npm:lean-ctx-bin from its verified domain in the official MCP Registry.
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Install Lean Ctx Bin
Built from the published package, never by AIclaude mcp add lean-ctx-bin -- npx -y lean-ctx-binRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"lean-ctx-bin": {
"command": "npx",
"args": [
"-y",
"lean-ctx-bin"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"lean-ctx-bin": {
"command": "npx",
"args": [
"-y",
"lean-ctx-bin"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"lean-ctx-bin": {
"command": "npx",
"args": [
"-y",
"lean-ctx-bin"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add lean-ctx-bin -- npx -y lean-ctx-bin{
"mcpServers": {
"lean-ctx-bin": {
"command": "npx",
"args": [
"-y",
"lean-ctx-bin"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add lean-ctx-bin npx -y lean-ctx-binGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the lean-ctx-bin block.
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Lean Ctx Bin: common questions
How do I install Lean Ctx Bin?
In Claude Code run claude mcp add lean-ctx-bin -- npx -y lean-ctx-bin. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Lean Ctx Bin the official server?
Lean Ctx Bin is published by npm:lean-ctx-bin from its verified domain in the official MCP Registry.
Is Lean Ctx Bin free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is Lean Ctx Bin safe to use?
It scores 93 of 100. Grades: maintenance A, licence A, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Lean Ctx Bin?
Similar MCP servers: mockserver, XcodeBuildMCP, Repowise, SmartBear MCP.
Does Lean Ctx Bin work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.
