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name: neovim-mcp-connector description: "MCP connector for Neovim modal text editor – enables AI-assisted editing, buffer management, LSP integration, macro generation, and code navigation through Claude" license: Vim License tags: ["dev","editor","mcp","neovim"] difficulty: advanced time_to_master: "4-8 weeks" version: "1.0.0"

Neovim MCP Connector

Overview

This skill enables Claude to interact with Neovim through the Model Context Protocol (MCP). It provides a bridge between Claude's AI capabilities and Neovim's RPC/CLI, allowing natural language control of Neovim operations, intelligent automation, and AI-powered assistance for Neovim workflows.

When to Use This Skill

• AI-powered code completion in Neovim buffers
• Natural language macro generation and recording
• LSP diagnostics interpretation and fix suggestions
• Buffer and window management via Claude commands
• Neovim plugin configuration and troubleshooting

Architecture

┌─────────────┐     ┌─────────────────┐     ┌──────────────────┐
│   Claude     │────▶│   MCP Server    │────▶│   Neovim           │
│   (Client)   │◀────│   (Lua/TypeScript)  │◀────│   (RPC/CLI       )│
└─────────────┘     └─────────────────┘     └──────────────────┘

Core Concepts

MCP Server Setup

The connector implements an MCP server that exposes Neovim operations as tools Claude can invoke. The server translates natural language intentions into RPC/CLI calls.

Key Endpoints/Interfaces

nvim_buf_get_lines, nvim_command, nvim_eval, nvim_exec_lua, nvim_list_bufs

Implementation

// Neovim MCP Server Implementation
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";

const server = new McpServer({
  name: "neovim-mcp-connector",
  version: "1.0.0",
});

// Tool: List/Query Resources
server.tool(
  "list_resources",
  "List and query Neovim resources with optional filters",
  {
    query: z.string().optional().describe("Search query or filter"),
    limit: z.number().optional().describe("Max results to return"),
  },
  async ({ query, limit }) => {
    // Call Neovim RPC/CLI
    const response = await fetch(`${BASE_URL}nvim_buf_get_lines`, {
      headers: { "Authorization": `Bearer ${API_KEY}` },
    });
    const data = await response.json();
    return {
      content: [{ type: "text", text: JSON.stringify(data, null, 2) }],
    };
  }
);

// Tool: Create Resource
server.tool(
  "create_resource",
  "Create a new resource in Neovim",
  {
    name: z.string().describe("Resource name"),
    config: z.object({}).passthrough().optional().describe("Resource configuration"),
  },
  async ({ name, config }) => {
    const response = await fetch(`${BASE_URL}nvim_buf_get_lines`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${API_KEY}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ name, ...config }),
    });
    const data = await response.json();
    return {
      content: [{ type: "text", text: `Created: ${JSON.stringify(data)}` }],
    };
  }
);

// Tool: Analyze/Report
server.tool(
  "analyze",
  "AI-powered analysis of Neovim data",
  {
    type: z.string().describe("Analysis type"),
    timeframe: z.string().optional().describe("Time range for analysis"),
  },
  async ({ type, timeframe }) => {
    // Fetch data and provide AI analysis
    const response = await fetch(`${BASE_URL}nvim_buf_get_lines`, {
      headers: { "Authorization": `Bearer ${API_KEY}` },
    });
    const data = await response.json();
    return {
      content: [{ type: "text", text: JSON.stringify(data, null, 2) }],
    };
  }
);

// Start server
const transport = new StdioServerTransport();
await server.connect(transport);

Claude Desktop Configuration

{
  "mcpServers": {
    "neovim-mcp-connector": {
      "command": "node",
      "args": ["path/to/neovim-mcp-connector/index.js"],
      "env": {
        "NEOVIM_API_KEY": "your-api-key",
        "NEOVIM_BASE_URL": "https://your-instance-url"
      }
    }
  }
}

Best Practices

1. Authentication: Store API keys securely using environment variables; never hardcode credentials
2. Rate Limiting: Implement request throttling to respect Neovim API rate limits
3. Error Handling: Provide clear, actionable error messages for common failure scenarios
4. Pagination: Handle paginated responses for large datasets efficiently
5. Caching: Cache frequently accessed read-only data to reduce API calls
6. Security: Validate all inputs before passing to the Neovim API; sanitize outputs
7. Logging: Log all API interactions for debugging and audit purposes

Example Prompts

"Open all Python files in the project and run the linter on each buffer"

Security Considerations

• All API credentials must be stored as environment variables
• Implement input validation and sanitization for all tool parameters
• Use HTTPS for all API communications
• Follow the principle of least privilege for API token permissions
• Audit log all write operations for compliance tracking

Resources

• Neovim Official Documentation
• MCP SDK Documentation: https://modelcontextprotocol.io
• MCP Server Examples: https://github.com/modelcontextprotocol/servers
• SkillGalaxy Repository: https://github.com/Sandeeprdy1729/skill_galaxy

Changelog

Version	Date	Changes
1.0.0	2026-04-01	Initial MCP connector skill

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