riscv-mcp

MCP server for RISC-V disassembly and assembly, powered by aboutrv.com.

Tools

| Tool | Description | |------|-------------| | disassemble | Convert hex machine-code words → RISC-V assembly | | assemble | Convert RISC-V assembly mnemonics → hex machine code |

Usage

Claude Code / claude.ai/code

Add to ~/.claude/settings.json:

{
  "mcpServers": {
    "riscv": {
      "command": "npx",
      "args": ["-y", "riscv-mcp"]
    }
  }
}

Cursor / Windsurf / VS Code (Copilot)

Add to your MCP config file (~/.cursor/mcp.json, .windsurf/mcp.json, etc.):

{
  "mcpServers": {
    "riscv": {
      "command": "npx",
      "args": ["-y", "riscv-mcp"]
    }
  }
}

Manual

npx riscv-mcp

Examples

Once connected, ask your LLM:

• "Disassemble 0x02a00513"
• "What does the instruction 02a00513 do in RISC-V?"
• "Assemble: addi a0, a1, 42"
• "Give me the machine code for ret in RISC-V"

Environment

| Variable | Default | Description | |----------|---------|-------------| | RISCV_API_URL | https://aboutrv.com | Override the API base URL (useful for local dev) |

License

MIT