mcp-capstone

mcp-capstone

MCP server that provides disassembly and reverse engineering capabilities via the Capstone framework, supporting multiple architectures.

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README

mcp-capstone

MCP server that exposes Capstone 5.0.7 disassembly framework functionalities as tools and resources, enabling LLMs to perform binary disassembly, reverse engineering, and instruction analysis.

PyPI Python

Install

pip install mcp-capstone

Usage

CLI

mcp-capstone

Python

from mcp_capstone import disasm, get_version

# Get version
version = get_version()
print(f"Capstone {version['major']}.{version['minor']}")

# Disassemble x86-64 code
instructions = disasm("8b440404", arch="x86", mode="64")
for insn in instructions:
    print(f"0x{insn['address']:x}: {insn['mnemonic']} {insn['op_str']}")

Supported Architectures

  • x86 (16/32/64-bit)
  • ARM (ARM, Thumb, ARM mode)
  • AArch64 (ARMv8)
  • MIPS (MIPS32/64, MIPS2/3, R6)
  • PowerPC (32/64-bit, SPE, QPX)
  • RISC-V (RV32/64GC)
  • SPARC (V8/V9)
  • SystemZ
  • M68K (68000-68060)
  • M680X (6301/6309/6800/6805/6808/6809/6811/CPU12/HCS08)
  • TriCore
  • TMS320C64X
  • WebAssembly
  • XCore
  • BPF (Classic/Extended)
  • EVM (Ethereum Virtual Machine)

Tools

Tool Description
get_version Get Capstone version
check_support Check architecture support
list_architectures List all architectures
disasm Full disassembly with details
disasm_lite Lightweight disassembly
disasm_quick Quick disassembly
get_architectures All architecture constants
get_modes All mode constants
get_options All option constants
get_operands All operand type constants
get_groups All instruction group constants
get_errors All error constants

Development

git clone https://github.com/daedalus/mcp-capstone.git
cd mcp-capstone
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/

mcp-name: io.github.daedalus/mcp-capstone

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