A guide to writing Python scripts for IDA Pro, a program used to examine compiled software. It covers IDA’s programming interfaces for disassembly, decompilation, types, functions, memory, and cross-references.

Writing IDAPython scripts, analyzing binaries, working with decompiled code, inspecting functions and data, and changing an IDA analysis database.

It helps reverse engineers automate analysis and use current IDA interfaces instead of outdated ones.

idapython — Skill for Claude Code and Codex by SuZiXunYue

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add SuZiXunYue/ida-script-mcp --skill idapython

Clone the repo

git clone --depth 1 https://github.com/SuZiXunYue/ida-script-mcp

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/suzixunyue/ida-script-mcp/idapython/github.svg)](https://agentmods.dev/skills/suzixunyue/ida-script-mcp/idapython)

Your own site

<a href="https://agentmods.dev/skills/suzixunyue/ida-script-mcp/idapython"><img src="https://agentmods.dev/badge/skills/suzixunyue/ida-script-mcp/idapython/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/suzixunyue/ida-script-mcp/idapython"><img src="https://agentmods.dev/badge/skills/suzixunyue/ida-script-mcp/idapython.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,662 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 100% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00077	$0.01662
Opus 5.5	$0.00031	$0.00665
Sonnet 5.5	$0.00015	$0.00332
Haiku 4.5	$0.00008	$0.00166

Measured 26d ago against content hash d41c87cba6a4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

idapython scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 26d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to idapython — 10 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

idapython/SKILL.md · 157 lines

How it starts

The opening of the file, as written. The whole thing — 157 lines — stays where its author put it; the contents beside it link to each section on GitHub.

IDAPython

Use modern ida_* modules. Avoid legacy idc module.

Module Router

Task	Module	Key Items
Bytes/memory	`ida_bytes`	`get_bytes`, `patch_bytes`, `get_flags`, `create_*`
Functions	`ida_funcs`	`func_t`, `get_func`, `add_func`, `get_func_name`
Names	`ida_name`	`set_name`, `get_name`, `demangle_name`
Types	`ida_typeinf`	`tinfo_t`, `apply_tinfo`, `parse_decl`
Decompiler	`ida_hexrays`	`decompile`, `cfunc_t`, `lvar_t`, ctree visitor
Segments	`ida_segment`	`segment_t`, `getseg`, `add_segm`
Xrefs	`ida_xref`	`xrefblk_t`, `add_cref`, `add_dref`
Instructions	`ida_ua`	`insn_t`, `op_t`, `decode_insn`
Stack frames	`ida_frame`	`get_frame`, `define_stkvar`
Iteration	`idautils`	`Functions()`, `Heads()`, `XrefsTo()`, `Strings()`
UI/dialogs	`ida_kernwin`	`msg`, `ask_*`, `jumpto`, `Choose`
Database info	`ida_ida`	`inf_get_*`, `inf_is_64bit()`
Analysis	`ida_auto`	`auto_wait`, `plan_and_wait`
Flow graphs	`ida_gdl`	`FlowChart`, `BasicBlock`
Register tracking	`ida_regfinder`	`find_reg_value`, `reg_value_info_t`

Core Patterns

Iterate functions

for ea in idautils.Functions():
    name = ida_funcs.get_func_name(ea)
    func = ida_funcs.get_func(ea)

Iterate instructions in function

for head in idautils.FuncItems(func_ea):
    insn = ida_ua.insn_t()
    if ida_ua.decode_insn(insn, head):
        print(f"{head:#x}: {insn.itype}")

Cross-references

for xref in idautils.XrefsTo(ea):
    print(f"{xref.frm:#x} -> {xref.to:#x} type={xref.type}")

Read/write bytes

data = ida_bytes.get_bytes(ea, size)
ida_bytes.patch_bytes(ea, b"\x90\x90")

Names

name = ida_name.get_name(ea)
ida_name.set_name(ea, "new_name", ida_name.SN_NOCHECK)

Decompile function

cfunc = ida_hexrays.decompile(ea)
if cfunc:
    print(cfunc)  # pseudocode
    for lvar in cfunc.lvars:
        print(f"{lvar.name}: {lvar.type()}")

Read the full file on GitHub · 157 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

26d ago Changed · +2 lines d41c87cba6a4
1mo ago First seen · 155 lines · 77 tokens per session scan A 421e209611d0

Subscribe to this mod's changes

idapython is a skill published in the GitHub repository SuZiXunYue/ida-script-mcp (55 stars, last pushed 27d ago), licensed MIT. It adds 77 tokens to every session and 1,662 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to idapython, differing in 10 lines, and is treated as a copy.

Debugging Languages Python

python-code-quality

Code quality checks, linting, formatting, and type checking commands for the Agent Framework Python codebase. Use this when running checks, fixing lint errors, or troubleshooting CI failures.

microsoft/agent-framework · 40 tokens

plugin-architecture-patterns

Design, implement, or diagnose Xberg plugin traits, typed registries, priority collisions, lifecycle, native extractors, and Alef-generated Python plugin bridges. Load for plugin-system work, not ordinary extractor parsing.

xberg-io/xberg · 43 tokens

test-corpus

The testdocuments submodule is a bucket-fetched fixture corpus that is not committed. This skill covers readtestfixture, missing fixtures, valid A/B controls, and submodule push order. Load before running Rust tests on a fresh clone, setting up an A/B control, adding a fixture-backed test, or diagnosing…

xberg-io/xberg · 68 tokens

stack-trace-python-probe

Internal helper for meta-stack-trace-investigator. Use when a Python traceback needs Python-specific root-cause checks, pytest reproducer guidance, and defensive patch targets.

opensquilla/opensquilla · 40 tokens

idapython

IDA Pro Python scripting for reverse engineering. Use when writing IDAPython scripts, analyzing binaries, working with IDA's API for disassembly, decompilation (Hex-Rays), type systems, cross-references, functions, segments, or any IDA database manipulation. Covers ida modules (50+), idautils iterators, and common…

mrexodia/ida-pro-mcp · 77 tokens

memory-optimization

Optimize Python code for reduced memory usage and improved memory efficiency. Use when asked to reduce memory footprint, fix memory leaks, optimize data structures for memory, handle large datasets efficiently, or diagnose memory issues. Covers object sizing, generator patterns, efficient data structures, and memory…

benchflow-ai/skillsbench · 60 tokens

idapython

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade A, and why

Nothing flagged

This is a copy

How it starts

IDAPython

Module Router

Core Patterns

Iterate functions

Iterate instructions in function

Cross-references

Read/write bytes

Names

Decompile function

What ships with it

What this file has done since we first saw it

Other skills, from other repositories

python-code-quality

plugin-architecture-patterns

test-corpus

stack-trace-python-probe

idapython

memory-optimization