unreal-ai-connection: Instructions file for Claude Code

CLAUDE.md

unreal-ai-connection CLAUDE.md is an instructions file for Claude Code from NAJEMWEHBE/unreal-ai-connection. It costs 1,867 tokens per session, scanned A, original, MIT.

A set of project instructions for an Unreal Engine 5.7 plugin with a Python bridge that exposes editor automation to MCP-compatible clients. MCP is an open format that lets AI tools call external software; the plugin communicates over a local network connection.

In plain words
What is it for?
Finding handlers, registrations, and bridge tools when changing Unreal Editor automation or maintaining the plugin's MCP connection.
Why use it?
It explains where the plugin's many native C++ and bridge tools are implemented and provides rules for safely resuming work on the project.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: reads .claude/ paths; mentions subagents; mentions Claude Code.

This is NAJEMWEHBE/unreal-ai-connection's own configuration. It tells Claude Code how to work on unreal-ai-connection itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything unreal-ai-connection configures →

Reuse

Borrowing it

Nothing to install: this file belongs to NAJEMWEHBE/unreal-ai-connection. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/NAJEMWEHBE/unreal-ai-connection/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/NAJEMWEHBE/unreal-ai-connection

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Per session 1,867 This file is loaded in full into every session.
When invoked 1,867 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01867 $0.01867
Opus 5 $0.00933 $0.00933
Sonnet 5 $0.00373 $0.00373
Haiku 4.5 $0.00187 $0.00187

Measured 12d ago against content hash 3600e586389e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

unreal-ai-connection CLAUDE.md 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 12d 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.

CLAUDE.md · 30 lines

How it starts

The opening of the file, as written. The whole thing — 30 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Unreal AI Connection — agent context

Read docs/HANDOFF.md before doing any substantive work. The "Closing notes from prior sessions" section at the bottom captures what the previous agent was carrying in working memory — the latest entry is the operative one for resuming.

Quick orientation (deeper detail in HANDOFF.md and ARCHITECTURE.md)

UE 5.7 plugin + Python bridge exposing editor automation to MCP-compliant clients (Claude Code, Codex CLI, Cursor, Gemini CLI, Continue, …) over a localhost TCP socket. 151 tools total: 114 native C++ handlers + 37 bridge-side synthetic tools. Vendor-neutral — the wire protocol is open MCP; the "Claude" in the repo name is decorative.

Where to look first for any change

  • C++ handlers (106) — UnrealAIConnection/Source/UnrealAIConnection/Private/MCP/Handlers/Handler_*.cpp, one per tool. Registered in UnrealAIConnectionModule.cpp (the Reg.Register(...) block).
  • Bridge-side synthetic tools (37: wait_for_events, get_camera_transform, set_camera_transform, screenshot_actor, compile_mod_pak, compile_mod_pak_direct, bulk_delete_assets, bulk_move_assets, bulk_rename_assets, bulk_duplicate_assets, bulk_inspect_assets, inspect_data_asset, inspect_sound_class, inspect_sound_submix, inspect_audio_bus, inspect_material_function, inspect_metasound, find_unused_assets, get_reference_chain, bulk_compile_blueprints, audit_blueprint_compile_status, find_actors_by_class, bulk_focus_actors, bulk_screenshot_actors, bulk_set_actor_property, compare_assets, bulk_set_console_variables, inspect_dependency_graph, bulk_fix_redirectors, marketplace_search, marketplace_import, convert_hdri_to_cubemap, sequencer_add_transform_keyframe, import_mesh, material_auto_remap, batch_capture_cameras, batch_spawn_from_csv) — bridge/unreal_ai_connection_bridge.py's SYNTHETIC_TOOLS dict.
  • Tool catalog (kept in sync manually across three places)UnrealAIConnection/Resources/mcp_manifest.json, bridge/unreal_ai_connection_bridge.py's TOOLS list, and docs/TOOLS.md. The tests/test_manifest_sync.py suite catches drift between the first two.
  • Architecture notes + UE 5.7 API gotchasdocs/ARCHITECTURE.md.
  • Host-build runbook — top of docs/HANDOFF.md (steps 1–6, PowerShell). Live verification on the host machine is the perpetual next step.
  • Per-tool JSON schemas + examplesdocs/TOOLS.md.
  • Restart-recovery procedure (use after a fresh OS install / C: format) — docs/RESTART-RECOVERY.md. Step-by-step setup (git, gh, Node, Python, VS C++ workload, Codex CLI, Claude Code, UE 5.7) plus how to restore session memory from docs/session-memory-archive/.
  • Session memory archivedocs/session-memory-archive/. Snapshot of Claude Code's per-project memory files (directives, conventions, operational gotchas) — survives format because it lives in the repo. Restore to ~/.claude/projects/.../memory/ post-recovery.

Read the full file on GitHub · 30 lines

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.

  1. 12d ago First seen · 30 lines · 1,867 tokens per session scan A 3600e586389e

Subscribe to this mod's changes

unreal-ai-connection CLAUDE.md is an instructions file published in the GitHub repository NAJEMWEHBE/unreal-ai-connection (9 stars, last pushed 1mo ago), licensed MIT. It adds 1,867 tokens to every session, about $0.0093 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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