CET MCP (Y4rd13/cyber-engine-tweak-mcp) is an MCP server listed on the M8ven Trust Index. It scores 60 out of 100, grade C. It declares 37 tools. No publisher has claimed this listing.

C
Caution
60/100

CET MCP

MCP server that connects Claude Code to Cyber Engine Tweaks (CET) in Cyberpunk 2077, enabling Lua code execution, game state queries, TweakDB manipulation, inventory management, and event observation from the terminal while the game is running.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Code Verified⚡ Live Monitored: not connected

Verified is a snapshot. Live keeps it current, and builds your track record.

⚡ Connect GitHub → continuous verification on every pushwhy connect →

Who stands behind it

Y4rd13

Source: Glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find. Or connect your repo for our deepest verification, Live Monitored: read-only, revoke anytime. What we access →

Install from

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// tools this server exposes37 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

get_connection_status

Check bridge connectivity status. Reports whether the CET Bridge Mod is running and responsive. This tool works locally — it does not require the game to be running to check.

read_log

Read the CET scripting.log file. This reads directly from disk — no bridge connection needed. Useful for debugging CET mods and seeing game console output.

list_mods

List all installed CET mods by scanning the mods directory. Reads directly from disk — no bridge connection needed.

execute_lua

Execute Lua code in the CET console. The code runs in the game's Lua VM via loadstring(). Use for side effects (spawning entities, changing state, etc). Output from print() is captured and returned.

evaluate_expression

Evaluate a Lua expression and return its result as a string. Unlike execute_lua, this returns the value of the expression. Use for reading game state (e.g., 'Game.GetPlayer():GetLevel()').

batch_execute

Execute multiple Lua statements sequentially in a single bridge round-trip. More efficient than multiple execute_lua calls. Each statement runs independently — a failure in one does not stop the rest.

get_player_info

Get current player information: level, street cred, health, stamina, position coordinates, and current equipped weapon. Requires the player to be spawned in-game.

get_game_state

Get current game state: in-game time, scene tier (gameplay/menu/cutscene), weather, and player zone type (safe/combat/restricted). Works from any game screen.

add_item

Add an item to the player's inventory by TweakDB item ID. Example: 'Items.Preset_Katana_Saburo' for Satori katana. Quantity defaults to 1.

teleport

Teleport the player to specific world coordinates. Use get_player_info first to see current position for reference.

get_inventory

List items in the player's inventory. Returns item names, quantities, TweakDB IDs, and quality. Can filter by item type (Weapon, Clothing, Consumable, etc).

remove_item

Remove an item from the player's inventory by TweakDB item ID. Removes specified quantity (default: all).

get_equipped

Get the player's currently equipped items: weapons in slots, clothing, cyberware, and active quickslot items.

observe_events

Subscribe to a game event via CET's Observe/ObserveAfter. Events are buffered in-game and can be retrieved with get_observations. Example: observe 'PlayerPuppet' / 'OnDamageReceived' to watch damage events.

get_observations

Read buffered event observations from a subscription created by observe_events. Returns and clears the buffer.

set_stat

Modify a player stat value. Common stats: Health, Stamina, Armor, Level, StreetCred. Use dump_type with 'gamedataStatType' to discover all available stats.

apply_status_effect

Apply a status effect (buff/debuff) to the player. Examples: 'BaseStatusEffect.Berserk', 'BaseStatusEffect.Intoxicated'. Effects can be permanent or timed.

remove_status_effect

Remove a status effect from the player by TweakDB ID.

get_active_effects

List all active status effects on the player. Shows effect IDs, remaining duration, and stack count.

toggle_god_mode

Toggle invulnerability on/off for the player. Useful for testing combat mods without dying.

set_level

Set the player's level and/or street cred directly.

get_appearance_info

Get the current visual appearance of the player or a target NPC (if scanned). Shows equipped appearance name and body customization state.

get_vehicle_list

List all vehicles owned by the player (garage). Shows vehicle names and TweakDB IDs.

get_quest_fact

Read a quest fact (internal progression flag). Quest facts track game state like completed objectives, dialogue choices, and story progression. Example: 'q001_rogue_met'.

set_quest_fact

Set a quest fact value. Use with caution — changing quest facts can break quest progression or unlock content. Value is typically 1 (true/done) or 0 (false/not done).

get_tweakdb_value

Read a TweakDB flat or record by path. TweakDB is Cyberpunk's game data database containing items, stats, vehicles, NPCs, etc. Example paths: 'Items.Preset_Katana_Saburo', 'BaseStats.Health'.

set_tweakdb_value

Write a TweakDB flat value. Changes persist until the game is restarted. Use with caution — wrong values can crash the game. Only works on flat values, not records.

dump_type

Introspect a game RTTI type, showing its methods, properties, and inheritance. Useful for discovering available APIs on game classes like 'PlayerPuppet', 'vehicleBaseObject', etc.

search_tweakdb

Search TweakDB records by pattern. Returns matching record paths. Useful for finding item IDs, stat paths, etc. Example: search for 'Katana' to find all katana-related records.

spawn_vehicle

Spawn a vehicle near the player. Examples: 'Vehicle.v_sport2_quadra_type66', 'Vehicle.v_sport1_rayfield_caliburn'. Use search_tweakdb with pattern 'Vehicle.' to find vehicle IDs.

get_nearby_entities

Scan for entities near the player within a given radius. Returns entity names, types, distances, and positions. Useful for finding NPCs, vehicles, items in the world.

set_time

Set the in-game time of day. Useful for testing lighting, NPC schedules, or triggering time-dependent events.

set_weather

Change the in-game weather. Available presets: Sunny, Cloudy, Rain, HeavyRain, Fog, Toxic, Sandstorm, Pollution. Changes take effect gradually.

kill_nearby_npcs

Kill all hostile NPCs within a radius. Useful for clearing combat encounters during testing. Only affects NPCs currently in combat with the player.

show_notification

Show an in-game UI notification/warning message to the player. Useful for testing UI or signaling events.

play_sound

Play a sound event in-game. Example events: 'ui_menu_hover', 'ui_menu_click', 'w_gun_reload'. Use search_tweakdb with pattern 'sound' to discover sound event names.

get_scanner_info

Get detailed info about the entity the player is currently looking at (as if scanning). Returns entity type, name, health, level, faction, and more.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configCET_BRIDGE_DIRe "=/path/to/cyber_engine_tweaks/mods/CETBridge" \
configCET_TCP_PORT27010 TCP server port
configCET_TRANSPORTe "=tcp" \
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

37/37 tools missing one or more hints — get_connection_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); read_log (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_mods (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +34 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool inputs are validated

20/37 tool handlers declare input schemas (54%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.12.1 (high), @modelcontextprotocol/sdk@1.12.1 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Verified](https://m8ven.ai/badge/mcp/y4rd13/cyber-engine-tweak-mcp?variant=verified)](https://m8ven.ai/mcp/y4rd13/cyber-engine-tweak-mcp)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: 4893237b5d181c7d1e0bd8638035a56b1bf607fc
code hash: 8b179cd94a28e1b3a0825fbf29271cd2fe66725f34f401c6d5b3222f2abe02b9
view raw JSON →
Check MCPs from inside your assistant
Tool Check · MCP

Vetting this one by hand? Tool Check is an MCP that scores other MCPs. Add it once and ask Claude, ChatGPT, or any MCP client to grade a server, surface CVEs, check the publisher, and suggest safer alternatives — before you install.

https://m8ven.ai/api/mcp/tool-check
check_toolsearch_toolscompare_toolsrecommend_alternativescheck_publisherreport_concern
How to add it →Free · no account needed · works in any MCP client