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TuneWorks
io.github.chrismore/tuneworks in the official MCP registry.
Endpoint https://tuneworks.ai/mcp. Source: github.com/chrismore/tuneworks.
The registry describes it as: Motorsports workspace for vehicles, setups, sessions, logs, maintenance, and race engineering.
We read its 100 tools on 2026-10-26. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
calculate_race_fuel_and_weight calculate_gear_ratio_speed calculate_tire_pressure_adjustment calculate_corner_balance calculate_spring_wheel_rate calculate_fuel_injector_size convert_afr_lambda calculate_brake_bias compare_tire_sizes check_race_alignment calculate_lap_time_delta calculate_ethanol_blend diagnose_handling_issue analyze_tire_temperatures recommend_autocross_damper_adjustment find_autocross_sites get_tuneworks_app_capabilities create_vehicle update_vehicle list_vehicle_modifications get_vehicle_modification create_vehicle_modification update_vehicle_modification archive_vehicle_modification delete_vehicle_modification get_garage_summary list_vehicles get_vehicle_context list_logs get_log_context list_ai_log_tuner_transcripts get_ai_log_tuner_transcript list_ai_race_engineer_transcripts get_ai_race_engineer_transcript archive_vehicle list_setups create_setup update_setup archive_setup list_sessions create_session update_session copy_session archive_session list_maintenance create_maintenance update_maintenance archive_maintenance list_shop_lists get_shop_list list_shop_list_items create_shop_list update_shop_list add_shop_list_category add_shop_list_item copy_shop_list reset_shop_list_items update_shop_list_item archive_shop_list delete_shop_list and 40 more
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[](https://lazaretto.dev/mcp-registry/io-github-chrismore-tuneworks)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.