packages / pi-twincat-ads
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pi-twincat-ads

Pi extension for reading and writing TwinCAT runtime values over ADS.

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Install

$ pi install npm:pi-twincat-ads

Installs from npm into ~/.pi/agent/. Add -l for project-local (.pi/). Manage with pi list / pi update / pi remove.

What this package can reach

Detected automatically from the source at version 0.5.2. This describes access, not safety — you decide whether it's appropriate for what the package claims to do.

  • 🤖
    Behavior — Changes how the agent thinks Modifies the system prompt, injects messages, or rewrites conversation context.
  • 📁
    Files — Reads files outside your project Touches paths beyond the working directory, such as your home folder.
  • ⇄
    Intercepts tools — Can block or rewrite tool calls Subscribes to tool_call/tool_result/input. Can change a command after you approved the one displayed.
  • 🔧
    New tools — Adds model-callable tools Gives the agent new abilities. Additive and visible, unlike an override.
  • ▤
    UI — Draws its own interface Renders widgets, footers, dialogs or full-screen views.

What it actually did when run

observed

Loaded in a sandbox with no network, a read-only filesystem and a recording stand-in for pi's API. This is what it called — not what the source suggests it might.

Tools registered plc_set_targetplc_list_symbolsplc_describe_symbolplc_set_write_modeplc_readplc_read_manyplc_list_groupsplc_read_groupnc_statenc_list_axesnc_read_axisnc_read_axis_positionnc_read_axis_statusnc_read_axis_manync_read_errorio_list_groupsio_readio_read_manyio_read_grouptc_statetc_event_listtc_runtime_error_listtc_log_readtc_diagnose_errorstc_diagnose_runtimetc_list_workbenchestc_list_projectstc_project_statetc_build_projectplc_build_projecttc_build_and_get_errorstc_error_listtc_error_contexttc_output_readtc_resource_readhmi_statehmi_list_projectshmi_preview_infohmi_list_controlstc_tree_readtc_tree_searchtc_tree_describe_itemio_list_topologyio_describe_deviceio_describe_terminalplc_list_pousplc_read_pouplc_search_codeplc_describe_pouplc_list_librariesplc_describe_libraryplc_watchplc_unwatchplc_list_watchesplc_wait_untilplc_writeplc_state

Events subscribed before_agent_startcontextsession_shutdownsession_starttool_call

APIs called getFlagregisterFlagregisterTool

Run against version 0.5.2 on 2026-08-02. Registration-time behaviour under default settings; other configurations may differ.

▲ Review before you install. pi packages run with your full system permissions. Check the source, pin versions, and prefer authors you trust.

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