pi-esr
ESR (Engineering State Runtime) - constrained semantic graph state machine plugin for Pi agent
Install
pi install npm:pi-esr
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 0.6.3.
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.
- Commands — Runs shell commands Spawns processes on your machine.
- 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
observedLoaded 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 esr_create_entityesr_update_stateesr_link_relationesr_evaluateesr_update_artifactesr_get_contextesr_detect_packesr_list_packsesr_expand_with_packesr_complete_taskesr_get_closure_statusesr_attach_memory_refesr_list_closure_gapsesr_list_tasksesr_remove_entityesr_remove_relation
Events subscribed agent_startbefore_agent_startsession_shutdownsession_startsession_treetool_calltool_execution_end
APIs called appendEntryregisterCommandregisterToolsessionManager.getBranchsessionManager.getSessionIdui.confirmui.notify
Run against version 0.6.3 on 2026-08-02.
Registration-time behaviour under default settings; other configurations may differ.
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