Install
pi install npm:@fadhilp/pylon
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 1.1.4.
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.
- Extension bus — Talks to other extensions Uses pi.events to emit or listen on a shared channel, so it can coordinate with — or be driven by — other installed extensions.
- Commands — Runs shell commands Spawns processes on your machine.
- Credentials — Handles your API keys Reads or passes provider credentials. Highest-trust capability there is.
- 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.
- Network — Talks to the internet Makes outbound network requests. Check the destinations are ones you expect.
- Subagents — Spawns agents or sessions Runs additional agents. Ask whether it caps iterations and spend.
- Tool control — Can switch pi's tools on and off Calls setActiveTools, so it can disable built-ins — including safety-relevant ones.
- 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 advisormemorycontinuity_updategruntheartbeat_startheartbeat_statusheartbeat_cancelhelios_capturehelios_browserstateqlrgfdrelationship_graphsearch_sessionssymbol_searchcode_searchindex_statussearch_toolsrepo_scoutweb_scoutsieve_recallverify
Events subscribed agent_settledagent_startbefore_agent_startcontextinputmessage_endmodel_selectpi-continuity:instance-claimpi-continuity:memory-mutationpi-continuity:state-requestpi-discover:child-tools-capabilitypi-discover:index-actionpi-guard:decisionpi-heartbeat:jobpi-helios:web-scout-capabilitypi-sieve:state-requestpi-timeline:checkpoint-requestpi-timeline:diff-requestpi-timeline:edit-navigationpi-timeline:files-requestpi-timeline:prompt-forkpi-timeline:relocation-readinesspi-timeline:state-requestpi-verify:catalog-requestpi-verify:resultpi-worktree:mutationpylon:delegate-namepylon:health-requestpylon:helios-browser-requestpylon:package-settings-changedpylon:runtime-policypylon:stateql-snapshot-requestpylon:telemetrypylon:tool-discoverypylon:tool-policypylon:workspace-appliedpylon:worktree-changepylon:worktree-observer-requestsession_compactsession_info_changedsession_shutdownsession_startsession_treetool_calltool_execution_endtool_execution_starttool_resultturn_enduser_bash
APIs called .content.filter.content.filter.map.content.filter.map.join.content.filter.map.join.trim.content.filter.map.join.trim.split.content.filter.map.join.trim.split.filterevents.emitevents.onexecgetActiveToolsgetActiveTools.filtergetActiveTools.filter.pushmodelRegistry.findmodelRegistry.getApiKeyAndHeadersmodelRegistry.hasConfiguredAuthregisterCommandregisterToolsendUserMessagesessionManager.getBranchsessionManager.getBranch.findsessionManager.getBranch.findLastsessionManager.getEntriessessionManager.getSessionIdsetActiveToolsui.confirmui.notifyui.setStatuswaitForIdle
17 calls the source scan did not predict
.content.filter · .content.filter.map · .content.filter.map.join · .content.filter.map.join.trim · .content.filter.map.join.trim.split · .content.filter.map.join.trim.split.filter · events.emit · events.on · getActiveTools.filter · getActiveTools.filter.push · modelRegistry.find · on("model_select") · on("pi-worktree:mutation") · on("session_compact") · sessionManager.getBranch.find · sessionManager.getBranch.findLast · waitForIdle
Reached through a value the scan could not follow — passed as an argument, stored on another object, or returned by a helper.
Run against version 1.2.2 on 2026-08-02.
Registration-time behaviour under default settings; other configurations may differ.
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