packages / piagent-platform
skillprompttool Guards & policy

@piagent/platform

Reusable Pi agent platform, project adapters, MCP/tool policy, and coding workflow harness.

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Install

$ pi install npm:@piagent/platform

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 1.2.10. 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.
  • ◆
    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

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 piagent_toolspiagent_context_enginepiagent_contextpiagent_permission_statuspiagent_exec_policy_checkpiagent_context_budgetpiagent_tool_policy_checkpiagent_task_gate_checkpiagent_usage_snapshotpiagent_context_preflightpiagent_orchestration_policypiagent_memory_statuspiagent_memory_notepiagent_memory_searchpiagent_context_index_statuspiagent_context_index_searchpiagent_context_index_recordpiagent_profile_optionspiagent_profile_applypiagent_profile_tech_optionspiagent_profile_tech_applypiagent_profile_tech_context_recordpiagent_project_onboarding_recordpiagent_task_startpiagent_document_readpiagent_source_checkoutpiagent_context_recordpiagent_verify_recordpiagent_memory_citation_recordpiagent_trace_record

Events subscribed before_agent_startinputsession_compactsession_shutdownsession_starttool_calltool_resultturn_end

APIs called appendEntrygetActiveToolsgetContextUsagegetContextUsage.percent.toFixedgetThinkingLevelisProjectTrustednewSessionregisterCommandregisterToolsendMessagesendUserMessagesessionManager.getBranchsessionManager.getEntriessessionManager.getSessionFilesessionManager.getSessionIdsessionManager.getSessionNamesetSessionNameui.notify

1 call the source scan did not predict

getContextUsage.percent.toFixed

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 1.2.10 on 2026-08-01. 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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