Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/trvon/pi-loop/agents-mdgit clone --depth 1 https://github.com/trvon/pi-loopWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.01769 | $0.01769 |
| Opus 5 | $0.00885 | $0.00885 |
| Sonnet 5 | $0.00354 | $0.00354 |
| Haiku 4.5 | $0.00177 | $0.00177 |
Grade A, and why
pi-loop AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.
pi-loop development guide
Purpose
pi-loop is a Pi extension for scheduled/event-driven re-wakes, self-paced goals, task-driven workflows, bounded subagent orchestration, native fallback tasks, and background process monitoring.
Stack: strict TypeScript 7, ES2022, TypeBox, Vitest, and Biome.
Authority boundaries
Do not blur these domains:
LoopStoreexclusively owns loops, workflow definitions/revisions/executions/history/leases, and finite subagent orchestration batches/dispatches.TaskStoreor externalpi-tasksowns standalone tasks only./tasks, task RPC,TaskClaim, andTaskUpdatenever control workflow work.MonitorManagerowns process-local monitor state; monitor recovery across Pi death is not implemented.pi-subagentsowns worker execution and global concurrency. pi-loop owns only session-scoped orchestration intent, bounded evidence, local capacity, and recovery decisions.- Pending notifications are memory-only; persisted controllers recover on resume, not while Pi is absent.
A feature that requires a cross-store workflow/task transaction violates the architecture.
Source map
src/index.ts extension registration and runtime wiring
src/api.ts supported @trevonistrevon/pi-loop/api surface
src/types.ts loop, workflow, revision, monitor contracts
src/store.ts LoopStore workflow/orchestration atomic mutations
src/workflow-admission.ts provider-neutral blocker transition admission
src/task-store.ts standalone native task persistence
src/*-reducer.ts pure state transitions
src/coordinator.ts reducer/effect coordination
src/scheduler.ts cron scheduling and fire times
src/trigger-system.ts cron/event/hybrid activation
src/monitor-manager.ts child processes and bounded output
src/runtime/ session, notification, backlog, orchestration, task-provider, monitor wiring
src/tools/ model-facing tool definitions
src/commands/ /loop and /tasks
src/rpc/ vendored cross-extension RPC
src/ui/ status and tool rendering
test/ unit, integration, property, and live harnesses
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 158 lines · 1,769 tokens per session scan A 636935f76c41
pi-loop AGENTS.md is an instructions file published in the GitHub repository trvon/pi-loop (10 stars, last pushed 2d ago), licensed MIT. It adds 1,769 tokens to every session, about $0.0088 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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