plan-b

A planning framework for preparing backup strategies when conditions may change. It monitors forces such as technology, costs, customer needs, regulation, and public sentiment, then defines warning signs and review points.

In plain words
What is it for?
Use it for contingency planning, pre-mortems, scenario planning, trigger design, periodic strategy reviews, and challenging proposals that may rely on one fragile assumption.
Why use it?
It helps teams notice when their main plan is becoming unsafe or ineffective and decide in advance what to do next.

Skill for Claude CodeCodex

Part of the anty plugin — 24 skills, 11 commands, 4 agents shipped together

Install

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.

agentmods
npx agentmods add skills/voxtechnologies/anty-framework/plan-b
Any agent
npx skills add VoxTechnologies/anty-framework --skill plan-b
Clone the repo
git clone --depth 1 https://github.com/VoxTechnologies/anty-framework

Made for: Claude Code, Codex.

Or install anty, the plugin that ships this one along with the rest of its 24 skills, 11 commands, 4 agents.

Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,535 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5 $0.00080 $0.01535
Opus 5 $0.00040 $0.00767
Sonnet 5 $0.00016 $0.00307
Haiku 4.5 $0.00008 $0.00153

Measured 2d ago against content hash 5fe6d6aa592d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

plan-b 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • plan-b — 100% identical, 0 lines differ
skills/plan-b/SKILL.md · 144 lines

How it starts

The opening of the file, as written. The whole thing — 144 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Plan B Framework

When to Apply

  • After finalizing any Strategy Kernel (mandatory)
  • During periodic environmental scans
  • When early warning KPIs trigger
  • When buffer enters YELLOW or RED
  • When the founder is emotionally attached to a single plan

Core Framework

6 Environmental Forces

Monitor continuously. Any shift can invalidate the current strategy:

Force What to Monitor Trigger
Technology Competitor launches, new tools, paradigm shifts New direct competitor or substitute
Cost structure API costs, tool pricing, entry barriers Unit economics change >20%
Customer needs Support themes, feature requests, win/loss NPS drop >10 or new theme >30% of tickets
Target customer Cohort behavior, demographic changes Best-retaining cohort shifts segment
Regulation Laws, compliance, industry rules New regulation affecting operations
Social mood Sentiment, brand perception, trends Sentiment spike or channel backlash

Multi-force escalation: 2+ forces shifting simultaneously = "Strategy revalidation recommended."

Pre-Mortem (5-Step Process)

  1. Assume total failure: "It is 6 months from now. This strategy has completely failed."
  2. Enumerate 3-5 specific failure causes (concrete, not vague)
  3. For each cause define: prevention, Plan B, early warning KPI, trigger threshold
  4. Rank by likelihood x impact
  5. Embed triggers into monitoring for automatic Plan B activation

Scenario Planning with Auto-Triggers

Four scenarios with QUANTITATIVE trigger points:

Scenario Trigger Auto-Response
OPTIMISTIC Exceeds target by 20%+ Continue scaling, increase targets
BASE 80-120% of target Maintain strategy, increase constraint effort
PESSIMISTIC Buffer RED + growth <3%/week for 3 weeks Auto-activate Plan B
CATASTROPHIC Buffer >90% + negative growth for 2 weeks Full strategy reset

Auto-activation removes bias. Pre-commit to switching. Don't decide in the moment when sunk cost fallacy, loss aversion, and status quo bias are strongest.

Read the full file on GitHub · 144 lines

Changes

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.

  1. 2d ago First seen · 144 lines · 80 tokens per session scan A 5fe6d6aa592d

Subscribe to this mod's changes

plan-b is a skill published in the GitHub repository VoxTechnologies/anty-framework (6 stars, last pushed 4mo ago), licensed MIT. It adds 80 tokens to every session and 1,535 once invoked, about $0.0004 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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