From grimoire
Controls competitive information about intentions, timing, and concentration to create strategic advantage. Useful in negotiations, product launches, and competitive positioning.
How this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:apply-strategic-deceptionThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Control what the opponent believes about your intentions, timing, strength, and concentration point — so their response creates advantage for you rather than neutralising it.
Control what the opponent believes about your intentions, timing, strength, and concentration point — so their response creates advantage for you rather than neutralising it.
Origin: Sun Tzu opens The Art of War with its most quoted line: "All warfare is based on deception." (兵者,詭道也, Ch.1, Giles trans.) The chapter continues: "When able to attack, we must seem unable; when using our forces, we must seem inactive; when we are near, we must make the enemy believe we are far away; when far away, we must make him believe we are near." Chapter 7 (Maneuvering) develops the movement equivalent: "Appear at points which the enemy must hasten to defend; march swiftly to places where you are not expected." (Ch.7, Giles trans.)
Adopted by: Strategic deception in business is practiced by every sophisticated competitive actor — it is the discipline of information sequencing, not lying. Apple's product announcement strategy ("one more thing") controls the competitive information environment. Amazon does not pre-announce AWS pricing changes. Poker champions, negotiators, and M&A dealmakers all practice strategic information management. Shell's Bargaining for Advantage cites information sequencing as one of the highest-leverage negotiation variables.
Impact: An opponent who knows your intention, timing, and concentration point in advance can pre-empt your move, counter-concentrate resources, alert customers, or accelerate their own competing initiative. An opponent acting on false or incomplete information wastes resources defending the wrong position, building the wrong features, or entering the wrong market. The element of surprise is a force multiplier — it converts a smaller force into an effective one.
Why best: The principle is not about lying to customers, regulators, or partners — it is about the discipline of controlling what competitive information reaches the opponent, when they receive it, and what picture it paints. This is strategic communication, practiced by every professional negotiator, product strategist, and competitive intelligence professional.
Sources: Sun Tzu, The Art of War (Giles trans. 1910) — Ch.1 (Laying Plans), Ch.7 (Maneuvering); Cialdini, Influence (1984) — reciprocity and scarcity as competitive levers; Shell, Bargaining for Advantage (2006) — information asymmetry in negotiation; McNeilly, Sun Tzu and the Art of Business (1996) — business applications
Before designing a deceptive posture, understand what information the opponent requires to mount an effective response to your actual intention.
For each strategic move you are planning, ask: "If the opponent knew [specific piece of information] today, how would they respond — and would that response neutralise my advantage?"
Information your opponent must not know prematurely:
When you have a genuine capability or position advantage, suppressing that signal invites the opponent to engage on terrain where you will win.
Application: Do not reveal technical capabilities, feature roadmaps, or market positions that would cause the opponent to disengage from a competition you want to win. Let them continue investing in a direct response to a capability you are prepared to defeat.
Example: A company with a strong engineering team may deliberately understate its development velocity, allowing a competitor to believe they are ahead in a product race — only to reveal the fully-built product at launch, when there is no time for the competitor to respond.
When you have a genuine weakness that, if known, would invite a damaging competitive response, projecting strength deters that response.
Application: If you are vulnerable in a market segment, do not invite the opponent to attack by signalling weakness. Maintain a visible presence (正 force) in that area even if your true concentration is elsewhere.
Example: A negotiator who reveals they have no alternative options invites exploitation. A candidate who reveals they have no other offers removes their leverage. A startup that reveals its runway is 3 months will find the incumbent delays decisions to wait them out. Appear financially stronger and more operationally stable than you are until the position is secured.
Important ethical boundary: This principle applies to withholding information and framing. It does not apply to fabricating capabilities, making false product claims, or misrepresenting material facts to customers, investors, or regulators. The principle is about sequencing and emphasis, not fabrication.
A feint is a visible action that signals one intention while the true action proceeds undetected.
Business feints:
A feint is only effective if the signal is credible. A credible feint requires visible commitment (public announcement, hiring, press coverage) — it cannot be a casual misdirection.
"The spot where we intend to fight must not be made known; for then the enemy will have to prepare against a possible attack at several different points." (Ch.6, Giles trans.)
Timing deception is the most universally applicable form. Even if the opponent knows your intention, acting at an unexpected time prevents them from having their response ready.
Timing principles:
The deceptive posture serves a purpose until the position is established. Once your concentration point is fortified, your partnership is live, your product is in market, or your deal is signed, the deceptive posture is no longer necessary.
"In all fighting, the direct method may be used for joining battle, but indirect methods will be needed to secure victory." (Ch.5, Giles trans.)
After the position is secured, transition to direct, transparent communication about your capabilities and position — this builds the long-term trust with customers and partners that sustains the competitive advantage.
Apple's product announcement strategy: Apple maintains extreme secrecy on product development, leaked only when the product is ready for announcement. Competitors — who are aware Apple is developing in a category — cannot know the feature set, price point, or launch timing, preventing them from pre-announcing competing products or adjusting their own roadmap. The announcement itself is timed for maximum market impact. By the time competitors see the full product and formulate a response, Apple has 6–12 months of sales lead time.
Negotiation — walk-away discipline: In a salary negotiation, revealing that you have no competing offers removes your leverage. The deceptive posture: maintain ambiguity ("I am evaluating several opportunities") regardless of the true state. The employer does not know your walk-away point and cannot structure an offer designed to just barely exceed it. The principle: do not reveal your true BATNA until the negotiation is concluded.
Startup launch — feint before the real move: A startup is building a B2B SaaS product for the healthcare vertical. A larger competitor, aware the startup is in the space, is monitoring their job postings and product announcements. The startup announces a partnership with a consumer health app (credible, minor resource commitment). The competitor interprets this as a B2C pivot and redirects competitive intelligence focus. The real B2B launch proceeds unmonitored for 6 additional months, establishing the first 20 enterprise customers before the competitor realises the true direction.
Confusing deception with dishonesty toward customers: The principle applies to competitive information management, not to misrepresenting your product, pricing, or capabilities to customers. False claims to customers, investors, or regulators are illegal and destroy long-term trust. The boundary is firm.
Maintaining the deceptive posture after it has served its purpose: Chronic opacity becomes a cultural problem — teams cannot coordinate, partners cannot commit, customers cannot trust. The deceptive posture is tactical and time-limited.
Executing a transparent feint: A feint requires credible commitment. A vague announcement that draws no resources is not a feint; it is noise. If you use a feint, invest enough to make it believable.
Overestimating the opponent's intelligence: Not every strategic move requires a deceptive posture. If the opponent lacks the capability to monitor and respond to your moves, the deceptive posture adds cost without benefit. Reserve it for engaged, capable competitors who are actively monitoring your actions.
Revealing the deception voluntarily after the fact: Once a position is established, there is no need to acknowledge the deceptive posture — doing so creates adversarial relationships with competitors and partners who will question future communications. Transition to transparency without commentary on the prior posture.
npx claudepluginhub jeffreytse/grimoire --plugin grimoireManages information asymmetry in competitive contexts—deciding what to conceal, what impressions work in your favor, and reading opponent's signals.
Maps an opponent's countermoves and systematically closes them off before revealing your intent. Use when planning a major competitive move to pre-emptively secure distribution, talent, supply, regulatory, or ecosystem position.