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Get Started Free →Use when designing or auditing free samples, lead magnets, trial offers, concessions, referral gifts, favor exchanges, freemium onboarding, consultation offers, or give-first sales strategies where reciprocity, obligation, uninvited gifts, or concession tactics may affect decisions.
.claude/skills/hashgraph-online-reciprocity-offer-design/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-05 | ✗→✓ | ▲ Improved | -2% | 0% |
| case-08 | ✗→✓ | ▲ Improved | 4% | 0% |
| case-13 | ✗→✓ | ▲ Improved | 11% | 0% |
| case-01 | ✓→✓ | = Same ✓ | 4% | 0% |
| case-02 | ✓→✓ | = Same ✓ | -7% | 0% |
Use reciprocity to create real value before asking, while avoiding obligation traps. The rule is powerful because people feel pressure to repay favors, including some they did not request.
guidelines.md to choose the smallest useful reference set.references/reciprocity/knowledge.md for concepts and references/reciprocity/rules.md for operating rules.workflows/design-value-first-offer.md for repeatable tasks.| File | Purpose | | --- | --- | | references/reciprocity/knowledge.md | Core concepts and source-grounded definitions | | references/reciprocity/rules.md | Rules, boundaries, and practical guidelines | | references/reciprocity/examples.md | Bad/better examples for applied situations | | references/reciprocity/smells.md | Red flags and anti-patterns to detect | | references/reciprocity/checklist.md | Fast review checklist | | workflows/design-value-first-offer.md | Create a free or front-loaded offer that builds trust without manufacturing debt. |
Use the prompts in evals/evals.json as smoke tests. A good result identifies the relevant Influence principle, preserves user agency, and avoids fabricated evidence or coercive pressure.
Other measured skills in the registry, with their headline benchmark lift.