State the behavior, environment, evidence threshold, and rights you need. The ranking shows its work.
INTENT / small idempotency guard for duplicate payment and webhook requests
Rejects conflicting request replays and safely returns prior outcomes using canonical fingerprints and bounded retention policies.
TypeScript · node-service · aws-lambda · 99% coverage
Composes with 3 declared catalog connections · fixture declared
Matches 6 request terms: idempotency, guard, duplicate, webhook, webhooks · Estimated 0.5-hour integration
Gaps: small idempotency guard for duplicate payment and webhook requests
Economics withheld: hard functional gaps make rebuild and integration non-comparable.
Developer artifact
$9
licensed artifact
Verifies raw-body HMAC webhook signatures with constant-time comparison, timestamp tolerance, and rotation-safe key selection.
TypeScript · node-service · aws-lambda · vercel · 99% coverage
Composes with 2 declared catalog connections · fixture declared
Matches 4 request terms: guard, webhook, webhooks, event-delivery · Estimated 0.5-hour integration
Gaps: small idempotency guard for duplicate payment and webhook requests
Economics withheld: hard functional gaps make rebuild and integration non-comparable.
Developer artifact
$9
licensed artifact
Calculates bounded exponential retry schedules with deterministic jitter, retry budgets, and explicit terminal decisions.
TypeScript · node-service · aws-lambda · container · 100% coverage
Composes with 2 declared catalog connections · fixture declared
Estimated 0.25-hour integration
Gaps: small idempotency guard for duplicate payment and webhook requests
Economics withheld: hard functional gaps make rebuild and integration non-comparable.
Watch: No meaningful request terms matched the capability manifest
Developer artifact
$5
licensed artifact
Redacts declared sensitive JSON paths without changing payload shape and emits an inspectable field-level action report.
TypeScript · node-service · aws-lambda · vercel · 100% coverage
Composes with 3 declared catalog connections · fixture declared
Estimated 0.5-hour integration
Gaps: small idempotency guard for duplicate payment and webhook requests
Economics withheld: hard functional gaps make rebuild and integration non-comparable.
Watch: No meaningful request terms matched the capability manifest
Developer artifact
$12
licensed artifact
Rejects upload type confusion by comparing declared MIME types, extensions, and bounded magic-byte signatures.
TypeScript · node-service · aws-lambda · vercel · 97% coverage
Composes with 2 declared catalog connections · fixture declared
Estimated 0.75-hour integration
Gaps: small idempotency guard for duplicate payment and webhook requests
Economics withheld: hard functional gaps make rebuild and integration non-comparable.
Watch: No meaningful request terms matched the capability manifest
Developer artifact
$15
licensed artifact