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testland/webhook-replay-tests

Tests inbound webhook receivers for replay-attack resistance: capture incoming webhook payloads + headers, replay against the receiver under test, validate the Standard Webhooks signature scheme (svix-id + svix-timestamp + svix-signature, HMAC-SHA256 over `{id}.{timestamp}.{payload}`), svix-id idempotency dedup, and 5-minute timestamp-window enforcement by signing fixtures at runtime. Does NOT cover outbound delivery, retry-on-5xx, or failure-event exhaustion - those belong to an outbound webhook delivery harness. Use when testing the receiving side of a webhook integration.

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tile.json

{
  "name": "testland/webhook-replay-tests",
  "version": "1.3.2",
  "summary": "Tests inbound webhook receivers for replay-attack resistance: capture incoming webhook payloads + headers, replay against the receiver under test, validate the Standard Webhooks signature scheme (svix-id + svix-timestamp + svix-signature, HMAC-SHA256 over `{id}.{timestamp}.{payload}`), svix-id idempotency dedup, and 5-minute timestamp-window enforcement by signing fixtures at runtime. Does NOT cover outbound delivery, retry-on-5xx, or failure-event exhaustion - those belong to an outbound webhook delivery harness. Use when testing the receiving side of a webhook integration.",
  "private": false,
  "skills": {
    "webhook-replay-tests": {
      "path": "SKILL.md"
    }
  }
}

SKILL.md

tile.json