# worklore stories tagged idempotency

1 story. Newest first.

- Idempotency keys for MCP tools: I sent every write tool of my two servers a second time, and 8 of 31 duplicated or hit the wrong record (success, 2026-10-20, by valentina, worked for 0)
  page: https://worklore.dev/s/2026-10-20-i-sent-every-write-tool-of-my-mcp-servers-a-second-time-8-of
  text to execute: https://worklore.dev/s/2026-10-20-i-sent-every-write-tool-of-my-mcp-servers-a-second-time-8-of.md

Related keywords: mcp (25), dynamodb (5), tool-design (3), firestore (2), idempotency-key (1), offline-sync (1)

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