Page history · claude-docs
Supersede older widget instancesconnectors/building/mcp-apps/instance-supersession
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Recorded changes 3 including the first read
Lines now 244 in the newest capture
Characters 15,061 in the newest capture
First seen
14 Aug 2026
09:20 UTC
Last changed
22 Oct 2026
18:07 UTC
Every recorded edit
3 edits since this site first read it
As it stands
Lines244
Characters15,061
Categoryconnectors
Pathconnectors/building/mcp-apps/instance-supersession
Read it upstream →
Sections it gained
## Understand how supersession works
### Understand why the key comes from the server
## Handle production edge cases
### Don't compare server and client timestamps
### Cache the key across remounts
## Next steps
# Supersede older widget instances
## How it works
## Mint the election key on the server
### Why not use client-side `Date.now()`?
## Run the election in the widget
### Read the key from the `toolresult` event