Attester Oracle for ChatGPT
io.github.maminihds/attester-mcp
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client:ChatGPT
transport:streamable-http
tools:4
Install Attester Oracle in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://attester.dev/mcp/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs