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Description
Description
bigquery MCP connection fails with non-descriptive error message
❯ opencode mcp auth bigquery
┌ MCP OAuth Authentication
│
◓ Starting OAuth flow.unknown format "uint64" ignored in schema at path "#/properties/lastModifiedTime"
unknown format "uint64" ignored in schema at path "#/properties/lastModifiedTime"
unknown format "uint64" ignored in schema at path "#/$defs/MaterializedViewDefinition/properties/refreshIntervalMs"
unknown format "uint64" ignored in schema at path "#/$defs/MaterializedViewDefinition/properties/refreshIntervalMs"
unknown format "uint64" ignored in schema at path "#/properties/numRows"
unknown format "uint64" ignored in schema at path "#/properties/numRows"
■ Authentication failed
│
■ Failed to get tools
│
└ Done
config snippet
{
"$schema": "https://opencode.ai/config.json",
"theme": "opencode",
"share": "manual",
"autoupdate": true,
"mcp": {
"bigquery": {
"type": "remote",
"url": "https://bigquery.googleapis.com/mcp",
"oauth": {
"clientId": BQ_0AUTH_CLIENT_ID,
"clientSecret": "BQ_0AUTH_CLIENT_SECRET",
"scope": "https://www.googleapis.com/auth/bigquery",
},
"enabled": true
}
}
}
Plugins
no
OpenCode version
1.1.20
Steps to reproduce
- configure bigquery MCP server as described in https://docs.cloud.google.com/bigquery/docs/use-bigquery-mcp#authentication-authorization
- test connection
- cry
Screenshot and/or share link
No response
Operating System
ubuntu 24.04 LTS
Terminal
No response
Reacted by Dave Elliott and Joppe Vos
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github-actions commentedon Jan 15, 2026
This issue might be a duplicate of existing issues. Please check:
opencodehang. #3273: MCP client failing makes opencode hang (MCP failure handling)Feel free to ignore if none of these address your specific case.
thdxr commentedon Mar 25, 2026
To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.