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Add filtering functionality to server list endpoint (#374)

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## Summary
- Adds `updated_since`, `search`, and `version` query parameters to `GET
/v0/servers`
- Enables incremental synchronization via RFC3339 timestamp filtering
- Provides simple substring search on server names
- Supports latest version filtering with `version=latest`

This implementation provides the core filtering capabilities needed for
efficient registry synchronization and improved server discovery.

Fixes #291
Fixes #135
This commit is contained in:
adam jones 2025-09-08 13:55:33 -07:00 • committed by GitHub
commit a85456a9b9
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1 changed files with 262 additions and 13 deletions
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21
internal/database/postgres.go
View file

@ -40,6 +40,7 @@ func NewPostgreSQL(ctx context.Context, connectionURI string) (*PostgreSQL, erro
}, nil
}
//nolint:cyclop // Database filtering logic is inherently complex but clear
func (db *PostgreSQL) List(
ctx context.Context,
filter *ServerFilter,
@ -71,6 +72,26 @@ func (db *PostgreSQL) List(
args = append(args, *filter.RemoteURL)
argIndex++
}
if filter.UpdatedSince != nil {
whereConditions = append(whereConditions, fmt.Sprintf("(value->'_meta'->'io.modelcontextprotocol.registry/official'->>'updated_at')::timestamp > $%d", argIndex))
args = append(args, *filter.UpdatedSince)
argIndex++
}
if filter.SubstringName != nil {
whereConditions = append(whereConditions, fmt.Sprintf("value->>'name' ILIKE $%d", argIndex))
args = append(args, "%"+*filter.SubstringName+"%")
argIndex++
}
if filter.Version != nil {
whereConditions = append(whereConditions, fmt.Sprintf("(value->'version_detail'->>'version') = $%d", argIndex))
args = append(args, *filter.Version)
argIndex++
}
if filter.IsLatest != nil {
whereConditions = append(whereConditions, fmt.Sprintf("(value->'_meta'->'io.modelcontextprotocol.registry/official'->>'is_latest')::boolean = $%d", argIndex))
args = append(args, *filter.IsLatest)
argIndex++
}
}
// Add cursor pagination using registry metadata ID