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mcp: validate tool names (#640)

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Implement SEP 986, enforcing restrictions on tool names. Since we're
already at v1 we couldn't turn this into a panic, so use an error log
instead. This is consistent with the typescript SDK. A note is left in
our 'rough edges' doc to panic in v2.

Fixes #621
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Robert Findley 2025-11-19 17:01:50 -05:00 • committed by GitHub
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mcp/shared.go
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@ -34,12 +34,14 @@ const (
// It is the version that the client sends in the initialization request, and
// the default version used by the server.
latestProtocolVersion = protocolVersion20250618
protocolVersion20251125 = "2025-11-25" // not yet released
protocolVersion20250618 = "2025-06-18"
protocolVersion20250326 = "2025-03-26"
protocolVersion20241105 = "2024-11-05"
)
var supportedProtocolVersions = []string{
protocolVersion20251125,
protocolVersion20250618,
protocolVersion20250326,
protocolVersion20241105,