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feat: reason-specific warnings for MCP servers that fail OAuth at startup

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Distinguish why an OAuth MCP server was not started: never authenticated
(no stored credentials), stored token expired and refresh failed, or the
server rejected a token that looked valid. McpTokenStatus replaces the
Option<String> return of load_or_refresh_mcp_token, and McpAuthRequired
carries the reason across the error boundary via anyhow context.
This commit is contained in:
Dark-Alex-17
2026-08-14 11:07:56 -06:00
parent d31110cd67
commit d791098e51
4 changed files with 192 additions and 43 deletions
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src/config/request_context.rs
+8 -7
View File
@@ -22,7 +22,7 @@ use crate::function::{
};
use crate::mcp::{
MCP_DESCRIBE_META_FUNCTION_NAME_PREFIX, MCP_INVOKE_META_FUNCTION_NAME_PREFIX,
MCP_SEARCH_META_FUNCTION_NAME_PREFIX, is_auth_required_error,
MCP_SEARCH_META_FUNCTION_NAME_PREFIX, McpAuthReason, McpAuthRequired, is_auth_required_error,
};
use crate::rag::Rag;
use crate::supervisor::Supervisor;
@@ -3427,7 +3427,11 @@ impl RequestContext {
{
Ok(handle) => handles.push((id.clone(), handle)),
Err(e) if is_auth_required_error(&e) => {
auth_required.push(id.clone())
let reason = e
.downcast_ref::<McpAuthRequired>()
.map(|a| a.reason)
.unwrap_or(McpAuthReason::NotAuthenticated);
auth_required.push((id.clone(), reason));
}
Err(e) => return Err(e),
}
@@ -3444,11 +3448,8 @@ impl RequestContext {
for (id, handle) in handles {
mcp_runtime.insert(id, handle);
}
for id in auth_required {
eprintln!(
"Warning: MCP server '{id}' requires OAuth authentication and was not started. \
Run `.mcp auth {id}` (or `coyote --auth-mcp {id}`) to authenticate and attach it."
);
for (id, reason) in auth_required {
eprintln!("Warning: {}", McpAuthRequired { server: id, reason });
}
}
}