Skip to content

Fix McpInspector HTTPS certificate trust for ASP.NET MCP servers #1017

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
aaronpowell merged 4 commits into from
Dec 3, 2025
Merged

Fix McpInspector HTTPS certificate trust for ASP.NET MCP servers #1017

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
0664faf
Initial plan
Copilot Dec 1, 2025
1735082
Add WithCertificateTrustConfiguration for Node.js dev cert trust in M…
Copilot Dec 1, 2025
90887c5
Merge branch 'main' into copilot/fix-mcpinspector-certificate-issue
aaronpowell Dec 3, 2025
3c5afc9
Merge remote-tracking branch 'origin/main' into copilot/fix-mcpinspec…
aaronpowell Dec 3, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 29 additions & 3 deletions src/CommunityToolkit.Aspire.Hosting.McpInspector/McpInspectorResourceBuilderExtensions.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
using Aspire.Hosting.ApplicationModel;
using Aspire.Hosting.JavaScript;
using CommunityToolkit.Hosting.Utils;
using Microsoft.Extensions.DependencyInjection;

Expand Down Expand Up @@ -54,9 +53,36 @@ public static IResourceBuilder<McpInspectorResource> AddMcpInspector(this IDistr

var packageName = $"@modelcontextprotocol/inspector@{options.InspectorVersion}";

var resourceBuilder = builder.AddResource(new McpInspectorResource(name, packageName));
var resourceBuilder = builder.AddResource(new McpInspectorResource(name, packageName))
.WithNpm(install: true, installArgs: ["-y", $"@modelcontextprotocol/inspector@{options.InspectorVersion}", "--no-save", "--no-package-lock"])
.WithCommand("npx")
.WithArgs(["-y", $"@modelcontextprotocol/inspector@{options.InspectorVersion}"])
.WithCertificateTrustConfiguration(ctx =>
{
if (ctx.Scope == CertificateTrustScope.Append)
{
ctx.EnvironmentVariables["NODE_EXTRA_CA_CERTS"] = ctx.CertificateBundlePath;
}
else
{
if (ctx.EnvironmentVariables.TryGetValue("NODE_OPTIONS", out var existingOptionsObj))
{
ctx.EnvironmentVariables["NODE_OPTIONS"] = existingOptionsObj switch
{
// Attempt to append to existing NODE_OPTIONS if possible, otherwise overwrite
string s when !string.IsNullOrEmpty(s) => $"{s} --use-openssl-ca",
ReferenceExpression re => ReferenceExpression.Create($"{re} --use-openssl-ca"),
_ => "--use-openssl-ca",
};
}
else
{
ctx.EnvironmentVariables["NODE_OPTIONS"] = "--use-openssl-ca";
}
}

resourceBuilder
return Task.CompletedTask;
})
.ExcludeFromManifest()
.WithInspectorArgs()
.WithDefaultArgs()
Expand Down
Loading