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Document XAA issuer mismatch error (409 VALIDATION_ERROR)#3043

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Document XAA issuer mismatch error (409 VALIDATION_ERROR)#3043
mintlify[bot] wants to merge 1 commit into
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mintlify/docs-update-pr-3042-1783407542554

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@mintlify mintlify Bot commented Jul 7, 2026

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Added documentation for the new 409 VALIDATION_ERROR issuer mismatch error introduced in PR #3042, which replaced the opaque 502 SERVER_UNREACHABLE that was previously swallowed by Cloudflare's error page. Users can now understand what the error means and how to fix it.

Files changed:

  • docs/inspector/xaa-debugger.mdx — Added a new Authorization Server Issuer Mismatch (409 VALIDATION_ERROR) entry to the Common Error Scenarios section, covering both the standard mismatch case and the TLS-proxy scheme-only variant.

Generated from fix(xaa): make the issuer-mismatch abort visible and actionable @chelojimenez


Summary by cubic

Documented the new Authorization Server Issuer Mismatch (409 VALIDATION_ERROR) in the XAA Debugger to make issuer mismatches clear and actionable. Explains expected vs. advertised issuer, provides fix steps, and covers the TLS-proxy scheme-only variant, replacing previously opaque 502 errors.

Written for commit b728ff9. Summary will update on new commits.

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Generated-By: mintlify-agent

Mintlify-Source: dashboard-editor
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mintlify Bot commented Jul 7, 2026

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Project Status Preview Updated (UTC)
mcpjam 🟢 Ready View Preview Jul 7, 2026, 7:01 AM

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@dosubot dosubot Bot added the size:XS This PR changes 0-9 lines, ignoring generated files. label Jul 7, 2026
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Codex usage limits have been reached for code reviews. Please check with the admins of this repo to increase the limits by adding credits.
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@dosubot dosubot Bot added the documentation Improvements or additions to documentation label Jul 7, 2026
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Snyk checks have passed. No issues have been found so far.

Status Scan Engine Critical High Medium Low Total (0)
Open Source Security 0 0 0 0 0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

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github-actions Bot commented Jul 7, 2026

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Internal preview

Preview URL: https://mcp-inspector-pr-3043.up.railway.app
Deployed commit: 6b42e33
PR head commit: b728ff9
Backend target: staging fallback.
Health: ✅ Convex reachable
Access is employee-only in non-production environments.

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