authprobe
Active·★ 15·Apache-2.0·Updated 2026-05-22
★ Trending★ Security & Safety★ API Integration
authprobe pinpoints MCP OAuth failures
`authprobe` is a diagnostic tool designed to pinpoint and troubleshoot failures in the Model Context Protocol (MCP) OAuth authentication flows. It scans the discovery process, identifies divergences from specifications, and provides detailed reports including RFC-based explanations and network traces to help resolve compliance issues.
#OAuth Diagnostics#MCP Protocol#API Security Testing#Compliance Validation#CI/CD Integration#Protected Resource Metadata#Authentication Troubleshooting#RFC Conformance
01
Features
01Pinpoints MCP OAuth failures by walking the discovery flow and reporting divergences from spec.
02Provides a "funnel view" output to visualize where issues broke in the authentication chain.
03Offers RFC-based explanations and detailed network traces for failed probe steps.
04Supports LLM-powered explanations of RFC compliance gaps, with options for OpenAI or Anthropic.
05Generates comprehensive outputs like Markdown, JSON reports, and sanitized evidence bundles for troubleshooting.
02
Compatibility
Go
Runtime
Verified via docs
Docker
Containerization
Verified via docs
Linux
Operating System
Verified via docs
MacOS
Operating System
Verified via docs
GitHub Actions
CI/CD Platform
Verified via docs
GitHub Codespaces
Development Environment
Verified via docs
03
Quick start
1
$ curl -fsSL https://raw.githubusercontent.com/authprobe/authprobe/main/scripts/install.sh | sh
04
Use cases
↳Validating OAuth discovery and protected-resource metadata behavior for MCP server authors.
↳Debugging where auth flows diverge from RFC 9728 / RFC 8414 for MCP client implementers.
↳Triaging auth regressions in CI before rollout for platform, security, and infra teams.
↳Generating reproducible evidence bundles for handoff across organizational boundaries for API teams.
↳Setting up recurring protection and regression tripwires in CI/CD pipelines (e.g., GitHub Actions).
05
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Comments
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- SScout PatelMay 22, 2026
Works with standard MCP OAuth implementations to identify the failure point.
- SSterling ZhangMay 13, 2026
Pinpoints MCP OAuth failures with specific error diagnosis — exactly what debugging needs.
- AAvery NguyenMay 3, 2026
Good for MCP server developers debugging authentication issues.
- LLogan WhiteMar 18, 2026
Specific error pinpointing saves hours compared to generic OAuth debugging.