# OAuth2 Flow Debugger

> Inspects and debugs OAuth 2.0 authorization flows including PKCE, client credentials, and device code grants, validating tokens, decoding claims, and tracing redirect chains.

- Skill: `agentskillexchange/oauth2-flow-debugger` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/oauth2-flow-debugger`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/oauth2-flow-debugger/raw
- Safety review: CAUTION (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs, Security, Authentication & OAuth
- Tags: Debugging, Jwt, Node Fetch, Oauth2, Pkce, Token Validation
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-08-22
- Page: https://skillmd.com/skills/agentskillexchange/oauth2-flow-debugger

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# OAuth2 Flow Debugger

Inspects and debugs OAuth 2.0 authorization flows including PKCE, client credentials, and device code grants. Uses jose JWT library and node-fetch to validate tokens, decode claims, and trace redirect chains.

## Installation

No source-backed install or usage instructions could be extracted automatically. Review the upstream project before running this skill in a sensitive workflow.

- Source: https://oauth.net/2/

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/oauth2-flow-debugger/)