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github-oidc-immutable-subject-claim

v1.0.0

Diagnose a GitHub Actions job that fails to assume an AWS role by OIDC with "Not authorized to perform sts:AssumeRoleWithWebIdentity" even though the trust policy allows the whole org and every sibling repo works: GitHub is migrating the OIDC subject claim to the immutable form repo:ORG@ORG_ID/REPO@REPO_ID, which a repo:ORG/* StringLike cannot match. Covers reading the real sub claim without printing the token, the sub_claim_prefix API that finds it with no CI round trip, and the forward-compatible trust-policy patch.

Claude Code

By voitta-aiLicense: MIT3 GitHub starsUpdated 2 hours ago

Directory evidence

Runtimes
Claude Code
Parsed components
0 skill or MCP entries
Source updated
Sep 28, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install github-oidc-immutable-subject-claim for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install github-oidc-immutable-subject-claim@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/voitta-ai/skillz

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/github-oidc-immutable-subject-claim/.

Plugin files

plugins/github-oidc-immutable-subject-claim/
└── .claude-plugin/plugin.json

Plugin manifests1

plugins/github-oidc-immutable-subject-claim/.claude-plugin/plugin.json
{
  "name": "github-oidc-immutable-subject-claim",
  "description": "Diagnose a GitHub Actions job that fails to assume an AWS role by OIDC with \"Not authorized to perform sts:AssumeRoleWithWebIdentity\" even though the trust policy allows the whole org and every sibling repo works: GitHub is migrating the OIDC subject claim to the immutable form repo:ORG@ORG_ID/REPO@REPO_ID, which a repo:ORG/* StringLike cannot match. Covers reading the real sub claim without printing the token, the sub_claim_prefix API that finds it with no CI round trip, and the forward-compatible trust-policy patch.",
  "version": "1.0.0",
  "author": {
    "name": "voitta-ai"
  },
  "homepage": "https://github.com/voitta-ai/skillz",
  "repository": "https://github.com/voitta-ai/skillz",
  "license": "MIT",
  "skills": "./skills/"
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[github-oidc-immutable-subject-claim on Agent Plugins Marketplace](https://pluginsmp.com/plugins/github-oidc-immutable-subject-claim)