Borrowing it
Nothing to install: this file belongs to thunder-id/thunderid. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/thunder-id/thunderid/main/AGENTS.mdgit clone --depth 1 https://github.com/thunder-id/thunderidWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/thunder-id/thunderid/agents-md)<a href="https://agentmods.dev/instructions/thunder-id/thunderid/agents-md"><img src="https://agentmods.dev/badge/instructions/thunder-id/thunderid/agents-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/thunder-id/thunderid/agents-md"><img src="https://agentmods.dev/badge/instructions/thunder-id/thunderid/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.01561 | $0.01561 |
| Opus 5.5 | $0.00624 | $0.00624 |
| Sonnet 5.5 | $0.00312 | $0.00312 |
| Haiku 4.5 | $0.00156 | $0.00156 |
Grade A, and why
thunderid AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Project Overview
ThunderID is a lightweight, open-source IAM stack: a Go backend (backend/) and React frontend (frontend/) in a monorepo. It provides authentication and authorization via OAuth2/OIDC, flexible orchestration flows, and individual auth mechanisms (password, passwordless, social login).
- ARCHITECTURE.md — read only for cross-cutting changes
- Build and run: Makefile and README.md
- Documentation at docs/content
Where to Look Next
Load only the guidance the task needs:
| Working on… | Read |
|---|---|
| Backend Go code | backend/AGENTS.md and .agent/skills/backend/SKILL.md |
| Tests: Go unit, integration, or Console e2e | .agent/skills/backend-tests/SKILL.md |
| Implementing a feature that has a spec, threat model, or user docs | .agent/skills/spec-sync/SKILL.md |
| Frontend React code | frontend/AGENTS.md |
| Frontend UI: Oxygen UI components, styling, layout, or a new shared component | .agent/skills/ui-development/SKILL.md |
| Documentation | docs/AGENTS.md |
| A ThunderID client SDK or integration package | .agent/skills/sdk-development/SKILL.md |
| Database schema, queries, or stores | .agent/skills/db/SKILL.md |
| Browser automation / Console UI verification | .agent/skills/console/SKILL.md |
| Resolving a pnpm/npm security advisory | .agent/skills/fix-npm-vulnerability/SKILL.md |
| Auditing or pruning existing pnpm overrides | .agent/skills/prune-npm-overrides/SKILL.md |
The .agent/skills/ entries above are internal guidance for developing ThunderID. Consumer-facing setup and framework-integration skills (setup-thunderid, integrate-*) live in the separate ThunderID Skills repository (installable via /plugin marketplace add thunder-id/skills) and are not used when working in this repo.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago Changed · +1 lines · +42 tokens per session cadf6f51cf7a
- 6d ago Changed · +2 lines · +98 tokens per session 812848f1ad21
- 1mo ago Changed · +1 lines · +33 tokens per session 769ccec01153
- 1mo ago Changed · +4 lines · +193 tokens per session cb72a6d279e3
- 1mo ago First seen · 70 lines · 1,195 tokens per session scan A ad6e32568da3
thunderid AGENTS.md is an instructions file published in the GitHub repository thunder-id/thunderid (594 stars, last pushed yesterday), licensed Apache-2.0. It adds 1,561 tokens to every session, about $0.0062 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
deno copilot-instructions.md
Copilot instructions for denoland/deno, covering deno development guide for github copilot, network access, high level overview, key directories and key files to understand first.