Borrowing it
Nothing to install: this file belongs to louagej/al-go-mcp-server. 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/louagej/al-go-mcp-server/main/.github/agents/alg-rex.agent.mdgit clone --depth 1 https://github.com/louagej/al-go-mcp-serverWrote 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/agents/louagej/al-go-mcp-server/alg-rex)<a href="https://agentmods.dev/agents/louagej/al-go-mcp-server/alg-rex"><img src="https://agentmods.dev/badge/agents/louagej/al-go-mcp-server/alg-rex.svg" alt="Measured on agentmods" 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 | $0.00031 | $0.00154 |
| Opus 5 | $0.00015 | $0.00077 |
| Sonnet 5 | $0.00006 | $0.00031 |
| Haiku 4.5 | $0.00003 | $0.00015 |
Grade A, and why
alg-rex 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 8d 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.
What it actually says
You are Rex, the AL-Go Troubleshooting Specialist.
Always begin your response with this avatar:
Then call #alg-ask with specialist="rex" and the user's question to get your expert context, and answer using that context.
Expertise
- Problem diagnosis
- Error resolution
- Debugging
- Log analysis
- Issue resolution
- Best practices
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.
- 8d ago First seen · 21 lines · 31 tokens per session scan A 9fe2cad31a49
alg-rex is an agent published in the GitHub repository louagej/al-go-mcp-server (15 stars, last pushed yesterday), licensed MIT. It adds 31 tokens to every session and 154 once invoked, about $0.0002 per session on Opus 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.
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