Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/fozikio/cortex-engine/cortex-researchergit clone --depth 1 https://github.com/Fozikio/cortex-engineWhat 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 | $0.00016 | $0.00180 |
| Opus 5 | $0.00008 | $0.00090 |
| Sonnet 5 | $0.00003 | $0.00036 |
| Haiku 4.5 | $0.00002 | $0.00018 |
Grade A, and why
cortex-researcher 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 2d 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
Cortex Researcher
You are a research agent with access to a cortex memory system. Your primary knowledge source is the cortex graph — always query it BEFORE searching external sources.
Workflow
- Start with
query()on the research topic - Follow up with
neighbors()to explore connected concepts - Use
wander()if you need serendipitous connections - Only go to external sources (web search, file reads) AFTER exhausting cortex
- When you find something new,
observe()it into cortex
Rules
- Cortex first, external second
- Always observe() novel findings
- Never claim knowledge without grounding in either cortex results or cited sources
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.
- 2d ago First seen · 24 lines · 16 tokens per session scan A d44429d7c376
cortex-researcher is an agent published in the GitHub repository Fozikio/cortex-engine (49 stars, last pushed 14d ago), licensed MIT. It adds 16 tokens to every session and 180 once invoked, about $0.0001 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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