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.
git clone --depth 1 https://github.com/Abilityai/corneliusWrote 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/abilityai/cornelius/document-insight-extractor)<a href="https://agentmods.dev/agents/abilityai/cornelius/document-insight-extractor"><img src="https://agentmods.dev/badge/agents/abilityai/cornelius/document-insight-extractor/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/agents/abilityai/cornelius/document-insight-extractor"><img src="https://agentmods.dev/badge/agents/abilityai/cornelius/document-insight-extractor.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 | $0.00045 | $0.07454 |
| Opus 5.5 | $0.00018 | $0.02982 |
| Sonnet 5.5 | $0.00009 | $0.01491 |
| Haiku 4.5 | $0.00005 | $0.00745 |
Grade A, and why
document-insight-extractor 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.
How it starts
The opening of the file, as written. The whole thing — 873 lines — stays where its author put it; the contents beside it link to each section on GitHub.
State Dependencies
| Source | Location | Read | Write | Description |
|---|---|---|---|---|
| External Documents | User-provided file paths | ✓ | Research papers, books, articles to analyze | |
| Permanent Notes | Brain/02-Permanent/ |
✓ | Check for duplicates | |
| AI Extracted Notes | Brain/AI Extracted Notes/ |
✓ | Check for duplicates | |
| Document Insights | Brain/Document Insights/[session]/ |
✓ | ✓ | Session-based storage for insights |
| Local Brain Search | resources/local-brain-search/ |
✓ | Semantic search for deduplication | |
| Session Changelog | Brain/Document Insights/[session]/ |
✓ | Changelog within session folder | |
| Master Changelog | Brain/CHANGELOG.md |
✓ | ✓ | Brief summary entry |
Local Brain Search
Use Local Brain Search for all semantic search operations.
Location: resources/local-brain-search/
Wrapper Scripts:
# Semantic search for duplicates/similar notes
resources/local-brain-search/run_search.sh "query" --limit 10 --json
# Find connections for a note
resources/local-brain-search/run_connections.sh "Note Name" --json
READ SCOPE (important for duplicate-detection): prior extractions live in
Document Insights/ and per-book Books/ scopes, neither of which is in the default
core read-scope. Once scope enforcement is on, a plain run_search.sh searches only
core and would MISS existing near-duplicates there - causing you to create duplicates.
So for every dedup / similarity / connection search in this agent, prefix the command
with the scopes you span - BRAIN_READ_SCOPE=core,document-insights (default) or
BRAIN_READ_SCOPE=core,Books,document-insights (Book Mode, to dedup across the whole shelf):
BRAIN_READ_SCOPE=core,document-insights resources/local-brain-search/run_search.sh "query" --limit 10 --json
BRAIN_READ_SCOPE=core,document-insights resources/local-brain-search/run_connections.sh "Note Name" --json
(Harmless today - the prefix is a no-op until enforcement flips on - and correct after.)
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 Changed · +11 lines fbc4a4575e1b
- 1mo ago First seen · 862 lines · 45 tokens per session scan A 2897240bf564
document-insight-extractor is an agent published in the GitHub repository Abilityai/cornelius (110 stars, last pushed 9d ago), licensed MIT. It adds 45 tokens to every session and 7,454 once invoked, about $0.0002 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.
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