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 skills add allenhutchison/obsidian-gemini --skill obsidian-basesgit clone --depth 1 https://github.com/allenhutchison/obsidian-geminiWrote 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/skills/allenhutchison/obsidian-gemini/obsidian-bases)<a href="https://agentmods.dev/skills/allenhutchison/obsidian-gemini/obsidian-bases"><img src="https://agentmods.dev/badge/skills/allenhutchison/obsidian-gemini/obsidian-bases/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/skills/allenhutchison/obsidian-gemini/obsidian-bases"><img src="https://agentmods.dev/badge/skills/allenhutchison/obsidian-gemini/obsidian-bases.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00043 | $0.02521 |
| Opus 5 | $0.00022 | $0.01260 |
| Sonnet 5 | $0.00009 | $0.00504 |
| Haiku 4.5 | $0.00004 | $0.00252 |
Grade A, and why
obsidian-bases 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 11d 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 — 336 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Obsidian Bases
Bases is a core Obsidian plugin that creates database-like views of notes. A base can display, edit, sort, and filter files and their properties using table, cards, list, or map views.
All data lives in local Markdown files and their properties. Views are described by Bases syntax (YAML), saved as .base files or embedded in code blocks.
Creating a Base
As a file: Command palette → Bases: Create new base, or right-click a folder → New base.
Embedded in a note: Use a base code block:
```base
filters:
and:
- file.hasTag("example")
views:
- type: table
name: Table
```
Embed an existing base: ![[File.base]] or ![[File.base#ViewName]].
Important: Embedded base code blocks only render in Reading view or Live Preview mode. They appear as raw YAML in Source mode. After creating an embedded base, let the user know they may need to switch to Reading view to see it rendered.
Bases Syntax (YAML)
A base file has these top-level sections, all optional:
filters: # Global filters applied to all views
formulas: # Calculated properties
properties: # Display configuration (e.g., column headers)
summaries: # Custom summary formulas
views: # One or more view definitions
Filters
By default a base includes every file in the vault. Filters narrow the dataset.
Filters can be applied globally (all views) or per-view. Both use the same syntax and are combined with AND when both are present.
filters:
and:
- file.hasTag("project")
- 'status != "done"'
or:
- file.inFolder("Work")
- file.inFolder("Personal")
not:
- file.hasTag("archived")
Filter statements are strings that evaluate to true/false using comparison operators or functions.
Formulas
Calculated properties defined in the base:
formulas:
total_cost: 'price * quantity'
formatted_price: 'if(price, "$" + price.toFixed(2), "")'
deadline: 'start_date + "2w"'
overdue: 'if(due_date < now() && status != "Done", "Overdue", "")'
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.
- 11d ago First seen · 336 lines · 43 tokens per session scan A ea03412b2f20
obsidian-bases is a skill published in the GitHub repository allenhutchison/obsidian-gemini (524 stars, last pushed today), licensed MIT. It adds 43 tokens to every session and 2,521 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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