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obsidian-bases

obsidian-bases is a skill for Claude Code, Codex from khamu8103/obsidian-skills. It costs 63 tokens per session (3,433 once invoked), scanned A, a copy of obsidian-bases, MIT.

A guide for creating and editing Obsidian Bases, database-like views of notes in the Obsidian note-taking app. It covers filters, formulas, tables, cards, lists, maps, and validation.

In plain words
What is it for?
Use it to create or update .base files, select notes by properties or folders, calculate values, configure views, and check the result.
Why use it?
It helps avoid invalid YAML and broken references that can stop a Base view from rendering correctly.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 2repo 2d ago A scan 63 tokens copy · 100% MIT

Good fit Use it to create or update .base files, select notes by properties or folders, calculate values, configure views, and check the result.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/khamu8103/obsidian-skills/obsidian-bases
View source ↗ khamu8103/obsidian-skills
Install

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.

Any agent
npx skills add khamu8103/obsidian-skills --skill obsidian-bases
Clone the repo
git clone --depth 1 https://github.com/khamu8103/obsidian-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for obsidian-bases

README.md
[![agentmods](https://agentmods.dev/badge/skills/khamu8103/obsidian-skills/obsidian-bases/github.svg)](https://agentmods.dev/skills/khamu8103/obsidian-skills/obsidian-bases)
Your own site
<a href="https://agentmods.dev/skills/khamu8103/obsidian-skills/obsidian-bases"><img src="https://agentmods.dev/badge/skills/khamu8103/obsidian-skills/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.

agentmods 80×15 button for obsidian-bases

Your own site · 80×15
<a href="https://agentmods.dev/skills/khamu8103/obsidian-skills/obsidian-bases"><img src="https://agentmods.dev/badge/skills/khamu8103/obsidian-skills/obsidian-bases.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,433 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00063 $0.03433
Opus 5 $0.00032 $0.01716
Sonnet 5 $0.00013 $0.00687
Haiku 4.5 $0.00006 $0.00343

Measured 12d ago against content hash 1785f37a2b00, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

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 12d 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.

Origin

This is a copy

100% identical to obsidian-bases — 14 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/obsidian-bases/SKILL.md · 498 lines

How it starts

The opening of the file, as written. The whole thing — 498 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Obsidian Bases Skill

Workflow

  1. Create the file: Create a .base file in the vault with valid YAML content
  2. Define scope: Add filters to select which notes appear (by tag, folder, property, or date)
  3. Add formulas (optional): Define computed properties in the formulas section
  4. Configure views: Add one or more views (table, cards, list, or map) with order specifying which properties to display
  5. Validate: Verify the file is valid YAML with no syntax errors. Check that all referenced properties and formulas exist. Common issues: unquoted strings containing special YAML characters, mismatched quotes in formula expressions, referencing formula.X without defining X in formulas
  6. Test in Obsidian: Open the .base file in Obsidian to confirm the view renders correctly. If it shows a YAML error, check quoting rules below

Schema

Base files use the .base extension and contain valid YAML.

# Global filters apply to ALL views in the base
filters:
  # Can be a single filter string
  # OR a recursive filter object with and/or/not
  and: []
  or: []
  not: []

# Define formula properties that can be used across all views
formulas:
  formula_name: 'expression'

# Configure display names and settings for properties
properties:
  property_name:
    displayName: "Display Name"
  formula.formula_name:
    displayName: "Formula Display Name"
  file.ext:
    displayName: "Extension"

# Define custom summary formulas
summaries:
  custom_summary_name: 'values.mean().round(3)'

# Define one or more views
views:
  - type: table | cards | list | map
    name: "View Name"
    limit: 10                    # Optional: limit results
    groupBy:                     # Optional: group results
      property: property_name
      direction: ASC | DESC
    filters:                     # View-specific filters
      and: []
    order:                       # Properties to display in order
      - file.name
      - property_name
      - formula.formula_name
    summaries:                   # Map properties to summary formulas
      property_name: Average

Read the full file on GitHub · 498 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 12d ago First seen · 498 lines · 63 tokens per session scan A 1785f37a2b00

Subscribe to this mod's changes

obsidian-bases is a skill published in the GitHub repository khamu8103/obsidian-skills (2 stars, last pushed 2d ago), licensed MIT. It adds 63 tokens to every session and 3,433 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to obsidian-bases, differing in 14 lines, and is treated as a copy.

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