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Agent skill

Prismer Obsidian

by Prismer-AI in Prismer-AI/PrismerCloud

Read, search, create, and edit notes in the Obsidian vault. An agent skill from Prismer-AI/PrismerCloud.

MITAuto-check passedKnowledge Management

Install Prismer Obsidian

skills CLI
$ npx skills add Prismer-AI/PrismerCloud --skill prismer-obsidian -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Prismer-AI/PrismerCloud prismer-obsidian --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Prismer-AI/PrismerCloud.git skills-src && mkdir -p .claude/skills && cp -r skills-src/sdk/cloud/catalog/skills/prismer-obsidian .claude/skills/prismer-obsidian && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
prismer-obsidian
GitHub stars
1.6k
Used in
2 other repos
Token cost
~1.1k tokens
SKILL.md length
594 words
Files
6 (incl. scripts)
Skills in repo
88
Repo updated
First seen
Licence
MIT

At a glance

Read, search, create, and edit notes in the Obsidian vault. An agent skill from Prismer-AI/PrismerCloud.

  • Knowledge Management work in your project
  • SKILL.md covers Vault path, Read a note, List notes and Search, plus 5 more sections
  • Runs Python scripts from its folder; calls python3

What it does

Prismer Obsidian is an agent skill from Prismer-AI/PrismerCloud. Read, search, create, and edit notes in the Obsidian vault.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including scripts (for example `PROVENANCE.md`, `provenance/category-DESCRIPTION.md` and `scripts/write_note.py`).

It sits in Knowledge Management. It works with Obsidian. The licence is MIT.

When your agent uses it

  • Knowledge Management work in your project

Example prompts

  • “/prismer-obsidian”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit 0d240dd. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Prismer Obsidian loads about 1.1k tokens when it runs. Until then it costs about 19 tokens; SKILL.md has 594 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~19
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from Prismer-AI/PrismerCloud at commit 0d240dd, republished under its MIT licence (© Prismer-AI). 594 words, ~1,119 tokens.

Download SKILL.mdSave it as .claude/skills/prismer-obsidian/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.
name
prismer-obsidian
description
Read, search, create, and edit notes in the Obsidian vault.
scope
common
category
note-taking
version
1.0.0
author
Teknium (teknium1), Hermes Agent
license
MIT
platforms
linux, macos, windows
metadata.nativeReplaces
obsidian
metadata.requiresExplicitGrant
true

Obsidian Vault

Use this skill for filesystem-first Obsidian vault work: reading notes, listing notes, searching note files, creating notes, appending content, and adding wikilinks.

Vault path

Use a known or resolved vault path before calling file tools.

Require an explicitly configured OBSIDIAN_VAULT_PATH or a vault path supplied by the user. If absent, report missing configuration; do not create or write to a fallback vault.

File tools do not expand shell variables. Do not pass paths containing $OBSIDIAN_VAULT_PATH to read_file, write_file, patch, or search_files; resolve the vault path first and pass a concrete absolute path. Vault paths may contain spaces, which is another reason to prefer file tools over shell commands.

If the vault path is unknown, terminal is acceptable for resolving OBSIDIAN_VAULT_PATH or validating the user-supplied path. Once the path is known, switch back to file tools.

Read a note

Use read_file with the resolved absolute path to the note. Prefer this over cat because it provides line numbers and pagination.

List notes

Use search_files with target: "files" and the resolved vault path. Prefer this over find or ls.

  • To list all markdown notes, use pattern: "*.md" under the vault path.
  • To list a subfolder, search under that subfolder's absolute path.

Use search_files for both filename and content searches. Prefer this over grep, find, or ls.

  • For filenames, use search_files with target: "files" and a filename pattern.
  • For note contents, use search_files with target: "content", the content regex as pattern, and file_glob: "*.md" when you want to restrict matches to markdown notes.

Create a note

Use scripts/write_note.py with an explicitly authorized vault, relative Markdown path, expected revision and content on stdin. This applies the path, lock, revision and atomic-write checks; do not bypass them with direct writes.

Append to a note

Prefer a native file-tool workflow when it is not awkward:

  • Read the target note with read_file.
  • Use patch for an anchored append when there is stable context, such as adding a section after an existing heading or appending before a known trailing block.
  • For a whole-note rewrite, retain the read hash and use the same guarded write helper; do not silently overwrite a changed note.

For an anchored append with patch, replace the anchor with the anchor plus the new content.

For a simple append with no stable context, terminal is acceptable if it is the clearest safe option.

Show full SKILL.md (203 more words)Show less

Targeted edits

Use patch for focused note changes when the current content gives you stable context. Prefer this over shell text rewriting.

Obsidian links notes with [[Note Name]] syntax. When creating notes, use these to link related content.

File ownership and concurrent editing

Resolve the vault and target real paths, including every existing symlink, and require the target to remain inside the authorized vault. Do not follow links into other mounts/tenants. Read the current file and retain its hash before editing; recheck immediately before an atomic same-directory replacement and fail on concurrent modification. Prefer the bundled guarded helper for writes. Preserve frontmatter, wikilinks, backlinks and encoding. Obsidian GUI or an API key is not required for local Markdown; this is not a replacement for Prismer memory.

Guarded write command

From this skill directory: python3 scripts/write_note.py --vault /absolute/authorized/vault --path folder/note.md --expected-sha256 <hash-or-missing>, with proposed UTF-8 Markdown on stdin. Parent folders must already exist. The helper uses POSIX no-follow directory handles, cooperative locking, a pre-replace revision check and atomic replacement; on Windows use a host-native equivalent with the same checks rather than bypassing them. Pause/synchronize non-cooperating external editors before replacement: no file-based hash check can guarantee CAS against an editor that ignores the lock.

© Prismer-AI, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 5 other files (scripts) in sdk/cloud/catalog/skills/prismer-obsidian of Prismer-AI/PrismerCloud.

  • SKILL.md
  • LICENSE
  • LICENSE.hermes
  • PROVENANCE.md
  • provenance/category-DESCRIPTION.md
  • scripts/write_note.py

Open the folder on GitHubat commit 0d240dd

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in Prismer-AI/PrismerCloud, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Prismer Obsidian next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Prismer Obsidian compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Prismer Obsidian this skillPrismer-AI/PrismerCloud1.6k2 repos~1.1kAutomated safety check: PassMIT
Obsidian CLIAtmosphere/atmosphere3.8k13 repos~795Automated safety check: PassApache-2.0
Obsidian Canvas BoardsAgriciDaniel/claude-obsidian15k—~1.4kAutomated safety check: PassMIT
LLM Wikilewislulu/llm-wiki-skill655—~3.7kAutomated safety check: PassNone
Second BrainNicholasSpisak/second-brain737—~1.5kAutomated safety check: NotesNone
Codex History IngestAr9av/obsidian-wiki3.5k—~2.2kAutomated safety check: NotesMIT

Similar skills

  • Obsidian CLI

    Atmosphere/atmosphere

    Interact with Obsidian vaults using the Obsidian CLI to read, create, search, and manage notes, tasks, properties, and more.

    3.8k GitHub starsUsed in 13 repos~795 tokens
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  • Obsidian Canvas Boards

    AgriciDaniel/claude-obsidian

    Creates, inspects and updates Obsidian JSON Canvas boards in a vault, with text, file, link, group and edge nodes, using safe recoverable edits.

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  • LLM Wiki

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    655 GitHub stars~3.7k tokensUpdated 5 mo ago
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  • Second Brain

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    737 GitHub stars~1.5k tokensUpdated 6 mo ago
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  • Codex History Ingest

    Ar9av/obsidian-wiki

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    3.5k GitHub stars~2.2k tokensUpdated yesterday
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  • Prismer Image Generation

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  • Prismer Role Builder

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Works with

Categories

Questions about Prismer Obsidian

What does Prismer Obsidian do?

Read, search, create, and edit notes in the Obsidian vault. An agent skill from Prismer-AI/PrismerCloud. Prismer Obsidian is an agent skill from Prismer-AI/PrismerCloud. Read, search, create, and edit notes in the Obsidian vault.

When should I use Prismer Obsidian?

Prismer Obsidian fits situations like: knowledge Management work in your project.

How do I install Prismer Obsidian in Claude Code?

Run `npx skills add Prismer-AI/PrismerCloud --skill prismer-obsidian -a claude-code`. Or copy the skill folder (sdk/cloud/catalog/skills/prismer-obsidian in Prismer-AI/PrismerCloud) into .claude/skills/prismer-obsidian in your project. Claude Code loads it when a task matches its description.

How do I install Prismer Obsidian in Codex?

Run `npx skills add Prismer-AI/PrismerCloud --skill prismer-obsidian -a codex`. Or copy the skill folder (sdk/cloud/catalog/skills/prismer-obsidian in Prismer-AI/PrismerCloud) into .agents/skills/prismer-obsidian in your project. Codex loads it when a task matches its description.

Can I use Prismer Obsidian in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Prismer-AI/PrismerCloud --skill prismer-obsidian -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/prismer-obsidian, .gemini/skills/prismer-obsidian, .github/skills/prismer-obsidian and .opencode/skills/prismer-obsidian in your project.

What does Prismer Obsidian need to run?

Going by SKILL.md and its folder, Prismer Obsidian needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: Python 3.

Does Prismer Obsidian access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Prismer Obsidian safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Prismer Obsidian use?

Prismer Obsidian is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Prismer Obsidian use?

About 1.1k tokens (SKILL.md is roughly 4.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Prismer Obsidian?

Skills that share tags, products or a category with Prismer Obsidian: Obsidian CLI (Atmosphere/atmosphere, 3.8k stars), Obsidian Canvas Boards (AgriciDaniel/claude-obsidian, 15k stars), LLM Wiki (lewislulu/llm-wiki-skill, 655 stars) and Second Brain (NicholasSpisak/second-brain, 737 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Prismer Obsidian?

Prismer-AI (a GitHub organization) maintains it in Prismer-AI/PrismerCloud, which has 1,555 GitHub stars. The repository holds 88 skills in this directory. The repository was last updated on October 11, 2026.

Source: Prismer-AI/PrismerCloud on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.