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.
Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version.
Install Idea Lineage
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install inbrainfun/inbrain idea-lineage --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/idea-lineage .claude/skills/idea-lineage && rm -rf skills-srcUse ~/.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/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .claude/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineageType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install inbrainfun/inbrain idea-lineage --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/idea-lineage .agents/skills/idea-lineage && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .agents/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install inbrainfun/inbrain idea-lineage --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/idea-lineage .cursor/skills/idea-lineage && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .cursor/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/inbrainfun/inbrain.git --path skills/idea-lineage--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install inbrainfun/inbrain idea-lineage --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/idea-lineage .gemini/skills/idea-lineage && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .gemini/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install inbrainfun/inbrain idea-lineageInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/idea-lineage .github/skills/idea-lineage && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .github/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add inbrainfun/inbrain --skill idea-lineage -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install inbrainfun/inbrain idea-lineage --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/inbrainfun/inbrain.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/idea-lineage .opencode/skills/idea-lineage && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "idea-lineage" agent skill from https://github.com/inbrainfun/inbrain/tree/main/skills/idea-lineage into .opencode/skills/idea-lineage/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-lineage", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
idea-lineage- GitHub stars
- 142
- Used in
- 1 other repo
- Token cost
- ~2.2k tokens
- SKILL.md length
- 1,016 words
- Files
- 2
- Skills in repo
- 52
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version.
- Works in 5 steps: Resolve the idea target → Gather evidence → Classify lineage moments → …
- Single-idea conceptual lineage
- SKILL.md covers What this solves, What this is not, Contract and Phases, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Idea Lineage is an agent skill from inbrainfun/inbrain. Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version. Use for single-idea conceptual lineage, not broad concept-map synthesis or structured entity metrics.
Its SKILL.md is about 2.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file.
It sits in Knowledge Management, covering Knowledge graphs.
When your agent uses it
- Single-idea conceptual lineage
- Not broad concept-map synthesis
- Structured entity metrics
Example prompts
- “/idea-lineage”
Workflow steps
5 steps, taken from the step headings in SKILL.md.
- Resolve the idea target
- Gather evidence
- Classify lineage moments
- Synthesize the lineage
- Suggest optional next action
What it can do on your machine
Read from SKILL.md and the folder at commit 5231990. 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
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).
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
Idea Lineage loads about 2.2k tokens when it runs. Until then it costs about 72 tokens; SKILL.md has 1,016 words of instructions outside code blocks.
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); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,016 words (~2,213 tokens).
“Users often want to understand how one idea changed across time: when it first appeared, when it became sharp, what it displaced, what it contradicted, and what version is alive now. That is different from building a whole concept map…”
- name
- idea-lineage
- version
- 0.1.0
- triggers
- idea lineage, trace the lineage of this idea, how my thinking about, how has my thinking about, current version of this idea, what is my current version of…
- tools
- search, query, get_page, list_pages, takes_search, find_contradictions, find_trajectory
- mutating
- false
Files
SKILL.md and 1 other file in skills/idea-lineage of inbrainfun/inbrain.
- SKILL.md
- routing-eval.jsonl
Open the folder on GitHubat commit 5231990
Used in 1 other repository
We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in inbrainfun/inbrain, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Idea Lineage 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Idea Lineage this skillinbrainfun/inbrain | 142 | 1 repos | ~2.2k | Automated safety check: Pass | Custom licence | |
| Obsidian Canvas BoardsAgriciDaniel/claude-obsidian | 15k | — | ~1.4k | Automated safety check: Pass | MIT | |
| Ontology1mancompany/OneManCompany | 441 | 2 repos | ~1.5k | Automated safety check: Pass | Apache-2.0 | |
| Knowledge Graphgnomeria/usbtree | 691 | — | ~1.5k | Automated safety check: Pass | MIT | |
| Graphagenticnotetaking/arscontexta | 3.5k | — | ~4.9k | Automated safety check: Notes | MIT | |
| LLM Wiki Knowledge GraphEgonex-AI/Understand-Anything | 86k | — | ~1.5k | Automated safety check: Pass | MIT |
Similar skills
Ontology
1mancompany/OneManCompany
Typed knowledge graph for structured agent memory and composable skills.
Knowledge Graph
gnomeria/usbtree
Set up and maintain a lightweight, file-based knowledge graph of the repo — entities, typed relations, decisions, gotchas — so agents load context fast instead of re-exploring the codebase every…
Graph
agenticnotetaking/arscontexta
Interactive knowledge graph analysis. An agent skill from agenticnotetaking/arscontexta.
LLM Wiki Knowledge Graph
Egonex-AI/Understand-Anything
Detects a Karpathy-pattern LLM wiki and builds an interactive knowledge graph with entities, implicit relationships and topic clusters.
- Official
Gitnexus Guide
aws-samples/sample-kolya-br-proxy
A skill your agent uses when the user asks about GitNexus itself — available tools, how to query the knowledge graph, MCP resources, graph schema, or workflow reference.
More from inbrainfun/inbrain
All 52 skills in this repoAcademic Verify
inbrainfun/inbrain
Verify a research claim or academic citation by tracing it through publication → methodology → raw data → independent replication.
Cold Start
inbrainfun/inbrain
Day-one data bootstrapping for a new brain. An agent skill from inbrainfun/inbrain.
Enrich
inbrainfun/inbrain
Enrich brain pages with tiered enrichment protocol. An agent skill from inbrainfun/inbrain.
Maintain
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Brain health checks: back-link enforcement, citation audit, filing validation, stale info detection, orphan pages, and benchmarks.
Schema Author
inbrainfun/inbrain
Evolve your brain's schema pack. An agent skill from inbrainfun/inbrain.
Idea Ingest
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Ingest links, articles, tweets, and ideas into the brain. An agent skill from inbrainfun/inbrain.
Related
Categories
Questions about Idea Lineage
What does Idea Lineage do?
Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version. Idea Lineage is an agent skill from inbrainfun/inbrain. Trace one idea's evolution through the brain: first mention, best articulation, related concepts, reversals, contradictions, abandoned branches, and the current live version.
When should I use Idea Lineage?
Idea Lineage fits situations like: single-idea conceptual lineage; not broad concept-map synthesis; structured entity metrics.
How do I install Idea Lineage in Claude Code?
Run `npx skills add inbrainfun/inbrain --skill idea-lineage -a claude-code`. Or copy the skill folder (skills/idea-lineage in inbrainfun/inbrain) into .claude/skills/idea-lineage in your project. Claude Code loads it when a task matches its description.
How do I install Idea Lineage in Codex?
Run `npx skills add inbrainfun/inbrain --skill idea-lineage -a codex`. Or copy the skill folder (skills/idea-lineage in inbrainfun/inbrain) into .agents/skills/idea-lineage in your project. Codex loads it when a task matches its description.
Can I use Idea Lineage 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 inbrainfun/inbrain --skill idea-lineage -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/idea-lineage, .gemini/skills/idea-lineage, .github/skills/idea-lineage and .opencode/skills/idea-lineage in your project.
What does Idea Lineage need to run?
SKILL.md names no scripts, command-line tools or credentials: Idea Lineage is instructions for the agent only.
Does Idea Lineage 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 Idea Lineage 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. Review the folder before installing.
What licence does Idea Lineage use?
Idea Lineage has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Idea Lineage use?
About 2.2k tokens (SKILL.md is roughly 8.9k 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 Idea Lineage?
Skills that share tags, products or a category with Idea Lineage: Obsidian Canvas Boards (AgriciDaniel/claude-obsidian, 15k stars), Ontology (1mancompany/OneManCompany, 441 stars), Knowledge Graph (gnomeria/usbtree, 691 stars) and Graph (agenticnotetaking/arscontexta, 3.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Idea Lineage?
inbrainfun (a GitHub user) maintains it in inbrainfun/inbrain, which has 142 GitHub stars. The repository holds 52 skills in this directory. The repository was last updated on July 17, 2026.
Source: inbrainfun/inbrain on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.