cortex-navigate-knowledge SKILL.md skillA
cortex-navigate-knowledge from cdeust/cortex is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add cdeust/cortex/cortex-navigate-knowledge@git:20260327.890ae58Pins git:20260327.890ae58 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- cdeust/cortex
- Path
skills/cortex-navigate-knowledge/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260327.890ae58, committed Mar 27, 2026
- Size
- 3,584 bytes
- Repository stars
- 76
- License
- MIT
Navigate the knowledge graph — trace entity relationships, explore causal chains, drill into memory clusters, and traverse co-access paths. Use when the user asks 'how are these related', 'what connects X to Y', 'show me the knowledge graph', 'trace the relationship', 'what caused X', 'drill down into', 'explore connections', or when you need to understand the web of relationships between concepts, entities, and memories.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Navigate Knowledge — Graph Exploration and Causal Chains
## Keywords
knowledge graph, relationships, connections, causal chain, how are these related, what connects, drill down, explore, navigate, entity graph, trace, cause and effect, related to, linked to, co-access, cluster
## Overview
Cortex maintains a knowledge graph of entities (people, technologies, concepts, files) and their relationships extracted from memories. This skill lets you traverse that graph — follow causal chains, explore co-access patterns, drill into fractal memory clusters, and understand how different pieces of knowledge connect.
**Use this skill when:** You need to understand relationships between concepts, trace cause-and-effect chains, or explore a topic area systematically.
## Workflow
### Step 1: Trace Causal Chains
Follow entity relationships through the knowledge graph:
```
cortex:get_causal_chain({
"entity": "PostgreSQL",
"direction": "both",
"max_depth": 3
})
```
Returns a chain of entities connected by typed relationships (causes, uses, depends_on, related_to, etc.). Direction can be `"forward"` (effects), `"backward"` (causes), or `"both"`.
### Step 2: Navigate Co-Access Paths
…Read the whole file at its exact version.
How to install
mdr add cdeust/cortex/cortex-navigate-knowledge@sha256:5b78d8c621535a6cThe line at the top of this page pins the label git:20260327.890ae58, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_x3jm4yoqgoyz2zgl)
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Versions
The registry has recorded 1 version of this file, committed on Mar 27, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3584 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
cdeust/cortex · 76 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_x3jm4yoqgoyz2zgl GET https://markdownregistry.com/api/v1/resolve?ref=cdeust/cortex/cortex-navigate-knowledge GET https://markdownregistry.com/api/v1/blob/5b78d8c621535a6c0b0912dc378bd91955b3cfec1b6c427c4d89ac2b728d20dc
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.