# ctx-open

> Use this tool when you need to preserve and manage the working memory of AI agents, allowing them to continue tasks from where they left off instead of restarting from scratch. The ctx-open tool solves problems of knowledge retention and workflow continuity, accepting inputs such as goals, tasks, and evidence, and producing outputs like preserved conclusions and runbooks. It is particularly useful in contexts where AI agents need to build upon previous work or maintain a record of decisions and origins.

Canonical page: https://skillsregistry.net/skills/diegoxtr-ctx-open  
JSON: https://api.skillsregistry.net/v1/skills/diegoxtr-ctx-open

## Description

CTX is the standard Cognitive Version Control System for AI. Structured working memory for AI agents. CTX preserves goals, tasks, evidence, decisions, conclusions, runbooks, and origins so agents can continue work instead of restarting from scratch.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** version-control
- **Updated:** 2026-09-02

## Source

- **Source listing:** [GitHub](https://github.com/diegoxtr/ctx-open)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "diegoxtr-ctx-open"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/diegoxtr-ctx-open` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/diegoxtr-ctx-open/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt