# What newsjack (Medialyst) is, and why it is not on the PR software map

URL: https://www.newsprint.com/research/pr-software/companies/newsjack-medialyst/
Updated: 2026-10-30
First published: 2026-10-30
Company: newsjack (Medialyst) (https://github.com/elvisun/newsjack)
Category: AI PR assistants and agents
Map: https://www.newsprint.com/research/pr-software/
Left off the map: https://www.newsprint.com/research/pr-software/#ex-newsjack-medialyst

> newsjack is a set of open-source agent skills for PR work, published on GitHub by Elvis Sun [1]. It is not on the PR software map. We left it off on Oct. 19, 2026, under "Not a company of its own" [2]. The map's note on it: "Open-source agent skills that Medialyst’s founder publishes. Its launches count under Medialyst." [2]

## newsjack (Medialyst) at a glance

|  | newsjack (Medialyst) |
| --- | --- |
| What it is | newsjack is a set of open-source agent skills for PR work, published on GitHub by Elvis Sun [1]. |
| Site | github.com |
| On the PR software map | No. Left off on Oct. 19, 2026 [2] |
| Why | Open-source agent skills that Medialyst’s founder publishes. Its launches count under Medialyst. [2] |
| Listed under | Not a company of its own, in the map's section on companies left off [2] |

## What newsjack (Medialyst) is

newsjack is a set of open-source agent skills for PR work, published on GitHub by Elvis Sun [1].

## Why it is not on the map

The map lists newsjack (Medialyst) under "Not a company of its own" [2]. The map's rule for that group: "It is an open-source project, and its maker is already on the map." [2]

The map's note on newsjack (Medialyst): "Open-source agent skills that Medialyst’s founder publishes. Its launches count under Medialyst." [2]

We left newsjack (Medialyst) off the map on Oct. 19, 2026. It has no row in the map's list, and it does not count toward the map's 183 companies [2].

## Where the map lists it

[Excluded from the map, and why](https://www.newsprint.com/research/pr-software/#ex-newsjack-medialyst) lists every company we checked for the map and left off, grouped by the reason, with the day [2]. The same rows are in [the data file](https://www.newsprint.com/research/pr-software/ai-pr-landscape.excluded.companies.json).

## What this page does not cover

### Not a review

This page reports what the sources below say about newsjack (Medialyst). It does not judge how well newsjack (Medialyst) works.

### Pages change

Each source gives the day we read it. newsjack (Medialyst)'s own pages may have changed since.

### Not counted on the map

newsjack (Medialyst) has no row on the PR software map, so the map's counts and charts leave it out.

## Questions people ask

### What is newsjack (Medialyst)?

newsjack is a set of open-source agent skills for PR work, published on GitHub by Elvis Sun [1].

### Why is newsjack (Medialyst) not on the PR software map?

The map lists it under "Not a company of its own". Its note on newsjack (Medialyst): "Open-source agent skills that Medialyst’s founder publishes. Its launches count under Medialyst." [2]

### When was newsjack (Medialyst) left off the map?

On Oct. 19, 2026 [2].

### Where does the map list newsjack (Medialyst)?

Under "Not a company of its own", in its section on the companies it left off [2].

## Sources

1. [elvisun/newsjack](https://github.com/elvisun/newsjack). GitHub. Read 2026-09-23.
2. [newsjack (Medialyst), in Excluded from the map, and why](https://www.newsprint.com/research/pr-software/#ex-newsjack-medialyst). Newsprint. Read 2026-10-30.

## Related

- [The PR software map](https://www.newsprint.com/research/pr-software/)
- [Why newsjack (Medialyst) is not on the PR software map](https://www.newsprint.com/research/pr-software/#ex-newsjack-medialyst)
- [Companies left off the PR software map](https://www.newsprint.com/research/pr-software/companies/#off-map)