heapy/kortex · plugins/heapy/skills/message-claude/SKILL.md

message-claude skillA

message-claude is agent-read markdown (skill) from heapy/kortex: Send a message from an external agent or script to a running Claude Code session on the same machine. Use when a manually started Codex session needs to tell any Claude session something, Codex needs to report back to the Claude session that launched it, a hook or long job should notify Claude, or the user asks to "send this to Claude", "tell another Claude session", "notify the Claude session", or "report back to Claude". Not for messaging from inside Claude Code when ListAgents and SendMessage.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add heapy/kortex/message-claude@git:20260825.a3fae39
Exact content
mdr add heapy/kortex/message-claude@sha256:244c544e79c7c37d

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_l7l5w73yhipnbzjz.svg)](https://markdownregistry.com/a/art_l7l5w73yhipnbzjz)

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Versions

versioncommittedcommitsizeaudit
git:20260825.a3fae39 latest2026-08-25 a3fae39 3,272 BA view · diff
git:20260825.09fdcb92026-08-25 09fdcb9 3,144 BA view · diff
git:20260825.baa62992026-08-25 baa6299 14,805 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3272 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

GitHub

heapy/kortex · 6 stars · license Apache-2.0 · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_l7l5w73yhipnbzjz
GET https://markdownregistry.com/api/v1/resolve?ref=heapy/kortex/message-claude
GET https://markdownregistry.com/api/v1/blob/244c544e79c7c37d57adacbe509009aa547e37efd2d801b304693d58742f6650

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.