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Add Matrix Channel (NanoClaw)

Copies, registers, and configures the Matrix channel adapter in a NanoClaw project, including bot-account credentials.

Dev & CodingIntermediate★ 30,520⑂ 12,857AI score 7/10Last updated: Aug 16, 2026

What it does

  • Pulls the Matrix adapter (src/channels/matrix.ts plus its registration test) from the channels branch into your project.
  • Appends the single self-registration import to src/channels/index.ts and installs @beeper/chat-adapter-matrix at an exact pinned version.
  • Patches the missing .js extensions in matrix-js-sdk/lib/... imports that break Node 22 strict ESM, then verifies with pnpm run build and a vitest registration test.
  • Walks you through creating a dedicated Matrix bot account and writes env vars for either password or access-token auth.
  • Every directive is idempotent, so the whole flow is safe to re-run after a failure or reinstall.

Who it's for

  • Self-hosters running NanoClaw who want to talk to their agent over Matrix/Element or a private homeserver.
  • Engineers on pnpm/TypeScript repos who repeatedly wire chat channel adapters.
  • Anyone who wants Matrix specifics (E2EE recovery key, invite auto-join allowlist, room IDs vs. aliases) handled by a checklist.

Examples

  1. During /setup, pick Matrix — the skill copies the adapter, pins the dep, patches ESM, builds, and runs the registration test.
  2. Build breaks with ERR_MODULE_NOT_FOUND matrix-js-sdk/lib/... after a pnpm install — just re-run step 4's patch.
  3. Bot never joins your room — follow the troubleshooting entry to check MATRIX_INVITE_AUTOJOIN_ALLOWLIST against your user ID.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/nanocoai/nanoclaw/HEAD/.claude/skills/add-matrix/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the .claude/skills/add-matrix folder from the GitHub repo nanocoai/nanoclaw into my ~/.claude/skills/add-matrix/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/nanocoai/nanoclaw.git && mkdir -p ~/.claude/skills && cp -r nanoclaw/.claude/skills/add-matrix ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal in your working directory.
  2. Clone the repo: git clone https://github.com/nanocoai/nanoclaw.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r nanoclaw/.claude/skills/add-matrix ~/.claude/skills/
  5. The skill only makes sense inside the NanoClaw project, so run cd nanoclaw && pnpm install.
  6. Start Claude Code from the nanoclaw directory and ask it to "add the Matrix channel" to trigger the skill.
  7. Beforehand, register a dedicated bot account at app.element.io — Matrix can't DM your own account — so the credential steps go smoothly.
View source on GitHub ↗License: MIT