nanoclaw-fleet: Skill for Claude Code

.claude/skills/add-resend/SKILL.md

add-resend is a skill for Claude Code from thmtz/nanoclaw-fleet. It costs 16 tokens per session (666 once invoked), scanned A, a copy of add-resend, MIT.

An add-on that connects NanoClaw to email through Resend, an email-sending service, using the Chat SDK.

In plain words
What is it for?
Use it to add a Resend email channel, connect a verified sending domain, configure an API key and webhook, and build the project.
Why use it?
It lets NanoClaw handle asynchronous conversations by email, even though email support is not included in its main codebase.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is thmtz/nanoclaw-fleet's own configuration. It tells Claude Code how to work on nanoclaw-fleet itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything nanoclaw-fleet configures →

Reuse

Borrowing it

Nothing to install: this file belongs to thmtz/nanoclaw-fleet. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/thmtz/nanoclaw-fleet/main/.claude/skills/add-resend/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/thmtz/nanoclaw-fleet

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Your own site · 80×15
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Per session 16 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 666 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00016 $0.00666
Opus 5 $0.00008 $0.00333
Sonnet 5 $0.00003 $0.00133
Haiku 4.5 $0.00002 $0.00067

Measured 10d ago against content hash ef324143df2b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

add-resend scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to add-resend — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/add-resend/SKILL.md · 94 lines

How it starts

The opening of the file, as written. The whole thing — 94 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Add Resend Email Channel

Connect NanoClaw to email via Resend for async email conversations.

Install

NanoClaw doesn't ship channels in trunk. This skill copies the Resend adapter in from the channels branch.

Pre-flight (idempotent)

Skip to Credentials if all of these are already in place:

  • src/channels/resend.ts exists
  • src/channels/index.ts contains import './resend.js';
  • @resend/chat-sdk-adapter is listed in package.json dependencies

Otherwise continue. Every step below is safe to re-run.

1. Fetch the channels branch

git fetch origin channels

2. Copy the adapter

git show origin/channels:src/channels/resend.ts > src/channels/resend.ts

3. Append the self-registration import

Append to src/channels/index.ts (skip if the line is already present):

import './resend.js';

4. Install the adapter package (pinned)

pnpm install @resend/[email protected]

5. Build

pnpm run build

Credentials

  1. Go to resend.com and create an account.
  2. Add and verify your sending domain.
  3. Go to API Keys and create a new key.
  4. Set up a webhook:
    • Go to Webhooks > Add webhook.
    • URL: https://your-domain/webhook/resend.
    • Events: select email.received.
    • Copy the signing secret.

Configure environment

Add to .env:

RESEND_API_KEY=re_...
[email protected]
RESEND_FROM_NAME=NanoClaw
RESEND_WEBHOOK_SECRET=your-webhook-secret

Sync to container: mkdir -p data/env && cp .env data/env/env

Next Steps

If you're in the middle of /setup, return to the setup flow now.

Otherwise, run /manage-channels to wire this channel to an agent group.

Channel Info

  • type: resend
  • terminology: Resend handles email. Each email thread (identified by subject/In-Reply-To headers) is a separate conversation. The "from address" is the bot's identity.
  • how-to-find-id: The platform ID is the from email address (e.g. [email protected]). Each sender's email thread becomes its own conversation.
  • supports-threads: yes (via email threading headers -- replies to the same thread stay together)
  • typical-use: Async communication -- email conversations with longer response expectations
  • default-isolation: Same agent group if you want your agent to handle email alongside other channels. Separate agent group if email contains sensitive correspondence that shouldn't be accessible from other channels.

Read the full file on GitHub · 94 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 94 lines · 16 tokens per session scan A ef324143df2b

Subscribe to this mod's changes

add-resend is a skill published in the GitHub repository thmtz/nanoclaw-fleet (5 stars, last pushed 4mo ago), licensed MIT. It adds 16 tokens to every session and 666 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to add-resend, differing in 0 lines, and is treated as a copy.

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