n8n Binary Data Handling
czlonkowski/n8n-skills
Explains how n8n keeps file bytes in $binary apart from structured $json data, and how to read, write and preserve binary across nodes, agent tools and chat.
Set up channel verification for phone, Telegram, Slack, Discord, or email channels via outbound verification flow
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setup --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/guardian-verify-setup .claude/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .claude/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setupType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setup --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/guardian-verify-setup .agents/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .agents/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setup --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/guardian-verify-setup .cursor/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .cursor/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/vellum-ai/vellum-assistant.git --path skills/guardian-verify-setup--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setup --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/guardian-verify-setup .gemini/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .gemini/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setupInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/guardian-verify-setup .github/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .github/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install vellum-ai/vellum-assistant guardian-verify-setup --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/vellum-ai/vellum-assistant.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/guardian-verify-setup .opencode/skills/guardian-verify-setup && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "guardian-verify-setup" agent skill from https://github.com/vellum-ai/vellum-assistant/tree/main/skills/guardian-verify-setup into .opencode/skills/guardian-verify-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "guardian-verify-setup", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
guardian-verify-setupSet up channel verification for phone, Telegram, Slack, Discord, or email channels via outbound verification flow
Guardian Verify Setup is an agent skill from vellum-ai/vellum-assistant. Set up channel verification for phone, Telegram, Slack, Discord, or email channels via outbound verification flow
Its SKILL.md is about 6.7k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Designed for Vellum personal assistants
It works with Slack, Discord and Telegram. The repository describes itself as: An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets better over time. The licence is MIT.
7 steps, taken from the step headings in SKILL.md.
Read from SKILL.md and the folder at commit 33cc983. It shows what the files ask for, not the result of running them.
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Designed for Vellum personal assistants
From compatibility in the SKILL.md frontmatter.
Guardian Verify Setup loads about 6.7k tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 3,351 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from vellum-ai/vellum-assistant at commit 33cc983, republished under its MIT licence (© vellum-ai). 3,351 words, ~6,729 tokens.
.claude/skills/guardian-verify-setup/SKILL.md (or your agent's skills folder).You are helping your user set up channel verification for a messaging channel (phone, Telegram, Slack, Discord, or email). This links their identity for verified message delivery on the chosen channel. Use the assistant channel-verification-sessions CLI for all verification operations.
Load this skill when:
slack-app-setup invokes this skill at the end of Slack setup so the user can prove ownership of the configured workspace).Do not load this skill for:
bash.Ask the user which channel they want to verify:
Skip the prompt and proceed directly with the named channel when:
slack-app-setup finishes configuring Slack then loads this skill — slack is already the channel; do not re-prompt the user for which channel after they just spent the prior steps configuring one).⚠️ CRITICAL — point of action: Do not re-prompt for channel when it is already determined. Re-prompting after a parent skill has just configured a channel makes the user feel like the assistant forgot the previous five minutes of setup.
Based on the chosen channel, ask for the required destination:
Phone: Ask for their phone number. Accept any common format (e.g. +15551234567, (555) 123-4567, 555-123-4567). The API normalizes it to E.164.
Email: Ask for their email address. The bot will send a verification code to that address.
Telegram: Ask for their Telegram chat ID (numeric) or @handle. Explain:
Slack: Offer to look up the user's Slack member ID automatically to reduce friction:
Auto-lookup (preferred): Ask the user for their Slack display name or @handle, then look up their member ID using the Slack API.
Set USER_QUERY to whatever the user gave you (display name, @handle, or full name — the search matches against all of them). For example, if the user says "find me, I'm @alice", set USER_QUERY="alice". If they say "Alice Example", set USER_QUERY="Alice Example". Do not leave USER_QUERY as a literal <...> placeholder string.
USER_QUERY="alice" # ← replace with the actual value the user provided
USER_QUERY="${USER_QUERY#@}" # strip leading @ — Slack .name fields have no @ prefix
# Search for matching users (paginate through all workspace members).
# The request door sends the bot token from inside the assistant; never
# reveal it into a variable or a curl line, where it would land in the
# transcript and the tool log. The door exits non-zero when the bot is
# not configured, when the call is refused, and when Slack answers with
# ok:false, so one branch covers every failure.
CURSOR=""
MATCHES="[]"
while true; do
RESPONSE=$(assistant channels request slack "/users.list?limit=200${CURSOR:+&cursor=$CURSOR}") || {
echo "ERROR: the Slack lookup failed; fall back to manual entry"
exit 1
}
PAGE_MATCHES=$(echo "$RESPONSE" | jq --arg q "$USER_QUERY" '[.members[] | select(.deleted == false) | select(.profile.display_name == $q or .name == $q or .profile.display_name_normalized == $q or .real_name == $q) | {id: .id, name: .name, display_name: .profile.display_name, real_name: .real_name}]')
MATCHES=$(echo "$MATCHES $PAGE_MATCHES" | jq -s 'add')
CURSOR=$(echo "$RESPONSE" | jq -r '.response_metadata.next_cursor // empty')
[ -z "$CURSOR" ] && break
done
echo "$MATCHES" | jq '.[]'⚠️ CRITICAL — point of action: Substitute USER_QUERY with the actual user-provided value before running the bash block. A literal USER_QUERY="<query>" or USER_QUERY="<name>" matches nothing and burns a users.list cycle.
Result handling:
id value as the destination for Step 3.id as the destination.Fallback to manual entry if any of the following occur:
users.list with an error such as missing_scope (the door prints the reason)For manual entry: ask for their Slack user ID. Explain that this is their Slack member ID (e.g. U01ABCDEF), not their display name or email. They can find it in their Slack profile under "More" > "Copy member ID".
The bot will send a verification code via Slack DM once the member ID is resolved.
Discord: Ask for their Discord user ID, a numeric snowflake such as 900000000000000001. To find it: User Settings > Advanced > Developer Mode, then right-click their own name in any channel or the member list and choose Copy User ID. A username or @handle will not work.
The bot DMs the code to that user. Discord only permits that DM when the bot and the user share a server, so complete the invite step of discord-app-setup first, and note that a user who has turned off direct messages from server members cannot receive it.
Execute the outbound start request:
assistant channel-verification-sessions create --channel <channel> --destination "<destination>" --jsonReplace <channel> with phone, telegram, slack, discord, or email, and <destination> with the phone number, Telegram destination, Slack user ID, Discord user ID, or email address.
success: true)Report the exact next action based on the channel:
secret field with the verification code. Tell the user the code BEFORE the call connects: "I'm calling [number] now. Your verification code is [secret]. When you answer the call, enter this code using your phone's keypad." The create command already initiates the voice call. Do NOT place a separate call_start call. After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).telegramBootstrapUrl in response): The response includes a secret field. Show it in the current chat: "Your verification code is [secret]. I've also sent it to your Telegram. Open the Telegram bot chat and reply with that 6-digit code to complete verification." If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3 or resend (Step 4).telegramBootstrapUrl present in response): "Tap this deep-link first: [telegramBootstrapUrl]. After Telegram binds your identity, I'll send your verification code."secret field with the verification code. Show it in the current chat: "Your verification code is [secret]. I've also sent it to you as a Slack DM. Open the DM from the Vellum bot in Slack and reply with that 6-digit code to complete verification." The DM channel ID is captured automatically during this process for future message delivery. If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3 or resend (Step 4). After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).secret field with the verification code. Show it in the current chat: "Your verification code is [secret]. I've also sent it to you as a Discord DM. Open the DM from the bot and send that 6-digit code in this DM to complete verification. Any plain message containing the code works; Discord's reply feature is not required." If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3 or resend (Step 4). After delivering the code, begin the auto-check polling loop (see Auto-Check Polling below). The DM send is fire-and-forget, so a closed-DM or not-in-a-shared-server failure shows up as the poll timing out rather than as an error here.secret field with the verification code. Show it in the current chat: "Your verification code is [secret]. I've also sent it to your email. Reply to the verification email with only the 6-digit code to complete verification." If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3 or resend (Step 4). After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).After reporting the bootstrap URL for Telegram handle flows, wait for the user to confirm they clicked the link. Then check verification status (Step 6) to see if the bootstrap completed and a code was sent.
success: false)Handle each error code:
| Error code | Action |
|---|---|
missing_destination | Ask the user to provide their phone number, Telegram destination, Slack user ID, or Discord user ID. |
invalid_destination | Tell the user the format is invalid. For phone: suggest E.164 format (+15551234567). For Telegram: explain that group chat IDs (negative numbers) are not supported. For Slack: explain that the value must be a Slack member ID (e.g. U01ABCDEF). For Discord: explain that the value must be a numeric user snowflake, not a username. For email: suggest a valid email address. |
already_bound | Tell the user a verified identity is already bound for this channel, and ask whether they want to verify that same identity again or replace it. Same identity, or a new phone number: re-run create with --rebind. A different identity on any other channel: revoke the current one first (Step 7), confirm bound: false, then run create again without --rebind. |
rate_limited | Tell the user they have sent too many verification attempts to this destination. Ask them to wait and try again later. |
unsupported_channel | Tell the user the channel is not supported. Valid channels are phone, telegram, slack, discord, and email. |
no_bot_username | Telegram bot is not configured. Load and run the telegram-setup skill first. |
If the user says they did not receive the code or asks to resend:
assistant channel-verification-sessions resend --channel <channel> --jsonOn success, report the next action based on the channel:
secret field with a new verification code. Tell the user the new code BEFORE the call connects - just like the initial start flow: "I'm calling [number] again. Your new verification code is [secret]. When you answer the call, enter this code using your phone's keypad." The resend command already initiates the voice call. Do NOT place a separate call_start call. After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).secret field. Show the new code in the current chat: "Your new verification code is [secret]. I've also sent it to your Telegram. Open the Telegram bot chat and reply with that 6-digit code to complete verification." If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3.secret field. Show the new code in the current chat: "Your new verification code is [secret]. I've also sent it to you as a Slack DM. Reply to the DM with that 6-digit code to complete verification. (resent)" If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3. After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).secret field. Show the new code in the current chat: "Your new verification code is [secret]. I've also sent it to you as a Discord DM. Open the DM from the bot and send that 6-digit code in this DM to complete verification. Any plain message containing the code works. (resent)" If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3. After delivering the code, begin the auto-check polling loop (see Auto-Check Polling below).secret field. Show the new code in the current chat: "Your new verification code is [secret]. I've also sent it to your email. Reply to the verification email with only the 6-digit code to complete verification. (resent)" If the response does not contain a secret field, treat this as a control-plane error: tell the user something went wrong and ask them to retry from Step 3. After delivering the code, immediately begin the auto-check polling loop (see Auto-Check Polling below).Handle each error code from the resend endpoint:
| Error code | Action |
|---|---|
rate_limited | Tell the user to wait before trying again (the cooldown is 15 seconds between resends). |
max_sends_exceeded | Tell the user they have reached the maximum number of resends for this session (5 sends per session). Suggest canceling the current session (Step 5) and starting a new verification from Step 3. |
no_destination | This should not normally occur during resend. Tell the user to cancel (Step 5) and restart verification from scratch at Step 3. |
pending_bootstrap | Remind the user to click the Telegram deep-link first before a code can be sent. |
no_active_session | No session is active. Start a new one from Step 3. |
If the user wants to cancel the verification:
assistant channel-verification-sessions cancel --channel <channel> --jsonConfirm cancellation to the user. On no_active_session, tell them there is nothing to cancel.
After delivering the code (in Step 3 or Step 4), do NOT wait for the user to report back. Poll for completion so they get confirmation without having to ask "did it work?"
Applies to phone, Slack, Discord, and email. Never Telegram -- Telegram confirms through its own bot-driven flow, so polling it reports nothing useful.
Each channel differs only in timing and in the sentence you send on success:
| Channel | Poll every | Give up after | Success message |
|---|---|---|---|
| phone | 15s | 2 minutes (~8 polls) | "Voice verification complete! Your phone number is now verified." |
| slack | 15s | 2 minutes (~8 polls) | "Slack verification complete! Your Slack account is now verified. The DM channel has been captured for future message delivery." |
| discord | 15s | 2 minutes (~8 polls) | "Discord verification complete! Your Discord account is now verified." |
| 20s | 3 minutes (~9 polls) | "Email verification complete! Your email address is now verified." |
Email is slower than chat, which is why it waits longer before giving up.
Polling procedure:
CHANNEL in the same block as the command:CHANNEL="" # ← MUST set to one of: phone, slack, discord, email
if [ -z "$CHANNEL" ]; then echo "ERROR: CHANNEL not set"; exit 1; fi
assistant channel-verification-sessions status --channel "$CHANNEL" --jsonbound: true (subject to the rebind guard below): immediately send that channel's success message in the current chat and stop polling.A timeout is also how a silent delivery failure surfaces. Code delivery is fire-and-forget, so a Discord user with DMs closed, or a Slack DM that could not be opened, produces a clean create response and then no arrival. Offer resend rather than asserting the code was received.
Rebind guard:
This applies only when the session was created with --rebind: the identity already linked on the channel verifying again, or a new phone number replacing the linked one. The existing link reports bound: true the whole time, so bound: true alone would report success before the user has entered the new code. For a rebind session:
bound: true AND verificationSessionId is absent from the status response. The field is present while the verification session is still pending, and disappears once the user's code is redeemed.bound: true but verificationSessionId is still present, the new code has not been redeemed yet - continue polling.bound: false, so the first bound: true is the new link.Important polling rules:
After the user reports entering the code, verify the binding was created. Set CHANNEL to the channel currently being verified before running:
CHANNEL="" # ← MUST set to one of: phone, telegram, slack, discord, email
if [ -z "$CHANNEL" ]; then echo "ERROR: CHANNEL not set"; exit 1; fi
assistant channel-verification-sessions status --channel "$CHANNEL" --json⚠️ CRITICAL — point of action: CHANNEL must be set to the channel currently being verified (phone, telegram, slack, discord, or email) before running. The empty-string guard ensures a missed substitution fails safely rather than operating on the wrong channel.
If the response shows the channel is bound, confirm success: "Verification complete! Your [channel] identity is now verified."
If not yet bound, offer to resend (Step 4) or generate a new session (Step 3).
If the user wants to remove themselves (or the current verified identity) from a channel, use the revoke endpoint. Set CHANNEL to the channel to unbind from before running:
CHANNEL="" # ← MUST set to one of: phone, telegram, slack, discord, email
if [ -z "$CHANNEL" ]; then echo "ERROR: CHANNEL not set"; exit 1; fi
assistant channel-verification-sessions revoke --channel "$CHANNEL" --json⚠️ CRITICAL — point of action: CHANNEL must be set to the channel to unbind (phone, telegram, slack, discord, or email) before running. The empty-string guard ensures a missed substitution fails safely rather than accidentally revoking the wrong channel.
success: true)The response includes bound: false after the operation completes. Check the previous binding state to tailor the message:
bound: false and there was nothing to revoke): "There is no active verification for [channel] - nothing to revoke. Any pending verification challenges have been cleared."secret guardrail: Every flow returns a secret except Telegram's handle bootstrap, which returns a deep link first and sends the code once the user taps it. If secret is unexpectedly absent from a start or resend response that otherwise indicates success, treat this as a control-plane error. Do NOT fabricate a code or tell the user to proceed without one. Instead, tell the user something went wrong and ask them to retry the start (Step 3) or resend (Step 4).© vellum-ai, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in skills/guardian-verify-setup of vellum-ai/vellum-assistant.
Open the folder on GitHubat commit 33cc983
Guardian Verify Setup next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Guardian Verify Setup this skillvellum-ai/vellum-assistant | 1.4k | — | ~6.7k | Automated safety check: Pass | MIT | |
| n8n Binary Data Handlingczlonkowski/n8n-skills | 6.4k | — | ~3.9k | Automated safety check: Pass | MIT | |
| OpenClaw to NanoClaw Migrationnanocoai/nanoclaw | 31k | — | ~6k | Automated safety check: Notes | MIT | |
| Chat SDKdatabuddy-analytics/Databuddy | 1.2k | — | ~2.6k | Automated safety check: Pass | AGPL-3.0 | |
| Traul Message Searchdandaka/traul | 112 | — | ~3.9k | Automated safety check: Notes | AGPL-3.0 | |
| Add Channel Connect Buttonnovuhq/novu | 40k | — | ~1.6k | Automated safety check: Pass | Custom licence |
czlonkowski/n8n-skills
Explains how n8n keeps file bytes in $binary apart from structured $json data, and how to read, write and preserve binary across nodes, agent tools and chat.
nanocoai/nanoclaw
Guides a conversational migration from an OpenClaw install to NanoClaw v2, carrying over identity, channel credentials, scheduled tasks and workspace files.
databuddy-analytics/Databuddy
Build multi-platform chat bots with Chat SDK (chat npm package).
dandaka/traul
Drives the traul CLI to sync, search and monitor messages from Slack, Telegram, Discord, Linear, Gmail, WhatsApp, Claude Code sessions and Markdown files.
novuhq/novu
Build a new channel Connect button (e.g. An agent skill from novuhq/novu.
letta-ai/lettabot
Set up and run LettaBot - a multi-channel AI assistant for Telegram, Slack, Discord, WhatsApp, and Signal.
vellum-ai/vellum-assistant
Create and configure a GitHub App so the assistant can push commits, open PRs, and comment under its own bot identity.
vellum-ai/vellum-assistant
Connect a Discord bot to the assistant via the Discord Gateway with guided application creation and intent configuration
vellum-ai/vellum-assistant
Create and configure a Sentry internal integration so the assistant can manage issues, alerts, and releases under its own identity
vellum-ai/vellum-assistant
Ingest a large dataset into memory as a skimmed map. An agent skill from vellum-ai/vellum-assistant.
vellum-ai/vellum-assistant
A skill your agent uses when the user wants to build, scaffold, ship, or edit a Vellum plugin that bundles multiple surfaces (hooks, tools, skills, and more) into one installable package.
vellum-ai/vellum-assistant
Connect a Slack app to the Vellum Assistant via Socket Mode.
Set up channel verification for phone, Telegram, Slack, Discord, or email channels via outbound verification flow. Guardian Verify Setup is an agent skill from vellum-ai/vellum-assistant.
Run `npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a claude-code`. Or copy the skill folder (skills/guardian-verify-setup in vellum-ai/vellum-assistant) into .claude/skills/guardian-verify-setup in your project. Claude Code loads it when a task matches its description.
Run `npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a codex`. Or copy the skill folder (skills/guardian-verify-setup in vellum-ai/vellum-assistant) into .agents/skills/guardian-verify-setup in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add vellum-ai/vellum-assistant --skill guardian-verify-setup -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/guardian-verify-setup, .gemini/skills/guardian-verify-setup, .github/skills/guardian-verify-setup and .opencode/skills/guardian-verify-setup in your project.
SKILL.md names no scripts, command-line tools or credentials: Guardian Verify Setup is instructions for the agent only. Compatibility (from SKILL.md): Designed for Vellum personal assistants.
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
Guardian Verify Setup is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 6.7k tokens (SKILL.md is roughly 27k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Guardian Verify Setup: n8n Binary Data Handling (czlonkowski/n8n-skills, 6.4k stars), OpenClaw to NanoClaw Migration (nanocoai/nanoclaw, 31k stars), Chat SDK (databuddy-analytics/Databuddy, 1.2k stars) and Traul Message Search (dandaka/traul, 112 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
vellum-ai (a GitHub organization) maintains it in vellum-ai/vellum-assistant, which has 1,408 GitHub stars. The repository holds 108 skills in this directory. The repository was last updated on October 9, 2026.
Source: vellum-ai/vellum-assistant on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.