Agent skill

Caspian Connect Email

Connect Caspian email for OpenCode: ensure credentials (sandbox or dashboard API key), write caspian.env, connect inbox, enable email in caspian.json.

Apache-2.0Auto-check: notesProductivity & Automation

Install Caspian Connect Email

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .claude/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .claude/skills/caspian-connect-email && rm -rf skills-src

Use ~/.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/

Paste into Claude Code

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .claude/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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

$skill-installer install https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email

Type 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.

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .agents/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .agents/skills/caspian-connect-email && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .agents/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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.

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .cursor/skills/caspian-connect-email && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .cursor/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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

$ gemini skills install https://github.com/TryCaspian/caspian-sdk.git --path packages/opencode/src/skills/caspian-connect-email

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .gemini/skills/caspian-connect-email && rm -rf skills-src

Use ~/.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/

Paste into Gemini CLI

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .gemini/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email

Installs 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).

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .github/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .github/skills/caspian-connect-email && rm -rf skills-src

Use ~/.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/

Paste into GitHub Copilot

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .github/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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.

skills CLI

$ npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install TryCaspian/caspian-sdk caspian-connect-email --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/TryCaspian/caspian-sdk.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/packages/opencode/src/skills/caspian-connect-email .opencode/skills/caspian-connect-email && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "caspian-connect-email" agent skill from https://github.com/TryCaspian/caspian-sdk/tree/main/packages/opencode/src/skills/caspian-connect-email into .opencode/skills/caspian-connect-email/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "caspian-connect-email", 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.

Facts

Skill name: caspian-connect-email
GitHub stars: 973
Token cost: ~566 tokens
SKILL.md length: 228 words
Files: 1
Skills in repo: 8
Repo updated: Aug 25, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Connect Caspian email for OpenCode: ensure credentials (sandbox or dashboard API key), write caspian.env, connect inbox, enable email in caspian.json.

Works in 6 steps: Call caspian_setup_credentials with… → If not configured, ask the user which… → Call caspian_connections (optional) to… → …
The user wants to link email
SKILL.md covers When to use, How and Notes
Reaches api.trycaspianai.com; needs CASPIAN_API_KEY

What it does

Caspian Connect Email is an agent skill from TryCaspian/caspian-sdk. Connect Caspian email for OpenCode: ensure credentials (sandbox or dashboard API key), write caspian.env, connect inbox, enable email in caspian.json. Use when the user wants to link email, set up the agent inbox, or runs /caspian:connect-email.

Its SKILL.md is about 570 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: opencode

It sits in Productivity & Automation, covering Email management. The repository describes itself as: Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript. The licence is Apache-2.0.

When your agent uses it

The user wants to link email
Set up the agent inbox
Runs /caspian:connect-email

Example prompts

“/caspian-connect-email”

Requirements

A credential in CASPIAN_API_KEY
Compatibility (from SKILL.md): opencode

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

Call caspian_setup_credentials with mode=status.
If not configured, ask the user which path they want (do not invent keys)
Call caspian_connections (optional) to show current links.
Call caspian_connect_email (optional displayName).
If the tool says RESTART REQUIRED, tell the user clearly
Do not invent connection ids or addresses. Report tool errors as-is.

What it can do on your machine

Read from SKILL.md and the folder at commit 718a96d. It shows what the files ask for, not the result of running them.

Tool permissions
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.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- api.trycaspianai.com
Also links to:
- dashboard.trycaspianai.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names these keys or tokens, usually read from environment variables:
- CASPIAN_API_KEY
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Compatibility
opencode
From compatibility in the SKILL.md frontmatter.

Context cost

Caspian Connect Email loads about 566 tokens when it runs. Until then it costs about 67 tokens; SKILL.md has 228 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~67
When it runs · the whole SKILL.md, loaded when a task matches: ~566

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.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

NoteMentions a .env fileSKILL.md:35

nfig/opencode/caspian.env` (and project `.env`).

NoteMentions a .env fileSKILL.md:56

- Secrets go in `caspian.env` / `.env` — **never** in `caspian.json` or chat logs

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.

SKILL.md

The full file from TryCaspian/caspian-sdk at commit 718a96d, republished under its Apache-2.0 licence (© TryCaspian). 228 words, ~566 tokens.

Download SKILL.mdSave it as .claude/skills/caspian-connect-email/SKILL.md (or your agent's skills folder).

name: caspian-connect-email
description: Connect Caspian email for OpenCode: ensure credentials (sandbox or dashboard API key), write caspian.env, connect inbox, enable email in caspian.json. Use when the user wants to link email, set up the agent inbox, or runs /caspian:connect-email.
compatibility: opencode
license: Apache-2.0
metadata.alias: caspian:ConnectEmail
metadata.channel: caspian

Caspian connect email

Get a Caspian API key (sandbox or existing dashboard key), save it to ~/.config/opencode/caspian.env, connect an email inbox, and enable email in caspian.json channels.

When to use

User asks to connect / set up Caspian email
User runs /caspian:connect-email or /caspian-connect-email
First-time OpenCode + Caspian setup

How

Call caspian_setup_credentials with mode=status.
If not configured, ask the user which path they want (do not invent keys):

A — Instant sandbox (recommended for trying Caspian)
No account. Call caspian_setup_credentials with mode=sandbox.
Writes CASPIAN_API_KEY + CASPIAN_BASE_URL=https://api.trycaspianai.com to ~/.config/opencode/caspian.env (and project .env).

B — Existing Caspian account
Tell them to sign in at https://dashboard.trycaspianai.com/login , open a project, copy the API key, then call caspian_setup_credentials with mode=paste and apiKey=<their key>.

If setup says RESTART REQUIRED, stop and tell them to quit + relaunch OpenCode, then run /caspian:connect-email again.
Call caspian_connections (optional) to show current links.
Call caspian_connect_email (optional displayName).
If the tool says RESTART REQUIRED, tell the user clearly:

Restart OpenCode (quit and relaunch) so the plugin reloads caspian.json and admit includes email.
Do not invent connection ids or addresses. Report tool errors as-is.

Notes

Secrets go in caspian.env / .env — never in caspian.json or chat logs when you can avoid it (the tool masks keys in its output).
CLI (caspian init) is optional; sandbox mint and paste cover the same APIs.
After restart, inbound email should create OpenCode sessions automatically.

Files

Just SKILL.md in packages/opencode/src/skills/caspian-connect-email of TryCaspian/caspian-sdk.

Open the folder on GitHubat commit 718a96d

Compare with similar skills

Caspian Connect Email 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.

Caspian Connect Email compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Caspian Connect Email this skillTryCaspian/caspian-sdk	973	—	~566	Automated safety check: Notes	Apache-2.0	1 mo ago
SupercompressSupercompress/Supercompress	107	—	~366	Automated safety check: Pass	MIT	today
Opsdavepoon/buildwithclaude	3.6k	—	~999	Automated safety check: Notes	MIT	yesterday
Garden Inboxpaperclipai/paperclip	99k	—	~1.1k	Automated safety check: Pass	MIT	today
Continuetelegramdesktop/tdesktop	33k	2 repos	~9.4k	Automated safety check: Pass	GPL-3.0	today
Process Inboxtelegramdesktop/tdesktop	33k	1 repos	~5.4k	Automated safety check: Pass	GPL-3.0	today

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Questions about Caspian Connect Email

What does Caspian Connect Email do?

Connect Caspian email for OpenCode: ensure credentials (sandbox or dashboard API key), write caspian.env, connect inbox, enable email in caspian.json. Caspian Connect Email is an agent skill from TryCaspian/caspian-sdk.json.

When should I use Caspian Connect Email?

Caspian Connect Email fits situations like: the user wants to link email; set up the agent inbox; runs /caspian:connect-email.

How do I install Caspian Connect Email in Claude Code?

Run `npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a claude-code`. Or copy the skill folder (packages/opencode/src/skills/caspian-connect-email in TryCaspian/caspian-sdk) into .claude/skills/caspian-connect-email in your project. Claude Code loads it when a task matches its description.

How do I install Caspian Connect Email in Codex?

Run `npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a codex`. Or copy the skill folder (packages/opencode/src/skills/caspian-connect-email in TryCaspian/caspian-sdk) into .agents/skills/caspian-connect-email in your project. Codex loads it when a task matches its description.

Can I use Caspian Connect Email in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add TryCaspian/caspian-sdk --skill caspian-connect-email -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/caspian-connect-email, .gemini/skills/caspian-connect-email, .github/skills/caspian-connect-email and .opencode/skills/caspian-connect-email in your project.

What does Caspian Connect Email need to run?

Going by SKILL.md and its folder, Caspian Connect Email needs credentials named CASPIAN_API_KEY. Our summary lists: A credential in CASPIAN_API_KEY. Compatibility (from SKILL.md): opencode.

Does Caspian Connect Email access the network?

SKILL.md names 2 domains. In commands or code: api.trycaspianai.com; the agent is likely to contact it when it follows the instructions. As links in the text: dashboard.trycaspianai.com. This is read from the text; nothing was executed.

Is Caspian Connect Email safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Caspian Connect Email use?

Caspian Connect Email is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Caspian Connect Email use?

About 566 tokens (SKILL.md is roughly 2.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Caspian Connect Email?

Skills that share tags, products or a category with Caspian Connect Email: Supercompress (Supercompress/Supercompress, 107 stars), Ops (davepoon/buildwithclaude, 3.6k stars), Garden Inbox (paperclipai/paperclip, 99k stars) and Continue (telegramdesktop/tdesktop, 33k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Caspian Connect Email?

TryCaspian (a GitHub organization) maintains it in TryCaspian/caspian-sdk, which has 973 GitHub stars. The repository holds 8 skills in this directory. The repository was last updated on August 25, 2026.

Source: TryCaspian/caspian-sdk on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Caspian Connect Email

Install Caspian Connect Email

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Compatibility

Context cost

Safety

SKILL.md

Caspian connect email

When to use

How

Notes

Files

Compare with similar skills

Similar skills

Supercompress

Ops

Garden Inbox

Continue

Process Inbox

Process Inbox

More from TryCaspian/caspian-sdk

Caspian Toast Test

Taste

Caspian Connect Discord

Caspian Connect Telegram

Caspian Discord

Caspian Inbox

Questions about Caspian Connect Email

Install Caspian Connect Email

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Compatibility

Context cost

Safety

SKILL.md

Caspian connect email

When to use

How

Notes

Files

Compare with similar skills

Similar skills

More from TryCaspian/caspian-sdk

Related

Questions about Caspian Connect Email