gmail-automation

Automate Gmail tasks via Rube MCP (Composio): send/reply, search, labels, drafts, attachments. Always search tools first for current schemas.

Install with Tessl CLI

npx tessl i github:Lingjie-chen/MT5 --skill gmail-automation

What are skills?

1.52x

Quality

60%

Does it follow best practices?

Impact

96%

1.52x

Average score across 3 eval scenarios

Optimize this skill with Tessl

npx tessl skill review --optimize ./.trae/skills/gmail-automation/SKILL.md

SKILL.md

Review

Evals

Evaluation results

92%

Inbox Triage Automation for a Busy Engineering Team

Search query syntax and bulk label operations

Criteria

Without context

With context

RUBE_SEARCH_TOOLS first

LIST_LABELS before create

100%

is:unread syntax

100%

Date range query

100%

Label ID not name

100%

BATCH_MODIFY for bulk

100%

REMOVE UNREAD to read

100%

Pagination handling

100%

Batch size limit

100%

No include_payload on search

100%

Without context: $0.2131 · 1m 18s · 12 turns · 19 in / 4,125 out tokens

With context: $0.3779 · 1m 36s · 16 turns · 268 in / 5,217 out tokens

100%

65%

Customer Support Email Response Automation

Thread reply workflow and ID handling

Criteria

Without context

With context

RUBE_SEARCH_TOOLS first

100%

FETCH_EMAILS prerequisite

80%

100%

REPLY_TO_THREAD not SEND_EMAIL

100%

No subject in reply

100%

Hex thread_id from results

80%

100%

No legacy web UI IDs

100%

is: syntax for search

100%

is_html for HTML replies

20%

100%

Defensive response parsing

100%

from: domain search syntax

100%

Without context: $0.2802 · 1m 37s · 14 turns · 69 in / 5,201 out tokens

With context: $0.2642 · 1m 12s · 13 turns · 264 in / 3,701 out tokens

97%

25%

Stakeholder Outreach Draft Preparation

Draft creation with attachments and contact resolution

Criteria

Without context

With context

RUBE_SEARCH_TOOLS first

62%

SEARCH_PEOPLE for names

41%

100%

is_html for HTML body

25%

100%

Mimetype includes slash

100%

data.id for draft ops

100%

UPDATE_DRAFT includes all fields

100%

Exponential backoff

100%

Explicit approval before send

100%

LIST_DRAFTS for verification

100%

s3key expiry note

100%

Without context: $0.3626 · 2m 1s · 17 turns · 1,663 in / 6,368 out tokens

With context: $0.2429 · 1m 8s · 11 turns · 263 in / 3,756 out tokens

Evaluated: 3 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Inbox Triage Automation for a Busy Engineering Team Customer Support Email Response Automation Stakeholder Outreach Draft Preparation

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