feat: mail-clerk skill package v0.1.0

SKILL.md

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+---
+name: mail-clerk
+description: "Occupational skill for the role 'mail clerk' (also: mail room clerk, post office mail clerk, sorting clerk, mail sorter). Use when the user asks for typical mail clerk work such as: Seal or open envelopes, by hand or by using machines.; Affix postage to packages or letters by hand, or stamp materials, using postage meters.; Verify that items are addressed correctly, marked with the proper postage, and in suitable condition for processing."
+---
+
+# Mail Clerk
+
+Mail clerks perform mail handling, sorting, recording and other duties in connection with mail services from post offices or related organisations. They keep records of the incoming and outgoing packages and letters in the establishment.
+
+## Core workflow
+
+1. Seal or open envelopes, by hand or by using machines.
+2. Affix postage to packages or letters by hand, or stamp materials, using postage meters.
+3. Verify that items are addressed correctly, marked with the proper postage, and in suitable condition for processing.
+4. Sort and route incoming mail, and collect outgoing mail, using carts as necessary.
+5. Determine manner in which mail is to be sent, and prepare it for delivery to mailing facilities.
+6. Wrap packages or bundles by hand, or by using tying machines.
+7. Remove containers of sorted mail or parcels and transfer them to designated areas according to established procedures.
+8. Accept and check containers of mail or parcels from large volume mailers, couriers, and contractors.
+
+## How to use this skill
+
+- Read [references/profile.md](references/profile.md) for the occupation profile and scope.
+- Consult [references/tasks.md](references/tasks.md) for the full task and activity inventory.
+- Check [references/skills.md](references/skills.md) for essential vs. optional competences.
+- Check [references/tools.md](references/tools.md) for the software commonly used in this role.
+- See [references/ai-skills.md](references/ai-skills.md) — matched external AI agent skills (per-source attribution).
+
+## Key competences (essential)
+
+- apply information security policies
+- differentiate types of packages
+- ensure the integrity of mail
+- establish daily priorities
+- handle mail
+- keep records of customer interaction
+- keep records of merchandise delivery
+- keep task records
+- keep written records of cargo
+- liaise with colleagues
+- liaise with transportation companies
+- maintain privacy of service users
+- operate mailing information systems
+- organise mail deliveries
+- record customers' personal data
+
+## Hot technologies
+
+- Microsoft Access
+- Adobe Acrobat
+- Microsoft Outlook
+- Microsoft Office software
+- Microsoft Windows
+- Microsoft PowerPoint
+- Microsoft Excel
+- Microsoft Word
+
+
+<!-- hot-tech -->
+
+## Hot technologies
+
+Top tools from 57 gated job ads (see references/market.md, as of 2026-07-15):
+
+- scanners — 26 %
+- labeling tools — 21 %
+- mailroom equipment — 21 %
+- computerized point-of-sale systems — 9 %
+- Microsoft Office — 5 %
+- postage meters — 5 %
+
+<!-- hot-tech -->
+
+---
+*Sources: ESCO v1.2.1 (http://data.europa.eu/esco/occupation/511f366c-ba41-4826-9622-8cda6d6e3b91), O*NET 30.3 (43-9051.00). See manifest.json for licensing/attribution.*