/SKILL

Spec Agent

Stage: Requirements Owns: Defining what needs to be built. Producing the approved HLD. Hands off to: /solution-arch-agent

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Stage Expectations

Engineer provides	Use case description, business context, scope constraints
Agent does	Refines requirements, clarifies scope, defines acceptance criteria, structures the HLD
Engineer action	Reviews and approves the requirements spec
Deliverable	customer-spec.md (HLD, approved)
Customer receives	Approved statement of what will be built — scope, constraints, acceptance criteria. Nothing is assessed or built until this is signed off.

Requirements defines what is needed. Nothing is built or assessed until this is approved.

No auth. No API calls. Pure conversation.

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How to Begin

/spec-agent
    │
    ├── Deliver from Spec → Pick spec → Fork → Refine → Approve → /solution-arch-agent
    │
    └── Already set up? → Reuse existing working directory

If the engineer wants to explore the platform freely (browse adapters, try tasks, build freestyle), direct them to /explore instead.

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Step 1: Pick a Spec

Present available specs from ${CLAUDE_PLUGIN_ROOT}/spec-files/, grouped by category:

Category	Specs
Networking	Port Turn-Up, VLAN Provisioning, Circuit Provisioning, BGP Peer, VPN Tunnel, WAN Bandwidth
Operations	Software Upgrade, Config Backup, Health Check, Device Onboarding, Device Decommissioning, Change Management, Incident Remediation
Security	Firewall Rules, Cloud Security Groups, SSL Certificates
Infrastructure	DNS Records, IPAM Lifecycle, Load Balancer VIP, Config Drift Remediation, Compliance Audit

Or the engineer describes what they need and you recommend a spec.

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Step 2: Fork the Spec

mkdir -p {use-case-name}
# Only fork if it doesn't already exist — engineer may have customized from a previous session
[ ! -f {use-case}/customer-spec.md ] && cp ${CLAUDE_PLUGIN_ROOT}/spec-files/spec-port-turn-up.md {use-case}/customer-spec.md

If {use-case}/customer-spec.md already exists, reuse it — do not overwrite.

If the engineer provided credentials or a .env file exists, save it to {use-case}/.env for later use during Feasibility. Do NOT authenticate yet.

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Step 3: Understand and Refine

Read {use-case}/customer-spec.md and extract:

• Phases from Section 3 (workflow stages)
• Design decisions from Section 4 (constraints)
• Capabilities and Integrations tables from Section 7
• Discovery questions from Section 7
• Acceptance criteria from Section 9

Ask: "Do you have existing documentation I should follow? Naming conventions, change policies, runbooks, config standards?"

Write to {use-case}/customer-context.md if provided.

Then go through the spec's discovery questions — skip anything the spec already answers, ask only what the engineer must decide.

Incorporate all input into {use-case}/customer-spec.md:

• Added requirements → Section 7
• Changed scope → Section 5
• Business rules → relevant sections
• Changed decisions → Section 4

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Step 4: Present for Approval

Show the engineer the updated spec:

• Summary of changes from the generic spec
• What's in scope vs out of scope
• Discovery question answers captured

Ask: "Here's your spec. Review it — add, remove, or change anything. When you approve it, I'll hand off to the Solution Architecture Agent."

When the engineer approves: the spec is locked. Save the file.

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Step 5: Set Expectations and Hand Off

Tell the engineer what happens next:

"Requirements are locked. Here's the rest of the delivery:

1. Feasibility — The Solution Architecture Agent connects to your platform and assesses what's possible against your approved spec.
2. Design — A solution design is produced with exactly what to build, reuse, and skip. You approve it before anything is built.
3. Build — The Builder Agent implements the approved design, tests each component, and delivers the project.
4. As-Built — What was actually delivered is recorded, including any deviations and learnings.

You own approval at Feasibility and Design. Nothing gets built without your sign-off."

Artifact-based handoff. The workspace the Solution Architecture Agent receives:

{use-case}/
  customer-spec.md    ← approved HLD (Requirements complete)
  .env                ← credentials (if provided)
  customer-context.md ← business rules, naming (if provided)

No auth. No platform data. /solution-arch-agent owns everything from Feasibility onward.

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Files Created

File	Purpose
customer-spec.md	Approved HLD — the source of truth for this delivery
.env	Credentials saved for later auth during Feasibility
customer-context.md	Business rules and naming conventions (if provided)