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reuse-surface/registry/capabilities/capability.registry.register.md

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---
id: capability.registry.register
name: Capability Registration
summary: Register a new capability so it becomes visible for planning and implementation reuse.
owner: reuse-surface
status: draft
domain: helix_forge
tags:
- registry
- governance
- meta
maturity:
discovery:
current: D3
target: D5
confidence: medium
rationale: >
Core use case UC-RS-001 is documented in specs/UseCaseCatalog.md and the
registry model is bounded in INTENT.md, but concrete promotion workflows
are not yet grounded in registry artifacts.
availability:
current: A0
target: A3
confidence: medium
rationale: >
Registration is currently manual through Markdown entries and the index.
A CLI validator/query tool would raise availability to A3.
external_evidence:
completeness:
level: C1
name: Fragmentary
confidence: low
basis: scope_vs_intent_and_consumer_expectations
satisfied_expectations:
- capability IDs can be assigned in registry entries
- maturity vectors can be recorded at registration time
broken_expectations:
- no automated duplicate detection yet
- no promotion history tracking yet
out_of_scope_expectations:
- hosting registered capabilities
- enforcing implementation architecture
reliability:
level: R0
confidence: low
basis: consumer_quality_signals
known_reliability_risks:
- registry consistency depends on manual index maintenance
discovery:
intent: >
Make a capability candidate visible in the registry so humans and agents can
discover, assess, compare, and reuse it instead of rebuilding it in isolation.
includes:
- stable capability ID assignment
- initial discovery and availability classification
- explicit completeness and reliability placeholders
- evidence and relation references
excludes:
- implementing the registered capability
- certifying implementation quality
- operating runtime services for registered capabilities
assumptions:
- unregistered capabilities are invisible for registry-driven reuse
- low-maturity entries are acceptable when evidence gaps are explicit
use_cases:
- UC-RS-001
research_memos:
- specs/UseCaseCatalog.md
- specs/ProductRequirementsDocument.md
availability:
current_level: A0
target_level: A3
current_artifacts:
- templates/capability-entry.template.md
- registry/indexes/capabilities.yaml
target_artifacts:
- tools/validate-registry
- tools/query-registry
consumption_modes:
- informational
- markdown authoring
relations:
depends_on: []
supports:
- capability.feature-control.evaluate
- capability.identity.vocabulary-canonicalize
related_to:
- capability.registry.validate
evidence:
documentation:
- INTENT.md
- specs/UseCaseCatalog.md
tests: []
consumer_feedback: []
bug_reports: []
incidents: []
consumer_guidance:
recommended_for:
- making a new capability visible at D0/A0/C0/R0 with minimal friction
- seeding planning discussions before implementation exists
not_recommended_for:
- treating registry presence as proof of implementation readiness
- skipping explicit evidence for maturity promotion
known_limitations:
- manual index updates are required after adding an entry
- duplicate detection is guidance-only in the MVP
---
# Capability Registration
## Overview
Registration is the entry point for reuse visibility. A capability that is not
registered cannot be discovered through the registry surface, even if code or
documentation exists elsewhere.
## Current reuse mode
Humans and agents add Markdown entries under `registry/capabilities/` and update
`registry/indexes/capabilities.yaml`. This is informational reuse (A0): read,
plan, and author entries.
## Next promotion steps
1. Attach concrete use cases and actors to reach D5.
2. Add a CLI validator to reach A3.
3. Record consumer expectations and broken expectations as external evidence.