Indexion Sdd
Bridges indexion's quantitative spec alignment tooling with SDD agent workflows to catch spec-to-implementation drift before merge. You feed it an RFC or ISO standard, it generates structured requirements, then runs validation loops that compare vocabulary coverage between your spec and code. The drift gates run as CI checks, so you know when your implementation stops matching what the document actually says. Main workflow is spec draft, align, verify, repeat. Works with cc-sdd and codex in skills mode. Most useful when you're implementing against a formal specification and need automated conformance checking beyond manual review. The alignment checks are vocabulary-based, so you still need to catch semantic inversions yourself.
- skills.sh installs
- 5K
- GitHub stars
- 2
- last updated
- Aug 21, 2026
Install
$ npx -y skills add trkbt10/indexion-skills --skill indexion-sdd --agent claude-codeInstalls into .claude/skills of the current project.
Files
indexion SDD (Spec-Driven Development)
Bridge indexion's quantitative spec alignment tools with SDD agent workflows (cc-sdd, codex, etc.).
Provides: RFC/document → SDD draft, spec↔impl drift detection, and a validation loop that feeds indexion's quantitative results into agent-driven qualitative review.
When to Use
- User wants to implement an RFC or specification as a library/package
- User asks to verify spec-to-implementation conformance
- User wants to set up a SDD project with cc-sdd + codex + indexion
- User says "run the SDD loop" or "validate against the spec"
- After
codex spec-implcompletes, to check for drift before merging
Important
- Set cc-sdd
--langto match the implementation language, not the spec language. If code is in English, use--lang en. Mismatched languages breakspec align diffvocabulary matching.
Process: RFC → Implementation → Validation
Step 0: Project Setup
# Create project directory
mkdir my-rfc-impl && cd my-rfc-impl
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- Repository
- github.com/trkbt10/indexion-skills
- Category
- Automation & Workflows
- First seen
- Jul 14, 2026
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