speckit-constitution

Create or update the project constitution from interactive or provided principle inputs, ensuring all dependent templates stay in sync.

1.61x

Quality

44%

Does it follow best practices?

Impact

76%

1.61x

Average score across 3 eval scenarios

Securityby

Critical

Do not install without reviewing

Optimize this skill with Tessl

npx tessl skill review --optimize ./.claude/skills/speckit-constitution/SKILL.md

Evaluation results

100%

41%

Update Project Constitution with New Security Principle

Constitution update with semantic versioning and sync report

Criteria

Without context

With context

Semantic version bump type

100%

Sync Impact Report as HTML comment

100%

Sync Impact Report contents: version change

100%

Sync Impact Report contents: templates status

100%

No remaining bracket tokens

100%

ISO date format

100%

LAST_AMENDED_DATE is today

100%

Principle formatting

100%

Declarative principle language

83%

100%

Governance section present

100%

sync_report.md produced

100%

suggested_commit.txt produced

33%

100%

Single blank line between sections

100%

No trailing whitespace

100%

76%

35%

Amend Project Constitution: Add Performance Principle

Extension hooks processing with filtering and formatting rules

Criteria

Without context

With context

Dot-to-hyphen in pre-hooks

100%

Disabled hook skipped

100%

Condition hook skipped

75%

100%

Mandatory pre-hook format

12%

100%

Optional pre-hook format

Post-hook dot-to-hyphen

100%

Post-hook disabled excluded

100%

Post-hook mandatory label

Post-hook optional label

100%

Constitution updated

100%

sync_report.md produced

100%

hooks_log.md format

100%

EXECUTE_COMMAND for mandatory pre-hook

54%

12%

Refine Project Constitution: Rename and Expand Existing Principles

Principle rename propagation and consistency sync across templates

Criteria

Without context

With context

Semantic version: MINOR bump

100%

TODO for unknown ratification date

40%

Sync Impact Report as HTML comment

Renamed principle tracked in report

Plan template updated

100%

Tasks template updated

100%

Quickstart doc updated

100%

Command files checked

100%

Command agent-specific reference flagged

Governance section filled

No unexplained bracket tokens

propagation_report.md produced

100%

suggested_commit.txt format

LAST_AMENDED_DATE is today

100%

Repository: mixpanel/mixpanel-headless
Commit: 3ce3191

Evaluated: 2 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Update Project Constitution with New Security Principle Amend Project Constitution: Add Performance Principle Refine Project Constitution: Rename and Expand Existing Principles

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