harness-tools

What problem does it solve?

Ensures that actions taken through MCP developer tools follow the project’s trust-tier rules, providing an audit-compatible governance path for tool usage.

Core Features & Use Cases

• Tool trust-tier enforcement: Classifies each curated MCP tool’s operations into read, workspace write, and externally visible tier levels so human authorization is required for Tier 3 actions.
• Linear-backed governance artifacts: Uses Linear as the working surface while keeping checked-in docs/ files as the canonical harness artifacts.
• Companion-rule notification discipline via Slack: Routes companion-rule triggers through Slack only with human approval, preventing unapproved announcements or disclosure.
• Externally visible scheduling and messaging gates: Restricts Google Calendar and Gmail actions to Tier 3 with review-before-send behavior.
• Analytics read-only policy: Limits Ahrefs and Similarweb to Tier 0 read-only guidance use, surfacing data for human decision-making rather than autonomous scope/product choices.

Quick Start

Ask the AI to use Linear, Slack, Calendar, or Gmail to draft a harness-governed update and to show the proposed Tier 3 message or event for your approval before it is sent.