slack-notify

Bridge your Anvil sessions to Slack with rich, contextual notifications. Send session summaries, code review results, security audit findings, deployment statuses, and custom messages to any Slack channel — formatted as beautiful Block Kit messages with full context preserved.

What It Does

slack-notify provides a seamless Slack integration layer for Anvil outputs:

• Session summaries: Auto-format and post a summary of what was accomplished in an Anvil session
• Code review notifications: Send diff summaries, review comments, and approval status to team channels
• Security findings: Push security audit results with severity badges and remediation links
• Deployment alerts: Notify deployment channels with build status, version, environment, and diff link
• Custom messages: Send any text, markdown, or structured data to Slack from Anvil conversations
• Thread replies: Post follow-up messages in threads for ongoing work items
• Scheduled summaries: Configure daily digests of Anvil activity
• Mention support: Tag users or groups in notifications (@here, @channel, @username)

Installation

anvil plugin install slack-notify

Setup

1. Create a Slack App and add an Incoming Webhook for your workspace
2. Copy the webhook URL
3. Configure the plugin:

/slack configure --webhook https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXX

Or set the environment variable:

export SLACK_WEBHOOK_URL=https://hooks.slack.com/services/...

Usage

Notify After Deployment

/slack notify --event deployment --version 1.2.3 --env production --status success

Send Session Summary

/slack summary --channel #engineering

Send Code Review Result

/slack review --pr 42 --status approved --channel #code-review

Send Custom Message

/slack send --channel #alerts --message "Database migration complete on prod"

Send Security Audit Results

/slack audit --file ./security-report.json --channel #security

Configuration Options

Option	Description	Default
--webhook	Slack incoming webhook URL	env: SLACK_WEBHOOK_URL
--channel	Default channel	set during configure
--username	Bot display name	Anvil
--icon	Bot icon emoji	:hammer:
--thread-ts	Reply in thread	none

Requirements

• Slack workspace with Incoming Webhooks app installed
• Webhook URL configured via /slack configure or SLACK_WEBHOOK_URL environment variable