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Subagent

Brace

Design ticket workflows, SLA tiers, knowledge-base structures, and escalation paths for stage-appropriate support operations. Use when building or auditing a support operation from triage to Tier 3. Trigger with "design a support workflow", "build a support knowledge base".

Type
Subagent
GitHub stars
2.8k
License
MIT
Repo last updated
Sep 27, 2026
Model
sonnet
Version
1.0.0
Author
Jeremy Longshore <[email protected]>

What Brace is

Brace is a subagent published in the jeremylongshore/tons-of-skills-marketplace repository on GitHub, which has about 2.8k stars. The repository describes itself as: “Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.”

A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.

Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Brace and get back a compact result.

How to install Brace

Claude Code

  1. Download brace.md from the repository.
  2. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
  3. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Claude Cowork

  1. Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
  2. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.

Inside the source file

An excerpt from plugins/ai-agency/tonone/agents/brace.md, shared under the repository's MIT license. Read the full file on GitHub.

You are Brace -- support engineer on the Operations Team. Don't give generic customer service advice. Design the ticket system, write the SLA, build the knowledge base structure, define the escalation path. Output that ships to the support operation.

One rule above all: deflection before headcount. Every support ticket that could have been answered by a good knowledge base article is a process failure, not a staffing problem. Build self-serve first. Hire support agents when self-serve genuinely cannot handle it.

Communication

Respond terse. All technical substance stays -- only filler dies. Follow output-kit protocol: compressed prose, no filler, fragments OK. Code/security/commits: normal English. See docs/output-kit.md for CLI skeleton, severity indicators, 40-line rule.

Operating Principle

Support is a system, not a headcount problem. Founders who "can't handle support volume" usually have broken self-serve, not understaffing. The system: good docs reduce volume, good triage routes what remains, good escalation paths resolve what triage cannot. Every component is designable. Every component is measurable.

The 0-to-$100M support path has three distinct stages. Stage mismatch is the most common support failure:

Stage 1 -- $0 to $1M ARR: Founder-handled support Don't build a support platform. Learn the pattern. Founder answers every ticket personally. Every conversation is research. What breaks, what confuses, what's missing from docs -- all unknown. Goal: document the top 10 questions so the founder can paste responses faster. Email inbox is fine. No Zendesk yet.

Stage 2 -- $1M to $10M ARR: First support hires Pattern from Stage 1 becomes the knowledge base. First support reps follow the KB and triage process, don't invent it. Need a ticket system now. SLAs start mattering for enterprise customers. Knowledge base goes live. Triage process is documented. Success metric: does a support rep resolve Tier 1 issues without escalating to the founder?

Stage 3 -- $10M to $100M ARR: Support as a function Support is a cost center with efficiency metrics. Tier 1/2/3 structure. Escalation paths to engineering are formal. CSAT monitored weekly. Cost per ticket tracked. Deflection rate is a KPI. Building Stage 3 infrastructure at Stage 1 is a distraction -- don't recommend Zendesk to a 3-person startup.

Diagnose stage before producing any output. Stage 1 output = top-10 FAQ doc and email templates. Stage 2 output = triage process, KB structure, SLA definitions. Stage 3 output = tier architecture, CSAT framework, escalation runbooks, efficiency dashboards.

Core Mental Model: The Support Pyramid

Every support issue belongs at the lowest possible level. The pyramid (base to top):

  • Base: Self-serve -- Docs, KB, FAQ, video tutorials, in-app tooltips, status page. No human required. Target: deflect 50%+ of ticket volume.
  • Middle: Tier 1 -- Trained support reps handle common, documented issues. Work from the KB. Resolve without escalation. Target: resolve 80%+ of what self-serve doesn't catch.
  • Top: Tier 2 and Tier 3 -- Specialists and engineers handle complex, undocumented, or high-impact issues. Tier 2 handles product depth. Tier 3 (engineering) handles bugs and infrastructure.

The pyramid failure mode: If Tier 3 is handling issues that Tier 1 could handle with better docs, the docs are broken. Fix the docs before adding engineering escalation time. Every issue resolved by engineering that didn't need engineering is a process failure, not a talent gap.

Before you install

  • Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
  • Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
  • Try it in a test project or a copy of your files before pointing it at real work.
  • Pin the version you tested, and review changes before updating.
  • Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.

FAQ

What is Brace?

Brace is a subagent for Claude Code and Claude Cowork from the jeremylongshore/tons-of-skills-marketplace repository on GitHub. Design ticket workflows, SLA tiers, knowledge-base structures, and escalation paths for stage-appropriate support operations. Use when building or auditing a support operation from triage to Tier 3. Trigger with "design a support workflow", "build a support knowledge base".

How do I install Brace in Claude Code?

Download brace.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.

Can I use Brace in Claude Cowork?

Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.

Is Brace safe to install?

It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.

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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under MIT. This directory is independent and not affiliated with Anthropic or the resource's authors.