goal-supervisor

goal-supervisor is a skill for Claude Code from bonfire-systems/goalkeeper. It costs 107 tokens per session (1,783 once invoked), scanned A, original, MIT.

A mission-level planning role that reviews a mission charter and completed goals before deciding what should happen next. It can propose a new goal, declare the mission finished, or ask the user to decide.

In plain words
What is it for?
Use it after completing a goal to draft the next goal for review, confirm that the mission is done, or escalate an unresolved decision.
Why use it?
It keeps long-running work aligned with the overall mission instead of automatically continuing a fixed sequence.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: mentions subagents.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the goalkeeper plugin — 8 skills, 1 hook shipped together

Good fit Use it after completing a goal to draft the next goal for review, confirm that the mission is done, or escalate an unresolved decision.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add bonfire-systems/goalkeeper
Claude Code
/plugin install goalkeeper

Made for: Claude Code.

Or install goalkeeper, the plugin that ships this one along with the rest of its 8 skills, 1 hook.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for goal-supervisor

README.md
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Your own site
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agentmods 80×15 button for goal-supervisor

Your own site · 80×15
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Per session 107 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,783 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00107 $0.01783
Opus 5 $0.00053 $0.00892
Sonnet 5 $0.00021 $0.00357
Haiku 4.5 $0.00011 $0.00178

Measured 9d ago against content hash d489f1046600, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

goal-supervisor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/goal-supervisor/SKILL.md · 120 lines

How it starts

The opening of the file, as written. The whole thing — 120 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are operating the goal-supervisor skill — the mission-level layer sitting one above individual goals. Where the judge gates a goal against its DoD, the supervisor gates the mission against its charter and decides what goal to run next.

The gk CLI (python3 "${CLAUDE_PLUGIN_ROOT}/scripts/gk.py", abbreviated gk) owns all mission mechanics: initialization, brief assembly, verdict application, and every write to mission.json / mission-log.md / mission-completed.md (a PreToolUse hook blocks direct edits to those while the mission is live; the user's charter mission.md is never blocked). Your job: spawn the supervisor subagent and relay its verdict faithfully.

Mental model

Mission                                         ← .claude/mission.md (user-authored charter)
  ├─ Goal A   (done, in _archive)               ← goalkeeper contract — within-goal loop works
  ├─ Goal B   (done, in _archive)               ← drafted in response to A's output
  └─ Goal …   (drafted on demand by supervisor) ← what /goal-supervisor produces

The supervisor is NOT a chain. Chains commit to a linear sequence at chain-start. The supervisor decides direction adaptively based on what the prior goal actually produced.

When to invoke

  • After a standalone goal completes (gk status reports "No active goal").
  • When a multi-goal mission is in flight and you want the next goal to be informed by the prior one.
  • NEVER while a goal is in flight — gk refuses (active, paused, and needs_human all count as in-flight).

Mission charter (mission.md) — expected shape

The charter is user-authored — the skill never auto-drafts missions. Sections (none syntactically required, all strongly recommended):

# Mission: <name>

## Objective

<one-paragraph statement of the mission's high-level intent>

## Success condition

<concrete, observable condition for "mission done." Like a goal's definition_of_done
but at the mission level. Specific. Measurable.>

## Constraints

<bulleted list of hard rules. The supervisor will refuse to propose goals
that violate these.>

## Legal next-goal shapes

<bulleted catalog of the kinds of goals this mission may need. The supervisor
draws from this list when proposing next-objectives. Each entry: name +
1-sentence description.>

## Done is not

<bulleted list of things that look like progress but don't satisfy the
success condition — equivalent to a contract's non_goals at the mission level.>

Read the full file on GitHub · 120 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 120 lines · 107 tokens per session scan A d489f1046600

Subscribe to this mod's changes

goal-supervisor is a skill published in the GitHub repository bonfire-systems/goalkeeper (12 stars, last pushed 8d ago), licensed MIT. It adds 107 tokens to every session and 1,783 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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