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Agent skill

Cost Compact Context

by ruvnet in ruvnet/ruflo

Wrap getTokenOptimizer().getCompactContext() to retrieve compacted ReasoningBank context for cost-analysis queries; report bridge-reported tokensSaved

MITAuto-check: notes

Install Cost Compact Context

skills CLI
$ npx skills add ruvnet/ruflo --skill cost-compact-context -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install ruvnet/ruflo cost-compact-context --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/ruvnet/ruflo.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/ruflo-cost-tracker/skills/cost-compact-context .claude/skills/cost-compact-context && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
cost-compact-context
GitHub stars
74k
Token cost
~657 tokens
SKILL.md length
246 words
Files
1
Skills in repo
264
Repo updated
First seen
Licence
MIT

At a glance

Wrap getTokenOptimizer().getCompactContext() to retrieve compacted ReasoningBank context for cost-analysis queries; report bridge-reported tokensSaved

  • Works in 3 steps: Take the query — the single argument. → Invoke — run from anywhere under v3/ so… → Report — markdown table with: memories…
  • SKILL.md covers Steps, Caveats — claimed upstream,…, Fallback and Cross-references
  • Calls node

What it does

Cost Compact Context is an agent skill from ruvnet/ruflo. Wrap getTokenOptimizer().getCompactContext() to retrieve compacted ReasoningBank context for cost-analysis queries; report bridge-reported tokensSaved

Its SKILL.md is about 660 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: 🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory…. The licence is MIT.

Example prompts

  • “/cost-compact-context”

Requirements

  • Pre-approved tools (allowed-tools): Bash

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Take the query — the single argument.
  2. Invoke — run from anywhere under v3/ so @claude-flow/integration resolves
  3. Report — markdown table with: memories retrieved, tokens saved (bridge-reported), agentic-flow availability, cache hit rate. The script…

What it can do on your machine

Read from SKILL.md and the folder at commit 6051f67. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • node

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Cost Compact Context loads about 657 tokens when it runs. Until then it costs about 43 tokens; SKILL.md has 246 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~43
When it runs · the whole SKILL.md, loaded when a task matches
~657

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Bash

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from ruvnet/ruflo at commit 6051f67, republished under its MIT licence (© ruvnet). 246 words, ~657 tokens.

Download SKILL.mdSave it as .claude/skills/cost-compact-context/SKILL.md (or your agent's skills folder).
name
cost-compact-context
description
Wrap getTokenOptimizer().getCompactContext() to retrieve compacted ReasoningBank context for cost-analysis queries; report bridge-reported tokensSaved
allowed-tools
Bash
argument-hint
<query>

Cost Compact Context

Wraps getTokenOptimizer().getCompactContext() from @claude-flow/integration for cost-analysis queries. The bridge dynamically imports agentic-flow with graceful fallback: when the package isn't installed, tokensSaved is 0 and the skill exits cleanly. No MCP tool wraps getTokenOptimizer today (ADR-0002 §"Riskiest assumption"); we shell a Node one-liner instead.

Steps

  1. Take the query — the single argument.

  2. Invoke — run from anywhere under v3/ so @claude-flow/integration resolves:

    bash
    ( cd v3 && node ../plugins/ruflo-cost-tracker/scripts/compact.mjs "<QUERY>" )

    The script imports @claude-flow/integration/token-optimizer (canonical export — not dist/token-optimizer.js, which would double the .js extension via Node's ./* exports rule), calls getCompactContext(query), and prints a markdown summary plus a JSON line via COMPACT_QUIET=1.

  3. Report — markdown table with: memories retrieved, tokens saved (bridge-reported), agentic-flow availability, cache hit rate. The script also emits a "bridge-reported, not measured against a no-RAG baseline" disclaimer. On bridge-unavailable: prints "agentic-flow not installed — bridge returns inert results." and exits cleanly.

Caveats — claimed upstream, not yet verified

CLAUDE.md root claims ReasoningBank retrieval: -32% tokens. The bridge's tokensSaved is query_tokens − compact_prompt_tokens (token-optimizer.ts:141–143) — a heuristic, not a baseline-measured saving. token-optimizer.ts:9–10 itself says: "No fabricated metrics are reported — all stats reflect real measurements". This skill carries that disclaimer forward.

Booster-specific availability is not exposed as a getter — observable only through optimizedEdit() returning method: 'agent-booster'. The canonical Tier 1 signal is [AGENT_BOOSTER_AVAILABLE] (see cost-booster-route).

Fallback

agentic-flow not installed → getCompactContext returns {tokensSaved: 0, memories: []} (line 116–124), optimizedEdit returns {method: 'traditional'}, getOptimalConfig falls back to anti-drift defaults. Skill exits cleanly with the "not available" message.

Cross-references

ADR-0002 Decision #2 + §"Riskiest assumption" · token-optimizer.ts:308 (singleton export) · docs/benchmarks/0002-baseline.md (verification findings).

© ruvnet, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in plugins/ruflo-cost-tracker/skills/cost-compact-context of ruvnet/ruflo.

Open the folder on GitHubat commit 6051f67

Compare with similar skills

Cost Compact Context next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Cost Compact Context compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Cost Compact Context this skillruvnet/ruflo74k—~657Automated safety check: NotesMIT
Cost Trackingaffaan-m/ECC275k1 repos~1.3kAutomated safety check: PassMIT
Strategic Compactaffaan-m/ECC275k1 repos~2.1kAutomated safety check: PassMIT
Cost Trackingaffaan-m/ECC275k—~829Automated safety check: PassMIT
Exploring LLM CostsPostHog/posthog40k—~2.9kAutomated safety check: PassCustom licence
Iterative Retrievalaffaan-m/ECC275k7 repos~1.6kAutomated safety check: PassMIT

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Questions about Cost Compact Context

What does Cost Compact Context do?

Wrap getTokenOptimizer().getCompactContext() to retrieve compacted ReasoningBank context for cost-analysis queries; report bridge-reported tokensSaved. Cost Compact Context is an agent skill from ruvnet/ruflo.

How do I install Cost Compact Context in Claude Code?

Run `npx skills add ruvnet/ruflo --skill cost-compact-context -a claude-code`. Or copy the skill folder (plugins/ruflo-cost-tracker/skills/cost-compact-context in ruvnet/ruflo) into .claude/skills/cost-compact-context in your project. Claude Code loads it when a task matches its description.

How do I install Cost Compact Context in Codex?

Run `npx skills add ruvnet/ruflo --skill cost-compact-context -a codex`. Or copy the skill folder (plugins/ruflo-cost-tracker/skills/cost-compact-context in ruvnet/ruflo) into .agents/skills/cost-compact-context in your project. Codex loads it when a task matches its description.

Can I use Cost Compact Context in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add ruvnet/ruflo --skill cost-compact-context -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cost-compact-context, .gemini/skills/cost-compact-context, .github/skills/cost-compact-context and .opencode/skills/cost-compact-context in your project.

What does Cost Compact Context need to run?

Going by SKILL.md and its folder, Cost Compact Context needs the command-line tools its instructions call (node). Its frontmatter pre-approves these tools: Bash.

Does Cost Compact Context access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Cost Compact Context safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Cost Compact Context use?

Cost Compact Context is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Cost Compact Context use?

About 657 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Cost Compact Context?

Skills that share tags, products or a category with Cost Compact Context: Cost Tracking (affaan-m/ECC, 275k stars), Strategic Compact (affaan-m/ECC, 275k stars), Cost Tracking (affaan-m/ECC, 275k stars) and Exploring LLM Costs (PostHog/posthog, 40k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Cost Compact Context?

ruvnet (a GitHub user) maintains it in ruvnet/ruflo, which has 74,089 GitHub stars. The repository holds 264 skills in this directory. The repository was last updated on October 8, 2026.

Source: ruvnet/ruflo on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.