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Agent skill

Prioritize Context Data

by HKUDS in HKUDS/OpenSpace

Ensures agents check and use provided context files for data before attempting external searches.

MITAuto-check passedDocuments & Office

Install Prioritize Context Data

skills CLI
$ npx skills add HKUDS/OpenSpace --skill prioritize-context-data -a claude-code

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

GitHub CLI
$ gh skill install HKUDS/OpenSpace prioritize-context-data --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/HKUDS/OpenSpace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/benchmarks/gdpval/skills/prioritize-context-data .claude/skills/prioritize-context-data && 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
prioritize-context-data
GitHub stars
7.7k
Token cost
~809 tokens
SKILL.md length
433 words
Files
2
Skills in repo
199
Repo updated
First seen
Licence
MIT

At a glance

Ensures agents check and use provided context files for data before attempting external searches.

  • Works in 5 steps: Scan Context for Attachments → Evaluate Relevance → Extract Data First → …
  • Documents & Office work in your project
  • SKILL.md covers Objective, Critical Rule, Workflow Steps and Checklist, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Prioritize Context Data is an agent skill from HKUDS/OpenSpace. Ensures agents check and use provided context files for data before attempting external searches.

Its SKILL.md is about 810 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file.

It sits in Documents & Office. It works with Microsoft Excel. The repository describes itself as: "OpenSpace: The Skill Management Layer for AI Agents" -- https://open-space.cloud/. The licence is MIT.

When your agent uses it

  • Documents & Office work in your project

Example prompts

  • “Use the prioritize-context-data skill to ensure agents check and use provided context files for data before attempting external searches”
  • “/prioritize-context-data”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Scan Context for Attachments
  2. Evaluate Relevance
  3. Extract Data First
  4. Cite Source Explicitly
  5. Fallback to Search (Only if Necessary)

What it can do on your machine

Read from SKILL.md and the folder at commit 3827781. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    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

Prioritize Context Data loads about 809 tokens when it runs. Until then it costs about 30 tokens; SKILL.md has 433 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~30
When it runs · the whole SKILL.md, loaded when a task matches
~809

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 passed

The automated check found no risky patterns in SKILL.md.

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 HKUDS/OpenSpace at commit 3827781, republished under its MIT licence (© HKUDS). 433 words, ~809 tokens.

Download SKILL.mdSave it as .claude/skills/prioritize-context-data/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
prioritize-context-data
description
Ensures agents check and use provided context files for data before attempting external searches.
category
workflow

Prioritize Context Data

Objective

Prevent data hallucination and inefficiency by mandating that agents inspect and utilize provided reference files (CSV, XLSX, PDF, TXT, etc.) before attempting web searches or generating synthetic data.

Critical Rule

If a reference file is provided in the task context, it is the source of truth. Do not fabricate data or search the web for information that exists within the provided attachments.

Workflow Steps

1. Scan Context for Attachments

At the start of every task, explicitly list all files provided in the context window or attachment panel.

  • Check for spreadsheets (.xlsx, .csv), documents (.pdf, .docx), or data dumps (.json, .txt).
  • Note the filename and inferred content type.
2. Evaluate Relevance

Determine if any provided file contains the data required to complete the task.

  • Match Keywords: Do filenames or column headers match task requirements?
  • Check Scope: Does the data cover the necessary timeframe or地域 (region)?
3. Extract Data First

If relevant files are found:

  • Read the file content using appropriate tools (e.g., read_file, pandas, pdf_reader).
  • Extract the specific data points needed.
  • Do not proceed to web search until you have confirmed the file lacks the necessary information.
4. Cite Source Explicitly

When presenting data in the final output:

  • Explicitly state which file the data came from.
  • Example: "According to Massabama_active_listings.xlsx..."
  • This verifies to the user that real data was used, not hallucinated.
5. Fallback to Search (Only if Necessary)

If the provided files do not contain the specific data needed:

  • State clearly what was missing from the files.
  • Then proceed with web search or estimation.
  • Mark any non-file data as "External Search" or "Estimated".
Show full SKILL.md (166 more words)Show less

Checklist

  • Did I list all attached files?
  • Did I open and read the relevant files?
  • Did I verify the data exists in the files before searching?
  • Did I cite the file name in my output?
  • Did I avoid fabricating numbers that should have come from the file?

Example Usage

Task: Create a report on active property listings. Context: Massabama_active_listings.xlsx is attached.

Incorrect Approach:

  • Ignore the Excel file.
  • Search web for "Massabama property listings".
  • Fabricate numbers based on search snippets.
  • Result: Inaccurate data, ignored source of truth.

Correct Approach:

  • Identify Massabama_active_listings.xlsx in context.
  • Load the Excel file.
  • Count rows and sum prices directly from the sheet.
  • Output: "Based on the 50 entries in Massabama_active_listings.xlsx, the total value is..."
  • Result: Accurate data, verified source.

Warnings

  • Hallucination Risk: Ignoring provided files is a primary cause of data fabrication.
  • Efficiency: Reading a local file is faster and more reliable than web scraping.
  • User Expectation: Users attach files expecting them to be used. Ignoring them is a failure of instruction following.

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

Files

SKILL.md and 1 other file in benchmarks/gdpval/skills/prioritize-context-data of HKUDS/OpenSpace.

  • SKILL.md
  • .skill_id

Open the folder on GitHubat commit 3827781

Compare with similar skills

Prioritize Context Data 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.

Prioritize Context Data compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Prioritize Context Data this skillHKUDS/OpenSpace7.7k—~809Automated safety check: PassMIT
MarkitdownImCa0/just-laws78114 repos~3.2kAutomated safety check: NotesMIT
GenOffice Document CLIgenspark-ai/genoffice8.8k—~19kAutomated safety check: PassApache-2.0
Docx4jplutext/docx4j2.4k—~2.5kAutomated safety check: PassNone
Instrument Data To Allotropeaws-samples/amazon-bedrock-agents-healthcare-lifesciences2742 repos~2.7kAutomated safety check: PassApache-2.0
Cyber Pptcrazyykhllc-bit/CyberPPT1.8k—~10kAutomated safety check: PassMIT

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Works with

Categories

Questions about Prioritize Context Data

What does Prioritize Context Data do?

Ensures agents check and use provided context files for data before attempting external searches. Prioritize Context Data is an agent skill from HKUDS/OpenSpace. Ensures agents check and use provided context files for data before attempting external searches.

When should I use Prioritize Context Data?

Prioritize Context Data fits situations like: documents & Office work in your project.

How do I install Prioritize Context Data in Claude Code?

Run `npx skills add HKUDS/OpenSpace --skill prioritize-context-data -a claude-code`. Or copy the skill folder (benchmarks/gdpval/skills/prioritize-context-data in HKUDS/OpenSpace) into .claude/skills/prioritize-context-data in your project. Claude Code loads it when a task matches its description.

How do I install Prioritize Context Data in Codex?

Run `npx skills add HKUDS/OpenSpace --skill prioritize-context-data -a codex`. Or copy the skill folder (benchmarks/gdpval/skills/prioritize-context-data in HKUDS/OpenSpace) into .agents/skills/prioritize-context-data in your project. Codex loads it when a task matches its description.

Can I use Prioritize Context Data 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 HKUDS/OpenSpace --skill prioritize-context-data -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/prioritize-context-data, .gemini/skills/prioritize-context-data, .github/skills/prioritize-context-data and .opencode/skills/prioritize-context-data in your project.

What does Prioritize Context Data need to run?

SKILL.md names no scripts, command-line tools or credentials: Prioritize Context Data is instructions for the agent only.

Does Prioritize Context Data 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 Prioritize Context Data safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Prioritize Context Data use?

Prioritize Context Data 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 Prioritize Context Data use?

About 809 tokens (SKILL.md is roughly 3.2k 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 Prioritize Context Data?

Skills that share tags, products or a category with Prioritize Context Data: Markitdown (ImCa0/just-laws, 781 stars), GenOffice Document CLI (genspark-ai/genoffice, 8.8k stars), Docx4j (plutext/docx4j, 2.4k stars) and Instrument Data To Allotrope (aws-samples/amazon-bedrock-agents-healthcare-lifesciences, 274 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Prioritize Context Data?

HKUDS (a GitHub organization) maintains it in HKUDS/OpenSpace, which has 7,743 GitHub stars. The repository holds 199 skills in this directory. The repository was last updated on August 12, 2026.

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