Excel and CSV Data Analysis
bytedance/deer-flow
Analyzes uploaded Excel and CSV files with SQL through DuckDB, producing schema inspections, statistical summaries and exports to CSV, JSON or Markdown.
Create or revise a business guide, reviewed query, semantic model, relationship or metric in the configured context store.
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install ai-analyst-lab/ai-analyst maintain-context --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/maintain-context .claude/skills/maintain-context && rm -rf skills-srcUse ~/.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/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .claude/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-contextType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install ai-analyst-lab/ai-analyst maintain-context --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/maintain-context .agents/skills/maintain-context && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .agents/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install ai-analyst-lab/ai-analyst maintain-context --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/maintain-context .cursor/skills/maintain-context && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .cursor/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/ai-analyst-lab/ai-analyst.git --path .claude/skills/maintain-context--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install ai-analyst-lab/ai-analyst maintain-context --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/maintain-context .gemini/skills/maintain-context && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .gemini/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install ai-analyst-lab/ai-analyst maintain-contextInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/maintain-context .github/skills/maintain-context && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .github/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install ai-analyst-lab/ai-analyst maintain-context --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/ai-analyst-lab/ai-analyst.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/maintain-context .opencode/skills/maintain-context && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "maintain-context" agent skill from https://github.com/ai-analyst-lab/ai-analyst/tree/main/.claude/skills/maintain-context into .opencode/skills/maintain-context/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "maintain-context", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
maintain-contextCreate or revise a business guide, reviewed query, semantic model, relationship or metric in the configured context store.
Maintain Context is an agent skill from ai-analyst-lab/ai-analyst. Create or revise a business guide, reviewed query, semantic model, relationship or metric in the configured context store. Use for context authoring and migration; use improve-context for diagnosing evaluation failures and comparing changes.
Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It works with SQL. The repository describes itself as: AI Product Analyst — Claude Code-powered data analysis toolkit. The licence is MIT.
6 steps, taken from the first numbered list in SKILL.md.
Read from SKILL.md and the folder at commit 52c0744. It shows what the files ask for, not the result of running them.
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.
Shell commands in SKILL.md call:
pythonFrom the folder's file list and the shell code blocks in SKILL.md.
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Maintain Context loads about 1.1k tokens when it runs. Until then it costs about 65 tokens; SKILL.md has 527 words of instructions outside code blocks.
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.
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.
The full file from ai-analyst-lab/ai-analyst at commit 52c0744, republished under its MIT licence (© ai-analyst-lab). 527 words, ~1,069 tokens.
.claude/skills/maintain-context/SKILL.md (or your agent's skills folder).Read docs/CONNECTED-CONTEXT.md for the implemented commands and storage contract.
Resolve the actual context source, inspect its catalog and look for existing resources before adding another.
templates/semantic/<kind>.yaml for a model, metric or relationship;
use templates/guide.yaml or templates/query.yaml for guides or approved SQL entries.
Scaffold a draft without overwriting: python -m helpers.connected_context --dataset DATASET scaffold KIND ID.
Do not create a duplicate source document by default. Models, metrics and relationships are separate resources
within one semantic layer, stored in datasets/DATASET/semantic/{models,metrics,relationships}/.
Measures and dimensions belong inside models. Only add relationships when models need to join.
Query entries reference reviewed SQL files, not saved metric requests; call metrics directly.source_references with its title, URL, owner, actual reviewed_on date and version if known.
These citations are not automatically fetched or monitored; never invent a source or inspection.
In guides, use refs for required local dependencies (or an empty list) and
implementations for optional metric/query links; business approval does not approve the linked code.
Calculations implementing a guide reference it through refs; review the guide before its models
and metrics. The guide's optional reverse implementation link is not a dependency cycle.
Reuse model/metric IDs. Keep evaluator expected outputs out of
context. Review calculations independently and ask before executing queries if not already authorized.validate command. Show meaning and implementation changes separately and stop
for the user's review. Passing tests do not approve a business policy.
Before review, inspect the actual guide prose for field mappings, join instructions or code.
Verify complete business meaning survived and implementation links are accurate. Validation
alone does not check this separation. Preserve displaced technical facts in their proper
resources, and never report old evaluation passes as evidence for revised guide content.review KIND ID --reviewer PERSON --approval-note NOTE --reviewed-on DATE --review-after DATE. Record the real decision; do not fabricate a reviewer or
note to make a draft executable. Review dependencies first. No publishing without authorization.For migration, preview first and inspect legacy callers. Preserve the Session 7 definition and personal
context. Source/formula edits invalidate dependent reviews: do not silently refresh hashes. Unapproved
resources stay draft. Existing context improvements and before/after evals use /improve-context.
© ai-analyst-lab, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in .claude/skills/maintain-context of ai-analyst-lab/ai-analyst.
Open the folder on GitHubat commit 52c0744
Maintain 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Maintain Context this skillai-analyst-lab/ai-analyst | 304 | — | ~1.1k | Automated safety check: Pass | MIT | |
| Excel and CSV Data Analysisbytedance/deer-flow | 83k | 4 repos | ~2.2k | Automated safety check: Pass | MIT | |
| Clickhouse Logs Queriessupabase/supabase | 111k | — | ~2.4k | Automated safety check: Pass | Apache-2.0 | |
| Review PRapache/shardingsphere | 21k | — | ~6.4k | Automated safety check: Pass | Apache-2.0 | |
| Django Filter Benchmarksaleor/saleor | 23k | — | ~2.3k | Automated safety check: Pass | BSD-3-Clause | |
| Geoflowyaojingang/GEOFlow | 3.8k | — | ~722 | Automated safety check: Pass | AGPL-3.0 |
bytedance/deer-flow
Analyzes uploaded Excel and CSV files with SQL through DuckDB, producing schema inspections, statistical summaries and exports to CSV, JSON or Markdown.
supabase/supabase
Write, review, and migrate Supabase logs queries against the ClickHouse-backed logs table (the logs.all.otel analytics endpoint).
apache/shardingsphere
Review Apache ShardingSphere or user-authorized downstream pull requests and PR discussions from public or authorized repository evidence.
saleor/saleor
Benchmarks Django ORM filters in Saleor by generating bulk data, extracting the SQL and running EXPLAIN ANALYZE to check index usage.
yaojingang/GEOFlow
Operate/develop GEOFlow CLI/Laravel/admin/API, topics/专题 and topic tasks, theme libraries/replication, sites/leads/Agent, channel sync and legacy yao-geoflow-cli/design/template migration.
AvdLee/RocketSimApp
When the user wants help with revenue operations, lead lifecycle management, or marketing-to-sales handoff processes.
ai-analyst-lab/ai-analyst
Never present a metric or number in isolation; anchor every number to a comparison (prior period, benchmark, or another segment) or state that none is available.
ai-analyst-lab/ai-analyst
Retrieve proven SQL patterns, table cheatsheets, and join patterns from .knowledge/query-archaeology/ so past work gets reused.
ai-analyst-lab/ai-analyst
Save completed analyses to the knowledge system's analysis archive for future reference.
ai-analyst-lab/ai-analyst
Verify Google Workspace MCP authentication at the start of any session that needs Google APIs (Docs, Slides, Drive).
ai-analyst-lab/ai-analyst
Causal inference toolkit for when experiments are not possible: estimate treatment effects from observational data with assumption checks and mandatory caveats.
ai-analyst-lab/ai-analyst
Standardized workflow for uploading local chart PNGs to Google Drive and making them available for insertion into Google Docs and Slides.
Works with
Create or revise a business guide, reviewed query, semantic model, relationship or metric in the configured context store. Maintain Context is an agent skill from ai-analyst-lab/ai-analyst. Create or revise a business guide, reviewed query, semantic model, relationship or metric in the configured context store.
Maintain Context fits situations like: context authoring and migration; use improve-context for diagnosing evaluation failures and comparing changes.
Run `npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a claude-code`. Or copy the skill folder (.claude/skills/maintain-context in ai-analyst-lab/ai-analyst) into .claude/skills/maintain-context in your project. Claude Code loads it when a task matches its description.
Run `npx skills add ai-analyst-lab/ai-analyst --skill maintain-context -a codex`. Or copy the skill folder (.claude/skills/maintain-context in ai-analyst-lab/ai-analyst) into .agents/skills/maintain-context in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add ai-analyst-lab/ai-analyst --skill maintain-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/maintain-context, .gemini/skills/maintain-context, .github/skills/maintain-context and .opencode/skills/maintain-context in your project.
Going by SKILL.md and its folder, Maintain Context needs the command-line tools its instructions call (python). Our summary lists: Python 3.
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.
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.
Maintain Context is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
About 1.1k tokens (SKILL.md is roughly 4.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Maintain Context: Excel and CSV Data Analysis (bytedance/deer-flow, 83k stars), Clickhouse Logs Queries (supabase/supabase, 111k stars), Review PR (apache/shardingsphere, 21k stars) and Django Filter Benchmark (saleor/saleor, 23k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
ai-analyst-lab (a GitHub organization) maintains it in ai-analyst-lab/ai-analyst, which has 304 GitHub stars. The repository holds 43 skills in this directory. The repository was last updated on September 30, 2026.
Source: ai-analyst-lab/ai-analyst on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.