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Implementation details for EF Core SaveChanges and the update pipeline.
OfficialMITAuto-check passed
Install Update Pipeline
$ npx skills add dotnet/efcore --skill update-pipeline -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install dotnet/efcore update-pipeline --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/dotnet/efcore.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/update-pipeline .claude/skills/update-pipeline && 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 "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .claude/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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/dotnet/efcore/tree/main/.agents/skills/update-pipelineType 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 dotnet/efcore --skill update-pipeline -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install dotnet/efcore update-pipeline --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dotnet/efcore.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/update-pipeline .agents/skills/update-pipeline && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .agents/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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 dotnet/efcore --skill update-pipeline -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install dotnet/efcore update-pipeline --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dotnet/efcore.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/update-pipeline .cursor/skills/update-pipeline && 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 "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .cursor/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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/dotnet/efcore.git --path .agents/skills/update-pipeline--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 dotnet/efcore --skill update-pipeline -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install dotnet/efcore update-pipeline --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dotnet/efcore.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/update-pipeline .gemini/skills/update-pipeline && 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 "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .gemini/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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 dotnet/efcore update-pipelineInstalls 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 dotnet/efcore --skill update-pipeline -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/dotnet/efcore.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/update-pipeline .github/skills/update-pipeline && 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 "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .github/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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 dotnet/efcore --skill update-pipeline -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install dotnet/efcore update-pipeline --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dotnet/efcore.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/update-pipeline .opencode/skills/update-pipeline && 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 "update-pipeline" agent skill from https://github.com/dotnet/efcore/tree/main/.agents/skills/update-pipeline into .opencode/skills/update-pipeline/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "update-pipeline", 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.
Facts
- Skill name
update-pipeline- GitHub stars
- 15k
- Token cost
- ~340 tokens
- SKILL.md length
- 105 words
- Files
- 1
- Skills in repo
- 17
- Repo updated
- First seen
- Licence
- MIT
At a glance
Implementation details for EF Core SaveChanges and the update pipeline.
- Changing CommandBatchPreparer
- SKILL.md covers Flow, Concurrency and Validation
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- UpdateSqlGenerator
What it does
Update Pipeline is an agent skill from dotnet/efcore, published by the product's own GitHub organization. Implementation details for EF Core SaveChanges and the update pipeline. Use when changing CommandBatchPreparer, UpdateSqlGenerator, ModificationCommand, or related classes.
Its SKILL.md is about 340 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: EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations. The licence is MIT.
When your agent uses it
- Changing CommandBatchPreparer
- UpdateSqlGenerator
- ModificationCommand
- Related classes
Example prompts
- “/update-pipeline”
What it can do on your machine
Read from SKILL.md and the folder at commit d2f4410. 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
Update Pipeline loads about 340 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 105 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.
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 dotnet/efcore at commit d2f4410, republished under its MIT licence (© dotnet). 105 words, ~340 tokens.
Download SKILL.mdSave it as
.claude/skills/update-pipeline/SKILL.md (or your agent's skills folder).- name
- update-pipeline
- description
- Implementation details for EF Core SaveChanges and the update pipeline. Use when changing CommandBatchPreparer, UpdateSqlGenerator, ModificationCommand, or related classes.
- user-invocable
- false
Update Pipeline
Converts tracked entity changes into database INSERT/UPDATE/DELETE commands during SaveChanges().
Flow
SaveChanges() → DetectChanges() → IDatabase.SaveChanges() → UpdateAdapter creates IUpdateEntry list → CommandBatchPreparer.BatchCommands()
→ ModificationCommand per table row, composed of ColumnModification per column
→ SharedTableEntryMap is used to track entries mapped to the same row
→ Topological sort via Multigraph (FK dependency ordering)
→ Groups into ModificationCommandBatch (respects max batch size)
→ UpdateSqlGenerator generates SQL per batch → BatchExecutor executes all batches in a transaction → StateManager.AcceptAllChanges()
Concurrency
Concurrency tokens → WHERE conditions on UPDATE/DELETE. AffectedCountModificationCommandBatch checks affected rows. Throws DbUpdateConcurrencyException on mismatch.
Validation
SaveChanges()returns expected affected row count- Store-generated values propagate back to entities after INSERT/UPDATE
DbUpdateConcurrencyExceptionthrown when expected for stale data
© dotnet, 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 .agents/skills/update-pipeline of dotnet/efcore.
Open the folder on GitHubat commit d2f4410
Compare with similar skills
Update Pipeline 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 |
|---|---|---|---|---|---|---|
| Update Pipeline this skilldotnet/efcore | 15k | — | ~340 | Automated safety check: Pass | MIT | |
| Etsy Product Detailbrowser-act/skills | 6.1k | — | ~2.3k | Automated safety check: Pass | MIT | |
| Task Detail PacketSeemSeam/claude_codex_bridge | 3.6k | — | ~633 | Automated safety check: Pass | Custom licence | |
| Goofish Item Detailbrowser-act/skills | 6.1k | 1 repos | ~1.5k | Automated safety check: Pass | MIT | |
| Taobao Product Detailbrowser-act/skills | 6.1k | — | ~1.6k | Automated safety check: Pass | MIT | |
| Xiaohongshu Note Detailbrowser-act/skills | 6.1k | — | ~2.1k | Automated safety check: Pass | MIT |
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Questions about Update Pipeline
What does Update Pipeline do?
Implementation details for EF Core SaveChanges and the update pipeline. Update Pipeline is an agent skill from dotnet/efcore, published by the product's own GitHub organization. Implementation details for EF Core SaveChanges and the update pipeline.
When should I use Update Pipeline?
Update Pipeline fits situations like: changing CommandBatchPreparer; updateSqlGenerator; modificationCommand; related classes.
How do I install Update Pipeline in Claude Code?
Run `npx skills add dotnet/efcore --skill update-pipeline -a claude-code`. Or copy the skill folder (.agents/skills/update-pipeline in dotnet/efcore) into .claude/skills/update-pipeline in your project. Claude Code loads it when a task matches its description.
How do I install Update Pipeline in Codex?
Run `npx skills add dotnet/efcore --skill update-pipeline -a codex`. Or copy the skill folder (.agents/skills/update-pipeline in dotnet/efcore) into .agents/skills/update-pipeline in your project. Codex loads it when a task matches its description.
Can I use Update Pipeline 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 dotnet/efcore --skill update-pipeline -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/update-pipeline, .gemini/skills/update-pipeline, .github/skills/update-pipeline and .opencode/skills/update-pipeline in your project.
What does Update Pipeline need to run?
SKILL.md names no scripts, command-line tools or credentials: Update Pipeline is instructions for the agent only.
Does Update Pipeline 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 Update Pipeline 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 Update Pipeline use?
Update Pipeline 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 Update Pipeline use?
About 340 tokens (SKILL.md is roughly 1.4k 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 Update Pipeline?
Skills that share tags, products or a category with Update Pipeline: Etsy Product Detail (browser-act/skills, 6.1k stars), Task Detail Packet (SeemSeam/claude_codex_bridge, 3.6k stars), Goofish Item Detail (browser-act/skills, 6.1k stars) and Taobao Product Detail (browser-act/skills, 6.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Update Pipeline?
dotnet (a GitHub organization, an official publisher) maintains it in dotnet/efcore, which has 14,800 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 8, 2026.
Source: dotnet/efcore on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.