Engine Whats New
flutter/flutter
Generates the "what's new" release summary and diff file for changes in the Flutter engine (//engine/src/flutter) between two releases (e.g., 3.47 vs 3.44).
A skill your agent uses when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects…
Install Bob Flutter Researcher
$ npx skills add AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcher --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/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .claude/skills/bob-flutter-researcher && 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 "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .claude/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcherType 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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcher --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .agents/skills/bob-flutter-researcher && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .agents/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcher --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .cursor/skills/bob-flutter-researcher && 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 "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .cursor/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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/AppsFlyerSDK/appsflyer-flutter-plugin.git --path .claude/skills/bob-flutter-researcher--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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcher --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .gemini/skills/bob-flutter-researcher && 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 "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .gemini/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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 AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcherInstalls 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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .github/skills/bob-flutter-researcher && 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 "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .github/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install AppsFlyerSDK/appsflyer-flutter-plugin bob-flutter-researcher --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/bob-flutter-researcher .opencode/skills/bob-flutter-researcher && 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 "bob-flutter-researcher" agent skill from https://github.com/AppsFlyerSDK/appsflyer-flutter-plugin/tree/master/.claude/skills/bob-flutter-researcher into .opencode/skills/bob-flutter-researcher/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "bob-flutter-researcher", 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
bob-flutter-researcher- GitHub stars
- 187
- Token cost
- ~1.1k tokens
- SKILL.md length
- 350 words
- Files
- 1
- Skills in repo
- 6
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects…
- Works in 4 steps: Check if research already exists → Find related features → Find related issue cases → …
- Performing research for AppsFlyer Flutter Plugin — investigating platform APIs
- SKILL.md covers Persona, Core Discipline, Research Document Format and Precision Rules, plus 4 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Bob Flutter Researcher is an agent skill from AppsFlyerSDK/appsflyer-flutter-plugin. Use when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects behavior. In feature work, Bob is invoked by Alice after Alice produces a PRD; do not invoke Bob as the entry point for feature requests.
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 sits in Mobile, covering Cross-platform mobile apps and PRD writing. It works with Flutter. The repository describes itself as: Flutter Plugin for AppsFlyer SDK. The licence is MIT.
When your agent uses it
- Performing research for AppsFlyer Flutter Plugin — investigating platform APIs
- Version behavior
- Any externally-controlled surface that affects behavior
Example prompts
- “/bob-flutter-researcher”
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Check if research already exists
- Find related features
- Find related issue cases
- State what existing docs cover and what gap this research fills.
What it can do on your machine
Read from SKILL.md and the folder at commit 3251787. 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 (its code samples are markdown).
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
Bob Flutter Researcher loads about 1.1k tokens when it runs. Until then it costs about 83 tokens; SKILL.md has 350 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 AppsFlyerSDK/appsflyer-flutter-plugin at commit 3251787, republished under its MIT licence (© AppsFlyerSDK). 350 words, ~1,088 tokens.
Download SKILL.mdSave it as
.claude/skills/bob-flutter-researcher/SKILL.md (or your agent's skills folder).- name
- bob-flutter-researcher
- description
- Use when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects behavior. In feature work, Bob is invoked by Alice after Alice produces a PRD; do not invoke Bob as the entry point for feature requests.
Bob — AppsFlyer Flutter Plugin Researcher
Persona
Domain researcher for AppsFlyer Flutter Plugin. Knows how platform APIs and external systems evolve across versions and what those changes mean for AppsFlyer Flutter Plugin behavior. Does not write implementation code — produces structured research documents that feed Dave's implementation work.
Core Discipline
Before starting any research
- Check if research already exists:
ls internal-docs/researches/ - Find related features:
grep -i "<topic>" internal-docs/features/INDEX.md - Find related issue cases:
grep -i "<topic>" internal-docs/issue-cases/INDEX.md - State what existing docs cover and what gap this research fills.
Required output
Every research task produces internal-docs/researches/R-NNN-slug.md. After writing:
- Flag which feature docs (F-NNN) should be updated based on findings — for Dave to action
After completing research
If findings reveal a previously undocumented behavior in an existing feature doc, state:
"Recommend updating F-NNN [feature name] — section [X] does not reflect [finding]."
Do not update feature docs directly; that is Dave's responsibility after reviewing the research.
Research Document Format
---
id: R-NNN
title: <descriptive title>
versions: <e.g. "iOS 14.0 – iOS 17.0" or "API v3+">
status: draft | complete | stale
date: YYYY-MM-DD
affects-features: [F-NNN, F-NNN]
related-issue-cases: [IC-NNN, IC-NNN]
---
## Summary
One paragraph: what was researched, why, and the key finding.
## API / Platform Details
The actual API, framework, or external behavior. Be precise about:
- Version introduced
- Signatures or contracts that matter
- Any platform policy or compliance implications
## Behavior by Version
| Version | Behavior | Notes |
|---------|----------|-------|
## SDK/Service Impact
What Dave needs to know:
- Which code paths are affected
- Whether existing implementation handles this correctly
- Edge cases the implementation must guard against
## Open Questions
Numbered list of unknowns requiring further investigation.
## References
- Primary documentation URL
- Relevant changelog, release note, or forum threadPrecision Rules
- Always state the version that introduced or changed the API — never write "recent" or "modern"
- When behavior changed in a point release, call it out explicitly
- Check whether behavior differs between environments (simulator vs device, staging vs prod)
- Note if API behavior differs by permission/consent status
Show full SKILL.md (155 more words)Show less
Documentation Conventions
- No personal names — use roles or ticket references
- Link to features with
F-NNNand issue cases withIC-NNN - If research leads to a potential new issue case, tag it
[potential-IC]
Alice Review Loop
After Bob presents any research findings, alice-pm is invoked automatically. Bob must address every challenge item Alice raises. The loop closes only when Alice explicitly writes "Satisfied — Bob, this is ready."
Reference
internal-docs/researches/TEMPLATE.md— blank templateinternal-docs/features/INDEX.md— feature catalog to cross-referenceinternal-docs/issue-cases/INDEX.md— historical bugs to cross-referenceinternal-docs/issue-cases/GUARDRAILS.md— engineering guardrails Bob's research should inform
Domain-Specific Notes
- Native AppsFlyer SDK changelogs/release notes for iOS (
AppsFlyerFramework) and Android (af-android-sdk) — this plugin bridges those SDKs and must track their behavior across versions. - Flutter's own plugin platform docs (MethodChannel/EventChannel, Swift Package Manager migration guidance, Android embedding versions).
- Apple/Google platform changelogs when they affect channel-level behavior (e.g. App Tracking Transparency, Play Install Referrer changes).
- pub.dev package guidelines when a research question touches how the plugin is published/consumed.
© AppsFlyerSDK, 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 .claude/skills/bob-flutter-researcher of AppsFlyerSDK/appsflyer-flutter-plugin.
Open the folder on GitHubat commit 3251787
Compare with similar skills
Bob Flutter Researcher 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 |
|---|---|---|---|---|---|---|
| Bob Flutter Researcher this skillAppsFlyerSDK/appsflyer-flutter-plugin | 187 | — | ~1.1k | Automated safety check: Pass | MIT | |
| Engine Whats Newflutter/flutter | 179k | — | ~978 | Automated safety check: Pass | BSD-3-Clause | |
| Flutter Cherry Pickflutter/flutter | 179k | — | ~1.8k | Automated safety check: Pass | BSD-3-Clause | |
| Upgrade Browserflutter/flutter | 179k | — | ~1.1k | Automated safety check: Pass | BSD-3-Clause | |
| Bump Dartflutter/flutter | 179k | — | ~1.2k | Automated safety check: Pass | BSD-3-Clause | |
| Run Devicelab With Ledflutter/flutter | 179k | — | ~786 | Automated safety check: Pass | BSD-3-Clause |
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Questions about Bob Flutter Researcher
What does Bob Flutter Researcher do?
A skill your agent uses when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects…. Bob Flutter Researcher is an agent skill from AppsFlyerSDK/appsflyer-flutter-plugin. Use when performing research for AppsFlyer Flutter Plugin — investigating platform APIs, version behavior, external docs, or any externally-controlled surface that affects behavior.
When should I use Bob Flutter Researcher?
Bob Flutter Researcher fits situations like: performing research for AppsFlyer Flutter Plugin — investigating platform APIs; version behavior; any externally-controlled surface that affects behavior.
How do I install Bob Flutter Researcher in Claude Code?
Run `npx skills add AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a claude-code`. Or copy the skill folder (.claude/skills/bob-flutter-researcher in AppsFlyerSDK/appsflyer-flutter-plugin) into .claude/skills/bob-flutter-researcher in your project. Claude Code loads it when a task matches its description.
How do I install Bob Flutter Researcher in Codex?
Run `npx skills add AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a codex`. Or copy the skill folder (.claude/skills/bob-flutter-researcher in AppsFlyerSDK/appsflyer-flutter-plugin) into .agents/skills/bob-flutter-researcher in your project. Codex loads it when a task matches its description.
Can I use Bob Flutter Researcher 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 AppsFlyerSDK/appsflyer-flutter-plugin --skill bob-flutter-researcher -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/bob-flutter-researcher, .gemini/skills/bob-flutter-researcher, .github/skills/bob-flutter-researcher and .opencode/skills/bob-flutter-researcher in your project.
What does Bob Flutter Researcher need to run?
SKILL.md names no scripts, command-line tools or credentials: Bob Flutter Researcher is instructions for the agent only.
Does Bob Flutter Researcher 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 Bob Flutter Researcher 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 Bob Flutter Researcher use?
Bob Flutter Researcher 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 Bob Flutter Researcher use?
About 1.1k tokens (SKILL.md is roughly 4.4k 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 Bob Flutter Researcher?
Skills that share tags, products or a category with Bob Flutter Researcher: Engine Whats New (flutter/flutter, 179k stars), Flutter Cherry Pick (flutter/flutter, 179k stars), Upgrade Browser (flutter/flutter, 179k stars) and Bump Dart (flutter/flutter, 179k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Bob Flutter Researcher?
AppsFlyerSDK (a GitHub organization) maintains it in AppsFlyerSDK/appsflyer-flutter-plugin, which has 187 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on September 15, 2026.
Source: AppsFlyerSDK/appsflyer-flutter-plugin on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.