Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/rcosteira79/android-skills/android-source-searchnpx skills add rcosteira79/android-skills --skill android-source-searchgit clone --depth 1 https://github.com/rcosteira79/android-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/rcosteira79/android-skills/android-source-search)<a href="https://agentmods.dev/skills/rcosteira79/android-skills/android-source-search"><img src="https://agentmods.dev/badge/skills/rcosteira79/android-skills/android-source-search.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00060 | $0.00786 |
| Opus 5 | $0.00030 | $0.00393 |
| Sonnet 5 | $0.00012 | $0.00157 |
| Haiku 4.5 | $0.00006 | $0.00079 |
Grade A, and why
android-source-search scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Android Source Search
Two source trees, two access strategies. AOSP lives on android.googlesource.com (Gitiles); AndroidX lives on GitHub. cs.android.com blocks automated fetching — it's a human-browse JS SPA only (never WebFetch it).
Preferred: the android-sources MCP
If mcp__android-sources__* tools are available, always prefer them over WebFetch/gh — local source, sub-10ms lookups:
| Goal | MCP tool |
|---|---|
| Find a class by name/pattern | search_classes (glob, e.g. *ViewModel*) |
| Read full class / a method / its members | lookup_class / lookup_method / list_class_members |
| Class hierarchy | get_class_hierarchy |
| Search text/regex across sources | search_in_source |
| List AndroidX artifact versions | list_available_versions |
| Definition / references / type info (LSP) | goto_definition / find_references / get_type_info |
Fall back to the WebFetch/gh strategies below only when the MCP tools aren't available.
Fallback: WebFetch + gh
AOSP (framework internals, @hide APIs, internal constants, default attr values) → Gitiles. Raw text is base64-encoded and smaller:
https://android.googlesource.com/platform/frameworks/base/+/refs/heads/main/{path}?format=TEXT
Use refs/heads/main (the active default branch), or a tag like android-14.0.0_r74 for a specific API level. Key repos: platform/frameworks/base (core/java/android/ → View/Activity/Context; services/core/java/ → system services; core/res/ → default attrs/styles), platform/libcore (ojluni/src/main/java/ → Java core).
AndroidX (androidx.* source + samples) → GitHub. File content via raw.githubusercontent.com; directory listings via gh api:
https://raw.githubusercontent.com/androidx/androidx/androidx-main/{path}
gh api repos/androidx/androidx/contents/{path} --jq '.[].name'
Samples live next to the source as {ClassName}Samples.kt under a samples/ subpath. Key path prefixes: Compose UI compose/ui/ui/src/commonMain/kotlin/androidx/compose/ui/, Foundation compose/foundation/foundation/src/commonMain/kotlin/, Animation compose/animation/animation/src/commonMain/kotlin/. AndroidX is mirrored on Gitiles (platform/frameworks/support, androidx-main), but the GitHub layout is the canonical, better-documented path for androidx.* — prefer it.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 53 lines · 60 tokens per session scan A da3f4612c09e
android-source-search is a skill published in the GitHub repository rcosteira79/android-skills (136 stars, last pushed 11d ago), licensed MIT. It adds 60 tokens to every session and 786 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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