LSPosed/dexsql-release

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SQL for Android binaries.

Query classes, methods, strings, and call references in APK and DEX files. Connect it to an AI agent through MCP, or use it from the command line.

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AI agents can combine signatures, strings and call relationships in one SQL query across DEX files, returning just the structured results they need. Queries can be generated, refined and saved in scripts for reuse.

DexSQL reads DEX directly and reuses loaded datasets, supporting repeated queries with low latency and a small memory footprint. See the benchmarks for measurements.

The built-in MCP server connects directly to agents, with no GUI required.

flowchart LR
    A["AI client"] -->|stdio MCP| D["DexSQL"]
    D --> F["APK / DEX"]
    A -->|stdio MCP| P["JADX-MCP · Python"]
    P -->|HTTP| J["JADX GUI + plugin · JVM"]
    J --> F

Install the setup skill with the Skills CLI:

npx skills add LSPosed/dexsql-release --skill install-dexsql

Then ask your agent to use install-dexsql to install DexSQL and configure its MCP connection. In Codex, invoke it as $install-dexsql.

The skill downloads a compatible binary from Releases, verifies its SHA-256 checksum, adds the MCP configuration, and checks the connection. It can also use a local executable. The command above installs the skill; the agent performs the actual setup when you invoke it.

codex mcp add dexsql -- /absolute/path/to/dexsql mcp

{
  "mcpServers": {
    "dexsql": {
      "command": "/absolute/path/to/dexsql",
      "args": ["mcp"]
    }
  }
}

Once connected, try:

Open /path/to/app.apk. Find methods referencing this log message, list their callers, and show the relevant Smali.

The server provides its schema and documentation through MCP resources. APK parsing runs locally and leaves the input unchanged. The AI client's settings determine which results are sent to its model.

Eight queries run against the same QQ 9.3.55 APK, about 372 MiB: class and method lookup, string references, direct and two-hop callers, and compound predicates. The comparison includes JADX, zinja-coder's JADX-MCP, ASC, DexDec, ddc, garlic, and droidsaw.

Startup time includes process launch, loading and preparation, and the first exact class lookup; values are medians of three runs. The OS file cache was not flushed.

Queries use the median of nine repeats across three prepared workflows. garlic restarts MCP for each call; that cost is included. droidsaw CLI uses three separate invocations, each including loading. Each query uses one linear chart starting at zero. Bars exceeding the axis limit are clipped, marked with an arrow and labeled with their actual time. Hatched bars mean the query did not finish within 60 seconds. Gray entries explain missing comparisons.

Memory uses a 50 ms polling wait across the whole process tree. Light bars cover the common load-and-class-lookup workflow; dark bars cover each tool's executed cases. Summed RSS can count shared pages more than once. Private committed memory and the footprint at readiness are also recorded.

DexDec's reference cache makes its repeated caller query faster than DexSQL in this run. droidsaw's MCP rejects the input under its fixed parse budget, so its CLI is plotted. See the report for first-query and preparation times, interface differences, SQL, result hashes and reproduction scripts.

dexsql query --input app.apk --sql "SELECT DISTINCT method FROM method_strings WHERE value = 'https://api.example.com'"
dexsql query --input app.apk --interactive
dexsql extract licenses --output THIRD_PARTY_NOTICES
dexsql --help

Repeat --input to query multiple files together. The same executable provides the CLI and MCP server.

DexSQL is closed-source software from LSPosed, licensed under the DexSQL Binary License 1.0. Personal and commercial use, integration, and binary redistribution are free under its terms.

The public installation skill, benchmark materials, and documentation use the MIT License.

Third-party materials retain their own licenses. Run dexsql extract licenses to view their notices.