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Heretek-RE

re-angr

by Heretek-RE

check_angr

Verifies angr installation by checking CLI binary and Python import. Returns OK only when both are available; warns with install instructions otherwise.

Instructions

Return angr-cli + angr package version + Python import probe.

Reports WARN (not ERROR) when the helper or the Python module is not importable. The fallback chain for the CLI binary: $RE_ANGR_CLI_PATH -> <server>/bin/angr-cli -> PATH. The Python import probe (added in v2.9.1 to fix Gap 23) runs import angr; import cle in a subprocess using the same Python interpreter the MCP server runs under. The CLI check alone is insufficient: the CLI can be installed while the server's interpreter lacks the angr package, which causes downstream tools (build_cfg, symbolic_exec, reaching_definitions) to emit No module named 'angr'.

Status is OK only when BOTH the CLI is present AND the Python import probe succeeds. Otherwise status is WARN with a concrete install hint.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description thoroughly explains the fallback chain, the import probe logic, the distinction between CLI and Python import, and the conditions for OK vs WARN status, which is highly transparent.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but well-structured, with clear explanations. It could be slightly more concise, but every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately explains the return status (OK/WARN) and provides concrete install hints, making it complete for its purpose.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has no parameters, and the schema coverage is 100%. The description does not need to add parameter info, meeting the baseline for no parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool returns version info and import probe results. It distinguishes from siblings like build_cfg, reaching_definitions, and symbolic_exec by being a health check for angr dependencies.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies the tool should be used before running other angr tools to ensure dependencies are available, but it does not explicitly state when to use it or mention alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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