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open_project

Open REAPER project files (.rpp) using absolute paths to access and edit audio projects within the digital audio workstation.

Instructions

Open a REAPER project file (.rpp) by its absolute path.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
file_pathYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • Low-level handler in the adapter that communicates with the REAPER bridge client.
    def open_project(self, file_path: str) -> dict[str, Any]:
        return self._client.call("open_project", file_path=file_path)
  • Tool registration and handler wrapper in the server file.
    def open_project(file_path: str) -> dict[str, Any]:
        """Open a REAPER project file (.rpp) by its absolute path."""
        try:
            return _wrap(adapter.open_project(file_path=file_path))
        except Exception as exc:
            return _err(exc)
Behavior2/5

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

No annotations provided, so description carries full burden. States the action but omits critical behavior: whether current project is closed, what happens if file doesn't exist, or if this triggers UI dialogs. 'Open' implies mutation of application state without clarifying scope.

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

Conciseness5/5

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

Single sentence, front-loaded with action verb, zero redundancy. Efficiently communicates file type requirement and path constraint without extraneous text.

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

Completeness3/5

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

Adequate for a single-parameter tool with output schema present. Description identifies the domain-specific file format (.rpp) which is essential context, but gaps remain in behavioral coverage given zero annotation support.

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?

Schema coverage is 0% (file_path property lacks description). Description compensates by specifying 'absolute path', adding crucial semantic constraint that distinguishes it from relative paths. Strong value-add for the single parameter.

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

Purpose4/5

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

Clear verb 'Open' with specific resource 'REAPER project file (.rpp)'. Mentioning the file extension distinguishes it from generic project operations and implies it works with existing files (vs sibling new_project).

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

Usage Guidelines2/5

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

Provides no guidance on when to use this vs new_project, no mention of prerequisites (file must exist), and no warnings about closing current projects or overwriting unsaved changes.

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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