Best for
- Developers using Deno as their runtime who want reliable structured output for AI agents.
- Agent integrations that need to reduce token usage and avoid parsing terminal text.
P
39FMRS · D
The Pare Deno server focuses on structured output for Deno runtime operations, providing typed JSON via MCP to reduce token consumption and avoid text parsing issues. It wraps only the Deno tool, making it suitable for agent scenarios that require reliable data sets.
Pare Deno is an MCP server from the Pare toolkit that wraps the Deno CLI to return structured, schema-validated JSON instead of raw terminal text. This provides AI agents with predictable, typed data they can act on directly, avoiding fragile text parsing. The server is distributed via the npm package @paretools/deno, uses stdio transport, and conforms to the Model Context Protocol.
Tools
The tool list has not been reviewed yet.
Setup
Install the @paretools/deno package via npm and configure it in your MCP client with stdio transport. For example, in Claude Desktop's config, add something like "command": "npx", "args": ["-y", "@paretools/deno"].
Fit and risk
Not for
- Simple Deno interactions where structured output is not required.
- Projects using other runtimes (e.g., Node.js).
Required permissions
- System permissions to execute Deno commands.
- Access to files in the working directory (depending on the Deno commands run).
Risks and side effects
- Malicious or misconfigured Deno commands could cause system damage.
- Exposing too many tools without proper filtering could increase attack surface.
Troubleshooting
- Ensure Node.js version >= 20.
- If npx is not found, use `cmd /c npx` (Windows) or an absolute path.
- First start may be slow; pre-cache by running `npx -y @paretools/deno`.
- If MCP connection times out, increase client timeout settings (e.g., `MCP_TIMEOUT`).
Use cases
Execute Deno scripts in AI coding assistants and obtain structured results.
Automate Deno project tasks (like running tests or installing dependencies) and integrate into agent workflows.
Supported clients
Claude DesktopFull support
Claude CodeFull support
CursorFull support
VS CodeFull support
WindsurfFull support
ClineFull support
Roo CodeFull support
OpenAI CodexFull support
Gemini CLIFull support
ZedFull support
Continue.devFull support