# Mcp Workbench

> Self-hosted MCP server workbench for connection testing, tool discovery, and invocation

- **Type:** MCP server
- **Install:** `agentstack add mcp-andrii2g-mcp-workbench`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [andrii2g](https://agentstack.voostack.com/s/andrii2g)
- **Installs:** 0
- **Category:** [Integrations](https://agentstack.voostack.com/c/integrations)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [andrii2g](https://github.com/andrii2g)
- **Source:** https://github.com/andrii2g/mcp-workbench

## Install

```sh
agentstack add mcp-andrii2g-mcp-workbench
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# MCP Workbench

MCP Workbench is a lightweight, self-hosted dashboard for testing Model Context Protocol
servers. Register local stdio or remote HTTP servers, inspect their tools, and invoke
tools manually without an LLM or model-provider account.

## Features

- Stdio and Streamable HTTP MCP transports
- Server connection, ping, and runtime inspection
- Tool discovery, schema inspection, and invocation
- Versioned local JSON registry
- Environment-based secret references
- Static browser UI and versioned HTTP API
- .NET 10 Native AOT publishing

## Screenshots

Click a thumbnail to view the full-size screenshot.

  
  
  
  

## Quick Start

Requires the [.NET 10 SDK](https://dotnet.microsoft.com/download/dotnet/10.0).

```powershell
git clone https://github.com/andrii2g/mcp-workbench.git
cd mcp-workbench
dotnet restore McpWorkbench.slnx --force-evaluate
dotnet run --project src/McpWorkbench
```

Keep that terminal running, then open
[http://127.0.0.1:5070](http://127.0.0.1:5070).

For native executable, Docker, API-key, and first-server instructions, see the
[Quick Start guide](docs/QUICKSTART.md).

## Documentation

- [Quick Start](docs/QUICKSTART.md)
- [Configuration and persistence](docs/CONFIGURATION.md)
- [HTTP API](docs/API.md)
- [Architecture](docs/ARCHITECTURE.md)
- [MCP integration](docs/MCP-INTEGRATION.md)
- [Security](docs/SECURITY.md)
- [Native AOT](docs/NATIVE-AOT.md)
- [Testing](docs/TESTING.md)

Examples are available in [samples/servers.example.json](samples/servers.example.json)
and [requests/McpWorkbench.http](requests/McpWorkbench.http).

## License

Licensed under the [MIT License](LICENSE). Copyright (c) 2026 [andrii2g](https://github.com/andrii2g).

## Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [andrii2g](https://github.com/andrii2g)
- **Source:** [andrii2g/mcp-workbench](https://github.com/andrii2g/mcp-workbench)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/mcp-andrii2g-mcp-workbench
- Seller: https://agentstack.voostack.com/s/andrii2g
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.