Server data from the Official MCP Registry
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
Remote endpoints: streamable-http: https://app.stuntdouble.io/api/mcp
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
Endpoint verified · Requires authentication · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-stuntdouble-mcp-server": {
"url": "https://app.stuntdouble.io/api/mcp"
}
}
}From the project's GitHub README.
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
Stunt Double deploys AI agents with realistic user personas to validate user journeys at scale. Create actors, run automated workflows and checklists against any web app, and surface friction points before real users encounter them. Integrates with Claude, Linear, GitHub, and Slack.
This repo holds plugin and MCP configuration (.cursor-plugin/plugin.json, root mcp.json, server.json), plus skills, agents, and Cursor rules. There is no package.json and no runnable server here — the MCP endpoint is hosted at https://app.stuntdouble.io/api/mcp from the main Stunt Double codebase. See CONTRIBUTING.md for how to validate edits and avoid confusing this folder with a Node package.
claude mcp add --transport http stuntdouble https://app.stuntdouble.io/api/mcp
Go to Settings → Connectors → Add and paste:
https://app.stuntdouble.io/api/mcp
Add the mcpServers block below to an MCP config file:
.cursor/mcp.json at the root of your project.~/.cursor/mcp.json on macOS/Linux (see Cursor MCP docs for your OS).{
"mcpServers": {
"stuntdouble": {
"url": "https://app.stuntdouble.io/api/mcp"
}
}
}
Use only url for remote servers (Streamable HTTP is negotiated automatically). Extra keys such as "type": "streamable-http" are not part of Cursor's documented mcp.json shape and can break plugin validation.
Cursor marketplace (one-click install) expects a plugin layout: .cursor-plugin/plugin.json plus root mcp.json. Those files are in this repo. The plugin logo path is assets/logo.png (bundled in this repository). The server.json file is the separate MCP registry manifest for mcp-publisher and directory listings; Cursor's installer does not use it.
Authentication is handled automatically via OAuth 2.1 with PKCE. The first time your AI client connects, a browser window will open for you to sign in and authorise access to your Stunt Double account. No API keys or tokens required.
For Cursor, the OAuth redirect URI is fixed to cursor://anysphere.cursor-mcp/oauth/callback (docs).
| Tool | Description |
|---|---|
list_workspaces | List your workspaces |
get_workspace | Get workspace details by ID or slug |
list_workspace_members | List members of a workspace |
| Tool | Description |
|---|---|
list_projects | List projects in a workspace |
| Tool | Description |
|---|---|
list_actors | List active actors in a workspace |
get_actor | Get actor details including system prompt and capabilities |
create_actor | Create a new actor in a workspace |
update_actor | Update actor name, description, system prompt, capabilities, or status. Set status to "archived" to soft-delete |
| Tool | Description |
|---|---|
list_actor_knowledge | List knowledge entries for an actor |
add_actor_knowledge | Add a knowledge entry to an actor |
remove_actor_knowledge | Remove a knowledge entry |
| Tool | Description |
|---|---|
list_conversations | List conversations, optionally filtered by actor |
get_conversation | Get a conversation with its messages |
| Tool | Description |
|---|---|
list_checklists | List checklists in a workspace |
get_checklist | Get checklist details, checks, and recent runs |
get_checklist_run | Get a checklist run with per-check results |
run_checklist | Trigger a checklist run (async). Returns run ID |
| Tool | Description |
|---|---|
list_workflows | List workflows in a workspace |
get_workflow | Get workflow details with steps and recent runs |
run_workflow | Trigger a workflow run (async). Returns run ID |
get_workflow_run | Get a workflow run with step-level details |
| Tool | Description |
|---|---|
list_feedback | List feedback for a project, newest first |
get_feedback | Get a feedback submission with its replies |
update_feedback_status | Update feedback status |
| Prompt | Description |
|---|---|
stuntdouble_guide | Overview of Stunt Double MCP tools |
Admin operations (inviting/removing members, creating/updating/deleting workflows) are available in the web dashboard.
This server uses Streamable HTTP transport. The endpoint is:
https://app.stuntdouble.io/api/mcp
From the repo root:
node scripts/validate-json.mjs
npx --yes prettier@3.4.2 --check README.md mcp.json server.json .cursor-plugin/plugin.json
More context in CONTRIBUTING.md. GitHub Actions runs the same checks on push and pull requests.
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