> ## Documentation Index
> Fetch the complete documentation index at: https://www.voiceflow.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# vf mcp-tool execute

> vf mcp-tool execute: execute MCP tool. Requires --environment-alias, --project-id and --tool-id, with a worked example.

Call one MCP tool once on its server with the given arguments, without a conversation.

## Usage

```bash
vf mcp-tool execute [flags]
```

## Examples

```bash
  vf mcp-tool execute --tool-id <id> --project-id <id> --environment-alias <value>
```

## Flags

```text
      --body string                Request body as JSON (alternative to individual flags). Can also be provided via stdin.
  -e, --environment-alias string   [required]
  -h, --help                       help for execute
  -i, --inputs string              The tool's arguments, keyed by argument name and typed as its JSON Schema says; see get_schema. A top-level string value follows the ExecuteInputString rules, so {secret_name} inserts a project secret. Secrets work only at the top level: inside a nested object or array, {secret_name} is sent as written and no secret is filled in.
  -p, --project-id string          [required]
  -t, --tool-id string             [required]
```

## Global flags

These flags are inherited from the parent command and work on every invocation.

```text
      --agent-mode             Enable structured errors and default TOON output for AI coding agents. Automatically enabled when a known agent environment is detected (CLAUDE_CODE, CURSOR_AGENT, etc.). Use --agent-mode=false to disable.
      --color string           Control colored output: auto (color when output is a TTY), always, or never. Respects NO_COLOR and FORCE_COLOR env vars. (default "auto")
  -d, --debug                  Log request and response diagnostics to stderr
      --dry-run                Preview the request that would be sent without executing it (output to stderr)
  -H, --header stringArray     Set a custom HTTP request header (format: "Key: Value"). Can be specified multiple times.
      --include-headers        Include HTTP response headers in the output
  -q, --jq string              Filter and transform output using a jq expression (e.g., '.name', '.items[] | .id')
      --no-interactive         Disable all interactive features (auto-prompting, explorer auto-launch, TUI forms)
  -o, --output-format string   Specify the output format. Options: pretty, json, yaml, table, toon. (default "pretty")
      --server-url string      Override the default server URL
      --timeout string         HTTP request timeout (e.g., 30s, 5m, 100ms)
      --token string           Voiceflow bearer token
      --usage                  Print the CLI Usage schema in KDL format
```

## See also

- [vf mcp-tool](/docs/cli/commands/mcp-tool) - Operations for mcp-tool