Automate RingCentral tasks via Rube MCP (Composio): calls, messages, meetings, and unified communications. Always search tools first for current schemas.
SkillScore64Maintained
Automatic
◆Support pack
Last verified 8/19/2026
What it changes
Passed 13 of 21 test cases with the skill, and 5 of 21 without it.
Without skill23%
With skill64%
Checks it passed that the model alone missed
Uses RUBE_SEARCH_TOOLS to find fax log tools
Uses RUBE_SEARCH_TOOLS to discover voicemail tools
Specifies https://rube.app/mcp as the server endpoint
and 9 more in the full report
9 fixed5 passed either way8 still failing0 broke
Pass-rate lift
+41 pp
Tokens
+17%
Agent turns
0%
Response time
-35%
Model gemini-3.6-flashMeasured 8/19/2026v114 of 22 cases passed with skill · 21 comparable
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 9
Prompt
When calling RUBE_MULTI_EXECUTE_TOOL to execute a discovered function, what should be provided for the memory parameter if no persistent context is being stored?
What was checked, without and with the skill
Checked
Without skill
With skill
Sets the memory parameter to an empty dictionary in RUBE_MULTI_EXECUTE_TOOL
Missed
Passed
case-18 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md103 linessingle file
RingCentral Automation via Rube MCP
Automate RingCentral operations through Composio's RingCentral toolkit via Rube MCP.