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Automate Mx Toolbox tasks via Rube MCP (Composio). Always search tools first for current schemas.
Passed 16 of 19 test cases with the skill, and 7 of 19 without it.
and 14 more in the full report
11 fixed7 passed either way3 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
During tool discovery via RUBE_SEARCH_TOOLS, one of the discovered tool results contains a schemaRef instead of a full inline parameter schema. Which tool should be called to retrieve the complete schema?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies calling RUBE_GET_TOOL_SCHEMAS for tools that return a schemaRef. | Missed | Passed |
The instructions your model reads when the skill loads.
Automate Mx Toolbox operations through Composio's Mx Toolbox toolkit via Rube MCP.
Toolkit docs: composio.dev/toolkits/mx_toolbox
RUBE_MANAGE_CONNECTIONS with toolkit mx_toolboxRUBE_SEARCH_TOOLS first to get current tool schemasGet Rube MCP: Add https://rube.app/mcp as an MCP server in your client configuration. No API keys needed — just add the endpoint and it works.
RUBE_SEARCH_TOOLS respondsRUBE_MANAGE_CONNECTIONS with toolkit mx_toolboxAlways discover available tools before executing workflows:
RUBE_SEARCH_TOOLS
queries: [{use_case: "Mx Toolbox operations", known_fields: ""}]
session: {generate_id: true}
This returns available tool slugs, input schemas, recommended execution plans, and known pitfalls.
RUBE_SEARCH_TOOLS
queries: [{use_case: "your specific Mx Toolbox task"}]
test cases passed, vs 7 / 19 without
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