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Automate Nango tasks via Rube MCP (Composio). Always search tools first for current schemas.
Passed 11 of 18 test cases with the skill, and 6 of 18 without it.
and 7 more in the full report
7 fixed6 passed either way8 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
Write the JSON payload for RUBE_SEARCH_TOOLS when initializing a brand new session to search for Nango connection tools.
| Checked | Without skill | With skill |
|---|---|---|
| Sets generate_id to true inside the session object | Missed | Passed |
The instructions your model reads when the skill loads.
Automate Nango operations through Composio's Nango toolkit via Rube MCP.
Toolkit docs: composio.dev/toolkits/nango
RUBE_MANAGE_CONNECTIONS with toolkit nangoRUBE_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 nangoAlways discover available tools before executing workflows:
RUBE_SEARCH_TOOLS
queries: [{use_case: "Nango 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 Nango task"}]
test cases passed, vs 6 / 18 without
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