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Automate Polygon IO tasks via Rube MCP (Composio). Always search tools first for current schemas.
Passed 14 of 18 test cases with the skill, and 4 of 18 without it.
and 13 more in the full report
12 fixed5 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which tool call verifies that Rube MCP is operational in the current context?
| Checked | Without skill | With skill |
|---|---|---|
| Mentions confirming a response from RUBE_SEARCH_TOOLS. | Missed | Passed |
The instructions your model reads when the skill loads.
Automate Polygon IO operations through Composio's Polygon IO toolkit via Rube MCP.
Toolkit docs: composio.dev/toolkits/polygon_io
RUBE_MANAGE_CONNECTIONS with toolkit polygon_ioRUBE_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 polygon_ioAlways discover available tools before executing workflows:
RUBE_SEARCH_TOOLS
queries: [{use_case: "Polygon IO 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 Polygon IO task"}]
test cases passed, vs 4 / 18 without
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