Clearbar model verdicts

com.grain64/clearbarVersion 1.1.0

Cheapest LLM that passes each task: cost per successful task and pass rate on public datasets.

Status

Responds253 msNov 14, 2026, 14:00 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://clearbar.grain64.com/mcpResponds253 msNov 14, 2026, 14:00 UTC

No sign-in

claude mcp add --transport http clearbar https://clearbar.grain64.com/mcp

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Settings > Connectors > Add custom connector
Name: clearbar
Remote MCP server URL: https://clearbar.grain64.com/mcp

{
  "mcpServers": {
    "clearbar": {
      "url": "https://clearbar.grain64.com/mcp"
    }
  }
}

code --add-mcp '{"name":"clearbar","type":"http","url":"https://clearbar.grain64.com/mcp"}'

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2 tools

Tools of Clearbar model verdicts
	Description		Read-only	Idempotent	Open world
`get_verdict`The full verdict for one task: the cheapest model that clears the bar, its pass rate and cost per successful task in US dollars, the baseline model it is compared with, every candidate's status, plus links to the verdict page, the run file (JSON) and the script that re-runs it. Get the slug from list_verdicts.	The full verdict for one task: the cheapest model that clears the bar, its pass rate and cost per successful task in US dollars, the baseline model it is compared with, every candidate's status, plus links to the verdict page, the run file (JSON) and the script that re-runs it. Get the slug from list_verdicts.	No	Yes	Yes	No
`list_verdicts`Which LLM is the cheapest that still passes? Lists every published Clearbar verdict: the task, the pass bar, the cheapest passing model, its cost per successful task (retries and failures counted) and the page to check it. Optional filter by task type.	Which LLM is the cheapest that still passes? Lists every published Clearbar verdict: the task, the pass bar, the cheapest passing model, its cost per successful task (retries and failures counted) and the page to check it. Optional filter by task type.	No	Yes	Yes	No

Registry status: Active
Published: Nov 13, 2026
Updated: Nov 13, 2026
Website: https://clearbar.grain64.com/docs/#mcp⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): AI modelsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared