Does Paper Search MCP work with Claude Code?

Not in our test. In our test on 2026-10-15 (Claude Code 2.1.296 (Claude Code), plan: Claude Pro), Paper Search MCP failed the agent task.

Not in our test. Paper Search MCP installed in Claude Code but failed our agent task on Oct 15, 2026. Details of what went wrong are below.

Result

ResultFailed

Date testedOct 15, 2026

Plan tested onClaude Pro

App version2.1.296 (Claude Code)

Modelhaiku

install OK
connected Failed
tools visible Not runClaude Code CLI has no non-interactive tool-list command; tool visibility is checked in the task step
agent task: paper lookup FailedWhy it failed: no successful call to this server's tools; no tool result containing ['1706.03762']

From our own harness run, not the maker’s claims. How we test.

claude mcp add -s local paper-search-mcp -- uvx paper-search-mcp

paper-search-mcp: uvx paper-search-mcp - ✘ Failed to connect — CONNECTION_CLOSED: Connection closed

not_run

Raw details from our harness log for this run. Secrets redacted.

Copy-paste config for every app is on the Paper Search MCP page. Not connecting? Claude Code MCP troubleshooting.

Other apps we tested it in: Cursor (failed).