MCP gets stuck if database is next to binary file to open

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#8,569 opened on Sep 21, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 38/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Active
Tech stack: cpp
Domain: api, reverse-engineering

Research direction

Reproduce the issue with the provided curl request to the /mcp endpoint, using tools/call with bn_open_item_open on a binary file beside a database. Trace the MCP handling for this request and verify that opening the file no longer gets stuck in this directory arrangement.

Written by the indexing model from the issue text.

Description

Component: MCP Effort: Trivial Impact: High

curl -sS -X POST http://127.0.0.1:24642/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -H 'MCP-Session-Id: 86b3cbb2a4e07b70f08604913458aa88' --data '{"jsonrpc":"2.0","id":4,"method":"tools/call","params":{"name":"bn_open_item_open","arguments":{"path":"/Users/emesare/Documents/diffing test/before-clfs.sys","kind":"file","setActive":true}}}'

Dominant language: C++
Stars: 1.3k
Forks: 298
Avg merge: 4d 13h
Merged PRs (30d): 20

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