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Results / mcp-sqlite

mcp-sqlite

version tested 1.0.9npmtested 2026-10-13Sealmark 0.2.1methodology 0.3-draftSTANDARD run8 tools
A
Protocol4/4 points
F
SQLite1/7 pointscritical: sqlite-mutating-sql, sqlite-file-read, sqlite-file-write

Coverage: low (1 of 8 tools reached with a valid call).

Protocol checks

CheckVerdictWhat happened
protocol
Valid MCP handshake and tool schemas
passhandshake ok, 8 well-formed tool(s)
tool-poisoningcritical
No tool-poisoning indicators in tool metadata
passscanned 8 tool definition(s), including parameter text: nothing suspicious
robust-input
Survives malformed tool input
pass24 invalid call(s) rejected cleanly
secret-echocritical
No environment secret echoed in responses
passcanary secrets absent from tools/list and 24 captured response(s)

SQLite checks

CheckVerdictWhat happened
sqlite-read-only
SQLite: read-only by default
failwrites executed on every SQL tool (query)
sqlite-mutating-sqlcritical
SQLite: mutating SQL blocked
failEXECUTED: comment-obfuscation, cte-insert, replace-into, upsert, create-table, alter-table, drop-table, pragma-user-version, pragma-journal-mode; 1 of 10 blocked
sqlite-file-readcritical
SQLite: no reading of other files
faila database outside the fixture was attached and read through every tool
sqlite-file-writecritical
SQLite: no writing of other files
failfiles were written to the canary directory through every tool
sqlite-extension-loadcritical
SQLite: no loading of extensions
passextension loading was refused on 1 tool(s)
sqlite-rowcap
SQLite: row cap
failno row cap was in effect (see the evidence for what came back)
sqlite-timeout
SQLite: query timeout
faila runaway query was not cancelled

What was not covered

Run it yourself

Started with the standard settings like this; put it in sealmark.yaml as the server:

npx -y mcp-sqlite@1.0.9

Each of 613 verdicts was checked independently, and Sealmark was wrong on some: how reliable Sealmark is.

Think a verdict is wrong, or want a server removed? Email disclosure@sealmark.dev with the server version. We recheck, correct the page if we were wrong, and add your reply. See the disclosure policy.