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v1.0.2 — Glama install-test fix

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@mahAnuj mahAnuj released this 21 Jun 08:57
· 1 commit to main since this release
v1.0.2
09c6036

v1.0.2 — Boot tolerant of missing config file (Glama install-test fix)

A follow-up to v1.0.1's defensive-startup work.

The problem

Directory smoke tests (Glama, Smithery) inject MCP_DB_CONFIG=/app/config.json but don't always populate a file at that path. v1.0.1 only handled the case where neither env var was set — the path-set-but-file-missing case still crashed:

Fatal error in main(): Error: ENOENT: no such file or directory, open '/app/config.json'
    at readFileSync (node:fs:441:20)
    at loadRawFromEnv (file:///app/build/config.js:47:26)

The fix

  • MCP_DB_CONFIG points at a missing file → log a clear stderr hint, boot with an empty registry. (Was: fatal crash.)
  • MCP_DB_CONFIG points at an empty file → same.
  • MCP_DB_CONFIG is unreadable (permissions, corrupted JSON read) → same, with the underlying error in the log line.
  • { "databases": [] } is now a valid config shape. Useful for the new image-baked default and for users iterating on a fresh setup. Both databases.min(1) constraints relaxed; everything else (per-DB Zod validation, duplicate-id check) unchanged.
  • Default /app/config.json in the Docker image — a tiny {"databases": []} so directory harnesses that don't mount a config still find a valid file at the standard path.
  • Stricter logging: when MCP_DB_CONFIG is set but unreadable, we log one specific message instead of two redundant ones.
  • +3 tests covering the new paths: missing file, empty file, valid file at MCP_DB_CONFIG. Test count: 31 → 34, all passing.

Behaviour after the fix

$ MCP_DB_CONFIG=/missing/path.json npx mcp-multi-db
[mcp-multi-db] MCP_DB_CONFIG="/missing/path.json" was set but no file exists
at that path. Starting with an empty registry.
mcp-multi-db server running on stdio

The server stays alive and responds to MCP introspection. Add your config and restart to query.

Upgrade

npx mcp-multi-db@1.0.2

Or just npx mcp-multi-db — npm resolves to latest. No config-file changes required.

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