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googleapis/mcp-toolbox

MCP Toolbox for Databases is an open source MCP server for databases.

Healthy

Strong maintenance signals

MixedDependency

dependency CVE scan unavailable

HealthyFork & modify

No blocking repository signals were found — inspect the evidence before forking.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

MixedDeploy as-is

Scorecard "Branch-Protection" is 0/10; 1 cyclic import chain detected…

  • ⚠Scorecard: default branch unprotected (0/10)
  • ✓Last commit today
  • ✓33+ active contributors
  • ✓Distributed ownership (top contributor 16% of recent commits)
  • ✓Apache-2.0 licensed
  • ✓CI configured
  • ✓Tests present

What would improve this?

  • •Deploy as-is Mixed to Healthy if: bring "Branch-Protection" to ≥3/10 (see scorecard report)

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard

Informational only. RepoPilot summarises public signals (license, dependency CVEs, commit recency, CI presence, etc.) at the time of analysis. Signals can be incomplete or stale. Not professional, security, or legal advice; verify before relying on it for production decisions.

Repository brief

Repo brief: googleapis/mcp-toolbox

Generated by RepoPilot · document generated 2026-09-15 · concise human review Evidence snapshot · analyzed 2026-09-15T20:56:28.841Z · commit 5a6d865eff93

Verdict

Healthy — Strong maintenance signals

  • Last commit today
  • 33+ active contributors
  • Distributed ownership (top contributor 16% of recent commits)
  • Apache-2.0 licensed
  • 2 more receipts on the live page

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against OpenSSF Scorecard

What it is

MCP Toolbox for Databases is an open-source Model Context Protocol (MCP) server that exposes enterprise databases as AI-consumable tools for agents and IDEs. It provides both ready-to-use generic database tools for immediate MCP client integration (Gemini CLI, Claude Code, etc.) and a framework for building secure, specialized semantic search and NL2SQL capabilities at runtime. Layered monorepo: internal/auth/ (generic and Google-specific auth), internal/server/mcp/ (MCP protocol v20241105 and v20250326 implementations with jsonrpc transport), internal/prompts/ (argument and message templating for AI tools), internal/embeddingmodels/ (Gemini-backed embeddings), and…

Start here

Read these in order:

  • internal/sources/cache.go — Foundation: doesn't import anything internally and is imported by 139 other files. Read first to learn the vocabulary.
  • internal/util/parameters/common.go — Foundation: imported by 87, no internal dependencies of its own.
  • internal/prompts/arguments.go — Built on the foundation; imported by 33 downstream files.
  • internal/server/mcp/util/auth.go — Built on the foundation; imported by 13 downstream files.
  • internal/testutils/mocks.go — Layer 2 — composes lower-level code into reusable abstractions (imported 167×).

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone: git clone https://github.com/googleapis/mcp-toolbox.git && cd mcp-toolbox. Build: go build ./... or go build -o mcp-server ./cmd/server (inferred from module structure, verify go.mod for actual entry points…

Daily commands:

Verify actual entry point in repo, then: go run ./cmd/server (inferred). Requires database credentials via environment variables and likely a config file; see internal/server/config.go and `internal/prebuiltconfigs/…

…shortened for this brief.

Key cautions & unknowns

  • Scorecard: default branch unprotected (0/10)
    1. Database auth is environment-based: internal/auth/google/google.go expects Application Default Credentials or explicit service account JSON; local dev must set GCP credentials or database-specific env vars. 2.…
  • Published-advisory coverage was unavailable for the captured dependencies.
  • Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

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