mcp-server
An MCP (Model Context Protocol) server (implemented in Go) that connects an LLM/agent to the Firebolt Data Warehouse. It exposes MCP tools for browsing Firebolt documentation, establishing Firebolt connections, executing SQL queries, and searching docs. It runs as a stdio-based MCP server by default, with optional SSE transport, and can be deployed via Docker or a binary. Authentication is done using Firebolt service-account credentials (client ID/secret) or via a Firebolt Core URL.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Authentication is based on Firebolt service-account client ID/secret or Core URL. The README shows secrets passed via CLI args/env variables (not in code snippets), but it does not document how secrets are stored, redacted, or logged, nor does it describe fine-grained tool authorization (all-or-nothing capabilities at the MCP level are implied). The server supports running with --network host in Docker examples, which can increase exposure if not constrained by your environment network policies. No CSP/SSRF/query-safety controls are documented; since it can execute SQL, additional guardrails are recommended when used with autonomous agents.
⚡ Reliability
Best When
You want to integrate an MCP-capable LLM client (Cursor/VS Code Copilot Chat/Claude Desktop/others) with Firebolt for doc-aware SQL querying and analysis, and you can supply Firebolt service-account credentials (or a Firebolt Core URL).
Avoid When
You need a traditional REST/GraphQL API surface rather than MCP, or you require fine-grained, per-query authorization/permissions enforced at the MCP layer (not documented here).
Use Cases
- • Enable LLM/agent assistants to query Firebolt data warehouses via MCP tools
- • Let agents browse/search Firebolt SQL/function/documentation from within an MCP workflow
- • Connect multiple Firebolt engines/workspaces for agent-driven analysis
- • Provide “docs proof” gating before allowing connection/querying to reduce missing-context failures
Not For
- • Interactive, low-latency chat use cases that cannot tolerate extra steps (e.g., docs-read proof and/or doc/resource-heavy MCP calls)
- • Environments where exposing database query capabilities to an autonomous agent is not acceptable without additional guardrails
- • Clients that cannot integrate MCP over stdio or SSE
Interface
Authentication
README indicates authentication is done via Firebolt service-account credentials or a Firebolt Core URL. No explicit per-scope authorization model is described for MCP tools.
Pricing
No pricing details are provided for the MCP server itself; Firebolt usage costs (if any) would depend on the Firebolt plan.
Agent Metadata
Known Gotchas
- ⚠ Cursor may not work because the server uses MCP resources heavily; set FIREBOLT_MCP_DISABLE_RESOURCES=true to mitigate
- ⚠ The default firebolt_connect tool requires an LLM to present a read proof of Firebolt docs first; this can increase latency and token usage; disable via --skip-docs-proof / FIREBOLT_MCP_SKIP_DOCS_PROOF
Alternatives
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Scores are editorial opinions as of 2026-03-30.