exact-online-mcp-server-by-cdata
Provides a locally hosted, read-only MCP server that exposes Exact Online data (via CData’s JDBC Driver for Exact Online) as MCP tools for listing tables/columns and executing SQL SELECT queries.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
The MCP server runs locally over stdio (reducing network exposure), but the README instructs embedding/placing a JDBC connection string and requires a JDBC driver license/auth setup. No guidance is provided on secret storage, log redaction, least-privilege, or how OAuth tokens are stored/handled by the JDBC driver. Rate limiting and operational safety controls are not documented at the MCP layer.
⚡ Reliability
Best When
You can run the MCP server on the same machine as the MCP client and you already have the required CData JDBC driver + credentials configured.
Avoid When
You need a network-accessible MCP/HTTP endpoint, strong documented operational guarantees (SLA, rate limits), or you require write/CRUD operations from this specific package.
Use Cases
- • Query Exact Online live data from an MCP-capable client (e.g., Claude Desktop)
- • Natural-language retrieval over relational-style views exposed by the CData JDBC driver
- • Exploratory discovery of available tables and columns for Exact Online data
Not For
- • Directly exposing a public/remote API endpoint (server is stdio/local)
- • Providing secure multi-tenant access over a network without additional infrastructure
- • Performing full CRUD actions (server is described as read-only)
Interface
Authentication
Authentication details are handled by the underlying CData JDBC driver; the MCP wrapper itself relies on a local .prp configuration that includes the JDBC URL/connection string.
Pricing
No free tier or pricing numbers are provided in the README content shown; cost depends on CData JDBC driver licensing and your Exact Online account/quotas.
Agent Metadata
Known Gotchas
- ⚠ Server uses stdio; only works with clients running on the same machine.
- ⚠ Read-only tools only: despite generic phrasing elsewhere, this specific project is stated as read-only; agents expecting writes/CRUD may fail.
- ⚠ Large/slow queries may be problematic because the interface encourages natural-language-to-SQL without explicit safeguards, limits, or result pagination (not documented).
Alternatives
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Scores are editorial opinions as of 2026-04-04.