Turbo C MCP Server
Gives AI assistants a genuine Borland Turbo C 3.0 toolchain via MCP, enabling compile and run of real 16-bit DOS C programs with diagnostics and classic examples.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
MCP_C_COMPILE_TIMEOUT_MS10000 Per-compile timeoutMCP_C_MAX_OUTPUT_BYTES65536 Output cap returned to the modelMCP_C_RUN_COMMAND// "": "C:\\TURBOC3\\wrappers\\dosbox-run.bat"MCP_C_TIMEOUT_MS5000 Per-run execution timeoutMCP_C_WORKROOT…\mcp_work Scratch directory for sessionsTASM_COMMANDTCC_COMMAND// "": "C:\\TURBOC3\\wrappers\\dosbox-tcc.bat",TURBOC_BGI…\BGI BGI graphics driversTURBOC_INCLUDE…\INCLUDE Header search pathTURBOC_LIB…\LIB Library search pathTURBOC_ROOTBorland Turbo C 3.0 at C:\TURBOC3 (or set )Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
12/12 tools missing one or more hints — compile_and_run (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); compile_check (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); analyze_code (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +9 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
Shell command execution
2 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 2 high severity in production deps — @modelcontextprotocol/sdk@1.25.1 (high), @modelcontextprotocol/sdk@1.25.1 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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