Grasp MCP Server (Jamshed7470/grasp-mcp) is an MCP server listed on the M8ven Trust Index. It scores 54 out of 100, grade D. It declares 14 tools. No publisher has claimed this listing.
A Windows desktop control MCP server that gives Claude eyes and hands—screen capture with coordinate-grid overlays, pixel-perfect DPI-correct mouse/keyboard input via a Rust backend, and direct PowerShell command execution, enabling full local desktop automation through natural language.
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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Jamshed7470
Source: Glama
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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
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
sharp inherited vulnerabilities in libvips: CVE-2026-33327, CVE-2026-33328, CVE-2026-35590, CVE-2026-35591
ANTHROPIC_API_KEYCosts a few hundred text tokens instead of 1000+ image tokens. RequiresGRASP_API_KEY(or ) in the server env — without a key it returns a clear message andGRASP_ENIGO_PATHAbsolute path to the node-enigo .node binary, if it isn't in the bundled native/ folder.GRASP_VISION_MODEL"": "claude-haiku-4-5" // optional; this is the defaultTool 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
14/14 tools missing one or more hints — screenshot (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); describe_screen (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_active_window (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +11 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.
Tool inputs are validated
11/14 tool handlers declare input schemas (79%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 2/14 tool handlers wrap calls in try/catch (14%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 4 high severity in production deps — @modelcontextprotocol/sdk@1.12.0 (high), @modelcontextprotocol/sdk@1.12.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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