aseprite-mcp
MCP server for safe local automation of Aseprite, providing tools to create, inspect, edit, save, and export pixel art documents through the official Aseprite CLI and controlled Lua scripts.
Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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MaxPanRa
Source: Glama
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Install from
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.
When Vitest UI server is listening, arbitrary file can be read and executed
ASEPRITE_MCP_ALLOWED_DIRECTORIES$env: = "C:\Users\Usuario\Documents\MAX\PROYECTOS"ASEPRITE_MCP_ALLOW_OVERWRITEASEPRITE_MCP_CONFIGASEPRITE_MCP_LOG_LEVELASEPRITE_MCP_MAX_FRAMESASEPRITE_MCP_MAX_HEIGHTASEPRITE_MCP_MAX_WIDTHASEPRITE_MCP_PROCESS_TIMEOUTASEPRITE_MCP_TEMP_DIRECTORYASEPRITE_PATH$env: = "C:\Program Files\Aseprite\Aseprite.exe"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
21/21 tools missing one or more hints — aseprite_create_frame (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); aseprite_create_tag (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); aseprite_get_animation_info (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +18 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
Only 0/21 tool handlers declare input schemas (0%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 1/21 tool handlers wrap calls in try/catch (5%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
Only 0/21 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
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