ToolTrust
B10/100
DMontgomery40

mcp-3d-printer-server

mcp1.2.6

@DMontgomery40

Connects MCP to major 3D printer APIs (Orca, FULU's Orca/Bambu, OctoPrint, Klipper, Duet, Repetier, Prusa, Creality). Control prints, monitor status, and perform advanced STL operations like scaling, rotation, sectional editing, and base extension. Includes slicing and visualization.

By DMontgomery40 | 73 findings | Scanned 7/28/2026 | tooltrust-scanner/v0.3.19 | 214

1 Medium12 Low60 Info

Risk Summary

Safe With Normal Controls

Excessive Permissions is the main signal, but overall risk remains within an acceptable range.

Potential impact: The agent may gain overly broad access to files, network, databases, or execution capabilities.

Recommended action: No high-risk findings were detected in this scan, but you should still apply least-privilege defaults and rescan after changes.

Suggested policy: keep this tool behind manual approval, do not allow unattended runs, and re-scan after narrowing risky permissions.

Security Findings (73)

  • MediumAS-003

    🔀Scope Mismatch

    set_printer_temperature:tool name "set_printer_temperature" implies local write operation but only remote/network-class permissions were detected

    Fix: Ensure tool names, descriptions, and permission declarations are internally consistent. Use explicit naming conventions that fully reflect actual capabilities.

  • LowAS-011

    ℹī¸Missing Rate-Limit / Timeout ×9

    tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration

    get_printer_statuslist_printer_filesupload_gcodestart_printcancel_printset_printer_temperatureprocess_and_print_stlprint_3mfblender_mcp_edit_model

    Fix: Declare explicit rate-limit, timeout, and retry configuration for all network and execution tools. Implement exponential back-off and surface resource state to the calling agent.

  • LowAS-002

    ⚠ī¸Excessive Permissions ×3

    input schema exposes 15 properties (threshold: 10)

    process_and_print_stl

    input schema exposes 12 properties (threshold: 10)

    modify_stl_section

    input schema exposes 22 properties (threshold: 10)

    print_3mf

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • InfoAS-002

    ⚠ī¸Excessive Permissions ×23

    declared capabilities: network access

    get_printer_statuscancel_printset_printer_temperature

    declared capabilities: network access, filesystem access

    list_printer_filesupload_gcodestart_printprocess_and_print_stlprint_3mf

    declared capabilities: filesystem access

    extend_stl_baseslice_stlconfirm_temperaturesget_stl_infoscale_stlrotate_stltranslate_stlmodify_stl_sectiongenerate_stl_visualizationmerge_verticescenter_modellay_flat

    declared capabilities: code/command execution, network access, filesystem access

    check_fulu_orca_setup

    declared capabilities: code/command execution, network access, HTTP requests

    fulu_bambu_network_rpc

    declared capabilities: code/command execution, filesystem access

    blender_mcp_edit_model

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • InfoAS-010

    🔑Insecure Secret Handling ×14

    input parameter "api_key" accepts a credential (informational; not evidence of insecure handling)

    get_printer_statuslist_printer_filesupload_gcodestart_printcancel_printset_printer_temperatureprocess_and_print_stl

    input parameter "bambu_token" accepts a credential (informational; not evidence of insecure handling)

    get_printer_statuslist_printer_filesupload_gcodestart_printcancel_printset_printer_temperatureprint_3mf

    Fix: Avoid accepting raw credentials as input parameters. Use secret managers (e.g. 1Password CLI, AWS Secrets Manager) and ensure credentials are never logged or stored in agent traces.

  • InfoAS-014

    ℹī¸Dependency Inventory Unavailable ×23

    No metadata.dependencies or repo_url were exposed by this MCP server, and no local project manifest could be inferred from the launch command.

    get_printer_statuslist_printer_filesupload_gcodestart_printcancel_printset_printer_temperatureextend_stl_baseslice_stlconfirm_temperaturesprocess_and_print_stlget_stl_infoscale_stlrotate_stltranslate_stlmodify_stl_sectiongenerate_stl_visualizationprint_3mfcheck_fulu_orca_setupfulu_bambu_network_rpcmerge_verticescenter_modellay_flatblender_mcp_edit_model

    Fix: Review and remediate the identified issue.

Scan this tool yourself

Reproduce this audit locally, integrate into CI, or let your agent audit its own tools.

Install once, then scan any MCP server:

$ curl -sfL https://raw.githubusercontent.com/AgentSafe-AI/tooltrust-scanner/main/install.sh | bash
$ tooltrust-scanner scan --server "npx -y mcp-3d-printer-server"

Adjust the package name if your npm registry name differs from the tool ID. View source

Add badge to your README

Copy this Markdown to show your ToolTrust grade on GitHub.

[![ToolTrust Grade B](https://raw.githubusercontent.com/AgentSafe-AI/tooltrust-directory/main/docs/badges/grade-b.svg)](https://github.com/AgentSafe-AI/tooltrust-directory)