Bambu Printer MCP
A Bambu Lab-focused MCP server for controlling Bambu printers, manipulating STL files, and managing end-to-end 3MF print workflows from Claude Desktop, Claude Code, or any MCP-compatible client. Its 15 documented tools cover stl, printer, filaments, file.
People who work with stl, printer and filaments and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.
VERIFIED ACTIVE
LAST COMMIT 2026-09-30 · ★ 165 · #421 OF 998 MAINTAINED OTHER · VERIFIED 2026-09-30
GPL-2.0 · TypeScript servers · how we verify → /methodology
01 · Install Bambu Printer MCP
Claude Desktop
Settings → Extensions → Install, then select the https://github.com/DMontgomery40/bambu-printer-mcp/releases/download/v1.1.20/bambu-printer-mcp.mcpb .mcpb bundle 02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as Claude Desktop extension (.mcpb bundle)
license GPL-2.0 - declared in the repository
registry namespace io.github.DMontgomery40 is GitHub-verified and matches the repo owner
03 · What Bambu Printer MCP can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
What you can build
With this server connected, an agent can inspect an STL file without modifying it. Returns bounding box dimensions, face count, vertex count, and model center, read the live AMS inventory and resolve each loaded tray to Bambu Studio, and capture a single JPEG frame from the printer's chamber camera. Read-only.
Capability map
Tools grouped from the project's README - what Bambu Printer MCP lets an agent do.
read & search
4 tools - e.g. Inspect an STL file without modifying it. Returns bounding box dimensions, face count, vertex count, and model center.; Retrieve current printer state including temperatures, print progress, layer count…
get_stl_info · get_printer_status · get_printer_filaments · list_printer_files
create & write
2 tools - e.g. Write G-code content from a string directly to the printer's cache/ directory. The content is written to a temporary file and uploaded via FTPS.; Upload a local file (G-code or 3MF) to the printer. If…
upload_gcode · upload_file
Recommended
1 tool - e.g. the profile path the MCP will use for
recommended.load_filaments
Scale
1 tool - e.g. Scale an STL model along individual axes. Omit any axis to leave it unchanged (defaults to 1.0).
scale_stl
Rotate
1 tool - e.g. Rotate an STL model around one or more axes. Angles are in degrees. Omitted axes default to 0.
rotate_stl
Extend
1 tool - e.g. Add solid geometry underneath the model to increase its base height. Useful for improving bed adhesion on models with a small or unstable footprint.
extend_stl_base
Merge
1 tool - e.g. Merge vertices that are closer together than the specified tolerance. This can close small gaps in a mesh and slightly reduce file size. Useful as a cleanup ste
merge_vertices
Center
1 tool - e.g. Translate the model so the center of its bounding box sits at the world origin (0, 0, 0). Useful before applying transformations or exporting for use in another
center_model
Latest releases
v1.1.21 · 2026-09-30
Fixed · Accept fresh X2D identity reports when model identifies the printer but model_id contains an unrelated cloud print-job identifier. Unrecognized model_id values no longer block a recognized observed model or…
v1.1.20 · 2026-09-29
Accept Bambu Studio 02.08 P2S jobs while retaining strict nozzle and temperature inspection. · Resolve project extruder-variant tables together with the selected per-extruder plate headers. Preserve their source so…
v1.1.19 · 2026-09-29
Maintenance rules · The pre-PR review gate is Matt Pocock's code-review skill, run locally against the main merge base before GitHub CI. Codex reviews are no longer requested by default. · No AI or agent attribution in…
04 · Who maintains Bambu Printer MCP
Bambu Printer MCP is maintained by dmontgomery40. We track 2 MCP servers from dmontgomery40 - 2 actively maintained, 517 combined GitHub stars, oldest repo from Jan 2025. Full record: all servers from dmontgomery40.
05 · Facts
- repository
- github.com/dmontgomery40/bambu-printer-mcp
- category
- other - ranked #421 of 998 actively-maintained other servers as of 2026-09-30.
- release cadence
- 10+ releases in the last 90 days (latest 2026-09-30)
- registry
- io.github.DMontgomery40/bambu-printer-mcp (active, first published 2026-09-29)
- packages
- mcpb:https://github.com/DMontgomery40/bambu-printer-mcp/releases/download/v1.1.20/bambu-printer-mcp.mcpb
06 · Bambu Printer MCP FAQ
Is Bambu Printer MCP still maintained?
Yes - as of 2026-09-30, its last commit was 2026-09-30 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
What can Bambu Printer MCP do?
With this server connected, an agent can inspect an STL file without modifying it. Returns bounding box dimensions, face count, vertex count, and model center, read the live AMS inventory and resolve each loaded tray to Bambu Studio, and capture a single JPEG frame from the printer's chamber camera. Read-only.
07 · Alternatives to Bambu Printer MCP
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