Lambdacad MCP
Let AI draw in your CAD. An MCP server for any AutoLISP-capable CAD - no COM, no SDK, no plugins. Pure AutoLISP.
People who work with autocad, autolisp and bricscad and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Python.
VERIFIED ACTIVE
LAST COMMIT 2026-08-16 · ★ 2 · #300 OF 304 MAINTAINED MEMORY · VERIFIED 2026-09-18
Apache-2.0 · Python servers · how we verify → /methodology
01 · 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.
repo age created 2026-08-07 - young repo, little track record yet
license Apache-2.0 - declared in the repository
registry namespace io.github.Psalmustrack is GitHub-verified and matches the repo owner
02 · What Lambdacad MCP can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v1.3.0 · 2026-08-16
A persistent memory that grows as the drawing evolves, so the next prompt - · or the next session - starts knowing the drawing instead of re-surveying it. · 128 tools (was 124). The memory family ships as BETA…
v1.1.1 · 2026-08-08
Fix-only release. If you are on v1.1.0, upgrade: it moves geometry without telling you. · The new tools from the symbol-library work are deliberately not in here - they are a feature, and nobody should have to take…
v1.1.0 · 2026-08-08
100 → 105 tools, and the first release shipped with its own safety net. · New tools · export_stl - 3D solids straight to the slicer. Handles BricsCAD's hidden tessellation prompt (Low/Medium/High/Default), and parks…
03 · Who maintains Lambdacad MCP
lambdacad-mcp is maintained by psalmustrack. It's the only MCP server we track from this author; the repo dates to Aug 2026.
04 · Facts
- repository
- github.com/psalmustrack/lambdacad-mcp
- category
- memory - ranked #300 of 304 actively-maintained memory servers as of 2026-09-18.
- release cadence
- 4 releases in the last 90 days (latest 2026-08-16)
- registry
- io.github.Psalmustrack/lambdacad-mcp (active, first published 2026-08-07 · 4 versions)
05 · Lambdacad MCP FAQ
What is Lambdacad MCP?
Let AI draw in your CAD. An MCP server for any AutoLISP-capable CAD - no COM, no SDK, no plugins. Pure AutoLISP.
Is Lambdacad MCP still maintained?
Yes - as of 2026-09-18, its last commit was 2026-08-16 and it shipped 4 releases in the last 90 days. We re-verify nightly.
06 · Alternatives to Lambdacad MCP
Alternatives to Lambdacad MCP
Maintained memory servers if Lambdacad MCP isn't the fit.
- Codebase Memory Codebase knowledge graph for AI agents - 162 languages, sub-ms queries, 99% fewer tokens. ★ 43,715 · 2026-09-18
- Superlog Open-source agent that observes and fixes your application. Query logs, traces, metrics, incidents. ★ 1,449 · 2026-09-17
- Tradememory Protocol Tamper-evident decision audit trail and outcome-weighted memory for AI trading agents. ★ 1,419 · 2026-09-14
- Persome Local-first personal memory and model server for trusted MCP agents on macOS. ★ 1,322 · 2026-08-21
- Neo4j Memory MCP Neo4j Knowledge Graph Memory Server ★ 984 · 2026-09-09
- Projectmem Coding agent memory - one local MCP server for every project. Warns before repeating failed fixes. ★ 826 · 2026-09-15
Pairs well with
Servers that cover what Lambdacad MCP doesn't - only shown when the pairing reason fits the companion.
More memory MCP servers · Pseudolife Memory · Purmemo · State Memory MCP · Titen Memory · Memorykit
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