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Changelog

All notable changes to the standalone Maxima language tools are documented here.

This changelog covers releases tagged tools-v*. For the Aximar desktop app, see the v* releases on GitHub.

0.4.1 — 2026-04-22

aximar-mcp

  • Fixed missing output fields: image_png and plot_data fields are now included in evaluate_expression and cell suggestion tool responses.

0.4.0 — 2026-04-22

aximar-core

  • Save/load cell outputs: Notebook files now persist text, LaTeX, plot, and image outputs so they render when reopened without re-running cells.
  • Plot persistence: Plotly JSON (application/x-maxima-plotly) and SVG (image/svg+xml) outputs are saved/loaded via nbformat display_data entries.
  • Image output support: Base64-encoded image/png and image/jpeg outputs are saved and rendered in notebooks.
  • Notebook-level trust: Dangerous function approval is now per-notebook instead of per-cell, unblocking run-all-cells workflows.
  • Trailing comment stripping: Block comments after the last statement terminator (e.g. x:1; /* note */) are stripped before sending to Maxima, preventing parse errors.
  • Comment-only cell handling: Cells containing only comments are detected as empty after stripping and skipped gracefully.
  • Assumption question detection: Maxima assumption prompts (e.g. "Is x positive?") are now detected and returned as errors instead of hanging.
  • SBCL compiler warning filtering: Spurious SBCL compiler notes in Maxima output are now stripped from results.

aximar-mcp

  • CLI batch runner: aximar-mcp run <path> [-o output] [--allow-dangerous] executes all cells in a notebook and saves with outputs, enabling scripted notebook execution for CI and batch processing.
  • Clap CLI: Replaced manual argument parsing with clap derive macros. Adds --help, --version, and subcommand help.
  • Inherits all aximar-core changes above.

0.3.1 — 2026-04-17

aximar-core

  • Fixed doc-index loading: When both a full and slim doc-index exist for the same package (e.g. maxima-core-docs), the full version is now preferred. Previously, non-deterministic directory iteration order could cause the slim variant to overwrite the full docs.

0.3.0 — 2026-04-17

maxima-lsp

  • Doc-index support: Load doc-index.json from installed packages (~/.maxima/*/doc/) for hover docs, completions, and signature help.
  • Auto-reload: File watcher detects when packages are installed or removed and reloads doc-index data automatically.

aximar-core

  • Fixed polar plot JSON: simplode([], ",") returns false in Maxima; empty polar_parts now correctly produces "polar":{}.
  • Added save_plotly_json suggestion: Plotly plot outputs now offer a "Save JSON" suggestion chip.

aximar-mcp

  • Inherits aximar-core fixes above.

0.2.2 — 2026-04-14

aximar-core

  • 3D parametric curves: parametric(x(t), y(t), z(t), t, t0, t1) in ax_draw3d renders 3D space curves (helices, knots, etc.) as scatter3d traces.
  • 3D parametric surfaces: parametric_surface(x(u,v), y(u,v), z(u,v), u, u0, u1, v, v0, v1) in ax_draw3d renders surfaces like spheres, tori, and Möbius strips.
  • 3D implicit surfaces: implicit(eqn, x, x0, x1, y, y0, y1, z, z0, z1) in ax_draw3d renders isosurfaces using Plotly's isosurface trace.
  • 3D surface contours: ax_contour3d(expr, x, x0, x1, y, y0, y1) renders a surface with contour lines projected below.
  • 3D vector fields: ax_vector_field3d(Fx, Fy, Fz, x, x0, x1, y, y0, y1, z, z0, z1) renders 3D vector fields as cone plots.
  • Box plots: ax_box(data) or ax_box(data, category) — box-and-whisker plots with boxpoints and boxmean options.
  • Violin plots: ax_violin(data) or ax_violin(data, category) — kernel density visualization with embedded box plot and mean line.
  • Pie/donut charts: ax_pie(values, labels) with hole option for donut charts.
  • Error bars: ax_error_bar(xs, ys, y_errors) or ax_error_bar(xs, ys, y_errors, x_errors) — scatter plots with error bars.
  • New template notebooks: "3D Plotting" and "Statistics" templates with worked examples for all new chart types.
  • Fixed parametric_surface argument count: Was incorrectly requiring 10 arguments instead of 9.
  • Fixed implicit 3D and vector field 3D performance: Replaced O(n²) endcons list-building in triple-nested loops with pre-allocated arrays and indexed assignment. Reduced default implicit grid from 30³ to 20³.

aximar-mcp

  • Float gotcha in AI instructions: Added guidance about wrapping expressions containing symbolic constants (%pi, %e) in float() to force numeric evaluation — prevents severe performance issues with large symbolic lists.

0.2.1 — 2026-04-13

maxima-dap

  • Runtime errors surfaced in debug GUI: When Maxima hits a runtime error (e.g. ev: improper argument), the stopped event now reports reason: "exception" with the error message, instead of a generic breakpoint stop with no context.
  • Synthetic stack frame for top-level errors: When the backtrace is empty (error outside any user-defined function), a synthetic frame is generated from the canonical location so the call stack panel isn't blank.
  • Fixed canonical location parsing: The regex now handles the \x1a\x1a Emacs/GDB annotation prefix that Maxima emits, which was silently preventing all canonical location matching.
  • Fixed breakpoint deletion: Use :delete (the correct Maxima command) instead of :delbreak (nonexistent).

aximar-mcp

  • Comma/ev gotcha in instructions: Added warning that the comma operator in Maxima is ev(), not a statement separator.

0.2.0 — 2026-04-13

maxima-dap

  • Improved breakpoint resolution: Breakpoint locations are now captured directly from execution output (e.g. batchload, :resume, :step) instead of querying :info :bkpt after each stop. This gives exact full-path file matching and eliminates a round-trip to the Maxima process on every debug stop.

0.1.0 — 2026-04-13

Initial standalone release of the Maxima language tools.

maxima-lsp

  • Syntax-aware completions for 2500+ built-in Maxima functions
  • Hover documentation from the Maxima reference manual
  • Go-to-definition and references for user-defined functions
  • Real-time diagnostics (syntax errors, unmatched parens)
  • Document and workspace symbols

maxima-dap

  • Step-through debugging with breakpoints, variable inspection, and call stacks
  • Enhanced Maxima debugger support (file:line breakpoints with deferred resolution)
  • Legacy mode fallback for stock Maxima (function+offset breakpoints)
  • Output filtering to suppress debugger noise
  • Canonical file path handling for reliable source mapping
  • Configurable evaluation timeouts

aximar-mcp

  • HTTP transport with bearer token authentication
  • Multi-notebook session management (create, close, restart)
  • Cell evaluation with LaTeX, SVG, and Plotly output
  • Documentation catalog with full-text search
  • Dangerous function safety gates
  • Structured JSON startup output for VS Code integration