mirror of
https://github.com/storytold/vectorcraft.git
synced 2026-10-26 10:47:11 -06:00
Fahri Meral
b75ced8a70
The server read stdio lines and remote replies without any byte bound, answered batches of any size, and command_batch kept every step result: one faulty peer or batch could allocate and work without bound. Request lines are now read in bounded chunks (16 MiB; longer lines get a -32600 reply, are skipped, and framing continues), protocol batches hold at most 64 messages, control-channel replies past 256 MiB drop the connection with the usual uncertainty error, command_batch takes at most 256 steps and keeps at most 8 MiB of step results (past that the batch stops with the reason, still closing its atomic undo group). Eight new tests cover the line/batch/step/result caps and the atomic-group close; docs/mcp.md and the command_batch tool text document them. cargo test -p vectorcraft-mcp passes.
65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
//! VectorCraft's MCP server.
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//!
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//! [Model Context Protocol](https://modelcontextprotocol.io) over stdio: newline-delimited
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//! JSON-RPC 2.0, hand-written (no async runtime). The server exposes VectorCraft as a set of MCP
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//! tools and resources and forwards everything to a [`Backend`]:
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//!
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//! - [`Remote`] talks to a running desktop app through its loopback JSON-lines control channel
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//! (`vectorcraft --control 7979`): one `{"id","method","params"}` line in, one
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//! `{"id","ok","result"|"error"}` line out.
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//! - [`Headless`] hosts an in-process [`vectorcraft_engine::Session`] and implements the same
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//! control-channel method names itself (rendering screenshots with `vectorcraft-render`), so agents
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//! can draw and look at the result without a window.
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//!
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//! Entry points: [`Server::serve`] (stdio loop) and [`Server::handle_line`] (one message).
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#![forbid(unsafe_code)]
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mod backend;
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mod headless;
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pub mod logging;
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mod prompts;
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mod resources;
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mod server;
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mod tools;
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pub use backend::{Backend, Remote};
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pub use headless::Headless;
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pub use prompts::{PROMPTS, PromptArg, PromptDef};
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pub use resources::{DOC_JSON_URI, DOC_URI, TEMPLATES};
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pub use server::{PROTOCOL_VERSION, Server};
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pub use tools::{ToolResult, call_tool, tool_definitions};
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/// Default control-channel address of the desktop app.
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pub const DEFAULT_ADDR: &str = "127.0.0.1:7979";
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#[cfg(test)]
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mod tests;
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#[cfg(test)]
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mod tests_conventions;
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#[cfg(test)]
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mod tests_distortkeys;
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#[cfg(test)]
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mod tests_exportas;
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#[cfg(test)]
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mod tests_fileio;
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#[cfg(test)]
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mod tests_freeform;
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#[cfg(test)]
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mod tests_gradient;
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#[cfg(test)]
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mod tests_limits;
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#[cfg(test)]
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mod tests_links;
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#[cfg(test)]
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mod tests_liquify;
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#[cfg(test)]
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mod tests_pen;
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#[cfg(test)]
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mod tests_persp;
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#[cfg(test)]
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mod tests_place;
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#[cfg(test)]
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mod tests_protocol;
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#[cfg(test)]
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mod tests_svg;
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