Tool tree
Try Sema in the browser — a Lisp with first-class LLM primitives. No install required, runs entirely in WebAssembly.
read_editoranswer
Read Sema source from the playground editor. Use this before editing or running unfamiliar code.
View tool JSON
{
"name": "read_editor",
"kind": "answer",
"impl": "imperative",
"description": "Read Sema source from the playground editor. Use this before editing or running unfamiliar code.",
"inputSchema": {
"type": "object",
"properties": {
"offset": {
"type": "integer",
"minimum": 0,
"default": 0,
"description": "Zero-based character offset at which to start reading."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 12000,
"default": 1500,
"description": "Maximum number of characters to return."
}
},
"additionalProperties": false
}
}write_editoract
Replace the playground editor contents with Sema source code.
View tool JSON
{
"name": "write_editor",
"kind": "act",
"impl": "imperative",
"description": "Replace the playground editor contents with Sema source code.",
"inputSchema": {
"type": "object",
"properties": {
"code": {
"type": "string",
"description": "Complete Sema source to place in the editor."
}
},
"additionalProperties": false,
"required": [
"code"
]
}
}format_editoract
Format the current Sema source in the playground editor.
View tool JSON
{
"name": "format_editor",
"kind": "act",
"impl": "imperative",
"description": "Format the current Sema source in the playground editor.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}run_editoract
Run the current Sema source and wait for evaluation to finish.
View tool JSON
{
"name": "run_editor",
"kind": "act",
"impl": "imperative",
"description": "Run the current Sema source and wait for evaluation to finish.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}stop_runact
Cancel the active worker-backed Sema evaluation when one is running.
View tool JSON
{
"name": "stop_run",
"kind": "act",
"impl": "imperative",
"description": "Cancel the active worker-backed Sema evaluation when one is running.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}read_outputanswer
Read the current playground output, including values, printed lines, errors, and timing.
View tool JSON
{
"name": "read_output",
"kind": "answer",
"impl": "imperative",
"description": "Read the current playground output, including values, printed lines, errors, and timing.",
"inputSchema": {
"type": "object",
"properties": {
"offset": {
"type": "integer",
"minimum": 0,
"default": 0,
"description": "Zero-based character offset at which to start reading."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 12000,
"default": 1500,
"description": "Maximum number of characters to return."
}
},
"additionalProperties": false
}
}find_examplesanswer
Find bundled Sema examples by filename, category, or identifier.
View tool JSON
{
"name": "find_examples",
"kind": "answer",
"impl": "imperative",
"description": "Find bundled Sema examples by filename, category, or identifier.",
"inputSchema": {
"type": "object",
"properties": {
"query": {
"type": "string",
"default": "",
"description": "Case-insensitive text used to filter examples."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 20,
"default": 10,
"description": "Maximum examples to return."
}
},
"additionalProperties": false
}
}load_exampleact
Load one bundled Sema example into the editor by identifier or filename.
View tool JSON
{
"name": "load_example",
"kind": "act",
"impl": "imperative",
"description": "Load one bundled Sema example into the editor by identifier or filename.",
"inputSchema": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "Example identifier such as getting-started/hello.sema or hello.sema."
}
},
"additionalProperties": false,
"required": [
"id"
]
}
}list_filesanswer
List one directory in the playground virtual filesystem.
View tool JSON
{
"name": "list_files",
"kind": "answer",
"impl": "imperative",
"description": "List one directory in the playground virtual filesystem.",
"inputSchema": {
"type": "object",
"properties": {
"dir": {
"type": "string",
"default": "/",
"description": "Absolute virtual directory path to list."
}
},
"additionalProperties": false
}
}read_fileanswer
Read a UTF-8 text file from the playground virtual filesystem.
View tool JSON
{
"name": "read_file",
"kind": "answer",
"impl": "imperative",
"description": "Read a UTF-8 text file from the playground virtual filesystem.",
"inputSchema": {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "Absolute virtual file path to read."
},
"offset": {
"type": "integer",
"minimum": 0,
"default": 0,
"description": "Zero-based character offset at which to start reading."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 12000,
"default": 1500,
"description": "Maximum number of characters to return."
}
},
"additionalProperties": false,
"required": [
"path"
]
}
}write_fileact
Create or replace a UTF-8 text file in the playground virtual filesystem.
View tool JSON
{
"name": "write_file",
"kind": "act",
"impl": "imperative",
"description": "Create or replace a UTF-8 text file in the playground virtual filesystem.",
"inputSchema": {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "Absolute virtual file path to create or replace."
},
"content": {
"type": "string",
"maxLength": 1048576,
"description": "UTF-8 text content, limited to 1 MiB."
}
},
"additionalProperties": false,
"required": [
"path",
"content"
]
}
}set_breakpointsact
Replace the debugger breakpoints with the requested one-based source lines.
View tool JSON
{
"name": "set_breakpoints",
"kind": "act",
"impl": "imperative",
"description": "Replace the debugger breakpoints with the requested one-based source lines.",
"inputSchema": {
"type": "object",
"properties": {
"lines": {
"type": "array",
"items": {
"type": "integer",
"minimum": 1
},
"uniqueItems": true,
"description": "One-based editor line numbers on which to pause."
}
},
"additionalProperties": false,
"required": [
"lines"
]
}
}start_debuggingact
Start debugging the current Sema source and wait for a pause, finish, or error.
View tool JSON
{
"name": "start_debugging",
"kind": "act",
"impl": "imperative",
"description": "Start debugging the current Sema source and wait for a pause, finish, or error.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}continue_debuggingact
Continue the paused Sema debugger and wait for its next stable state.
View tool JSON
{
"name": "continue_debugging",
"kind": "act",
"impl": "imperative",
"description": "Continue the paused Sema debugger and wait for its next stable state.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}step_debuggeract
Step the paused Sema debugger into, over, or out and wait for its next stable state.
View tool JSON
{
"name": "step_debugger",
"kind": "act",
"impl": "imperative",
"description": "Step the paused Sema debugger into, over, or out and wait for its next stable state.",
"inputSchema": {
"type": "object",
"properties": {
"mode": {
"type": "string",
"enum": [
"into",
"over",
"out"
],
"description": "Debugger stepping mode."
}
},
"additionalProperties": false,
"required": [
"mode"
]
}
}stop_debuggingact
Stop the active Sema debugger and return the playground to its idle state.
View tool JSON
{
"name": "stop_debugging",
"kind": "act",
"impl": "imperative",
"description": "Stop the active Sema debugger and return the playground to its idle state.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}get_debug_stateanswer
Read debugger status, active line, breakpoints, locals, and stack frames.
View tool JSON
{
"name": "get_debug_state",
"kind": "answer",
"impl": "imperative",
"description": "Read debugger status, active line, breakpoints, locals, and stack frames.",
"inputSchema": {
"type": "object",
"properties": {},
"additionalProperties": false
}
}