calculator
Calculators accessible via MCP with real-time collaborative sessions and shareable URLs.
我該用這個嗎
品質與安全性
A
根據工具定義與協定合規性的自動化分析。
上下文成本
~1,811Token（工具定義）
~2.1 KB典型回應大小
中等的注意力影響（128k 上下文的 1.41%）
這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。
安裝
一鍵安裝
將以下內容加入你的 `claude_desktop_config.json` 檔案：
{
"mcpServers": {
"calculator": {
"url": "https://mcpcalc.com/api/v1/mcp"
}
}
}遠端端點
https://mcpcalc.com/api/v1/mcpstreamable-http它能做什麼
工具清單
工具（10）
🟢 唯讀🟡 寫入🔴 刪除⚪ 未知
🟢list_calculators(category)
List available calculators, optionally filtered by category
輸入結構描述
{
"type": "object",
"properties": {
"category": {
"type": "string",
"description": "Filter by category (e.g., 'finance', 'math')"
}
}
}🟢get_calculator_schema(calculator)
Get the input schema for a specific calculator
輸入結構描述
{
"type": "object",
"properties": {
"calculator": {
"type": "string",
"description": "Calculator slug"
}
},
"required": [
"calculator"
]
}🟢calculate(calculator, inputs, strict)
Run a calculation and get results + prefilled URL
輸入結構描述
{
"type": "object",
"properties": {
"calculator": {
"type": "string",
"description": "Calculator slug"
},
"inputs": {
"type": "object",
"description": "Calculator input values"
},
"strict": {
"type": "boolean",
"description": "If true, reject invalid or unknown input fields instead of dropping them"
}
},
"required": [
"calculator",
"inputs"
]
}⚪generate_prefilled_url(calculator, inputs, strict)
Generate a prefilled URL without running calculation
輸入結構描述
{
"type": "object",
"properties": {
"calculator": {
"type": "string",
"description": "Calculator slug"
},
"inputs": {
"type": "object",
"description": "Input values for URL"
},
"strict": {
"type": "boolean",
"description": "If true, reject invalid or unknown input fields instead of dropping them"
}
},
"required": [
"calculator",
"inputs"
]
}🟢calculate_cas(expression, expressions, strict)
Evaluate one or more headless CAS expressions server-side (MCP-only numeric mode). Unsupported expressions return a GUI handoff link.
輸入結構描述
{
"type": "object",
"properties": {
"expression": {
"type": "string",
"description": "Single CAS expression to evaluate"
},
"expressions": {
"type": "array",
"description": "Optional ordered list of CAS expressions to evaluate in one isolated context (supports assignments across the batch)",
"items": {
"type": "string"
}
},
"strict": {
"type": "boolean",
"description": "If true, reject unknown fields and malformed expressions instead of dropping them"
}
}
}🟢calculate_cas_headless(expression, expressions, strict)
Alias of calculate_cas. Headless MCP-only CAS evaluator; if unsupported features are requested, returns GUI handoff details.
輸入結構描述
{
"type": "object",
"properties": {
"expression": {
"type": "string",
"description": "Single CAS expression to evaluate"
},
"expressions": {
"type": "array",
"description": "Optional ordered list of CAS expressions to evaluate in one isolated context (supports assignments across the batch)",
"items": {
"type": "string"
}
},
"strict": {
"type": "boolean",
"description": "If true, reject unknown fields and malformed expressions instead of dropping them"
}
}
}🟡create_session(calculator, metadata)
Create a new interactive session for any calculator and return the session URL
輸入結構描述
{
"type": "object",
"properties": {
"calculator": {
"type": "string",
"description": "Calculator slug"
},
"metadata": {
"type": "object",
"description": "Optional session metadata"
}
},
"required": [
"calculator"
]
}🟢get_session_state(session_id)
Retrieve the current field values, computation transcript, and pending message queue for an active session
輸入結構描述
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"description": "Session UUID"
}
},
"required": [
"session_id"
]
}🟡push_session_action(session_id, actions)
Push actions into a session's message queue (set fields, submit computation, trigger plot, etc.)
輸入結構描述
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"description": "Session UUID"
},
"actions": {
"type": "array",
"description": "Array of SessionAction objects to push to the browser",
"items": {
"type": "object",
"description": "A session action. Supports CAS actions, form field updates, and spreadsheet actions like set_cells/get_cells/load_csv/export_csv/set_column_format.",
"properties": {
"type": {
"type": "string",
"enum": [
"submit_expression",
"set_fields",
"plot",
"assign_variable",
"insert_markdown",
"clear_transcript",
"set_mode",
"set_cells",
"get_cells",
"clear_cells",
"load_csv",
"export_csv",
"set_column_format",
"rpn_keypress",
"rpn_key_sequence",
"rpn_execute_command",
"rpn_set_stack",
"rpn_set_registers",
"rpn_load_program",
"rpn_run_program",
"rpn_reset",
"proof_set_document_meta",
"proof_insert_line",
"proof_update_line",
"proof_delete_line",
"proof_move_line",
"proof_indent_line",
"proof_apply_template",
"proof_replace_document"
],
"description": "The action type"
},
"expression": {
"type": "string",
"description": "Math expression (for submit_expression and plot actions)"
},
"fields": {
"type": "object",
"description": "Key-value pairs of field names to values (for set_fields action on form calculators)"
},
"cells": {
"type": "object",
"description": "Cell raw values keyed by A1 refs (for set_cells on spreadsheet)"
},
"ranges": {
"type": "array",
"items": {
"type": "string"
},
"description": "A1 ranges or single refs (for get_cells and clear_cells)"
},
"csv": {
"type": "string",
"description": "CSV/TSV payload for load_csv"
},
"target": {
"type": "string",
"description": "Target cell for load_csv (defaults to A1)"
},
"delimiter": {
"type": "string",
"description": "Optional delimiter for load_csv (e.g. ',', '\\t')"
},
"formats": {
"type": "object",
"description": "Column display formats keyed by column letter (for set_column_format)"
},
"name": {
"type": "string",
"description": "Variable name (for assign_variable action)"
},
"markdown": {
"type": "string",
"description": "Markdown text for a static commentary block (links/code are sanitized)"
},
"range": {
"anyOf": [
{
"type": "array",
"items": {
"type": "number"
}
},
{
"type": "string"
}
],
"description": "Plot range as [min, max] for 'plot', or A1 range string for 'export_csv'"
},
"mode": {
"type": "string",
"enum": [
"symbolic",
"numeric"
],
"description": "Evaluation mode (for set_mode action)"
},
"key": {
"type": "string",
"description": "Single RPN key or token (for rpn_keypress)"
},
"keys": {
"type": "array",
"items": {
"type": "string"
},
"description": "Ordered list of RPN keys or commands (for rpn_key_sequence)"
},
"command": {
"type": "string",
"description": "RPN command name (for rpn_execute_command)"
},
"args": {
"type": "array",
"items": {},
"description": "Optional command arguments (for rpn_execute_command)"
},
"stack": {
"type": "object",
"description": "Partial T/Z/Y/X stack payload (for rpn_set_stack)"
},
"registers": {
"type": "object",
"description": "Register map for RPN memory updates"
},
"source": {
"type": "string",
"description": "Line-based program source (for rpn_load_program)"
},
"preservePrograms": {
"type": "boolean",
"description": "Preserve stored RPN programs when resetting"
},
"id": {
"type": "string",
"description": "Proof line id for update/delete/move/indent actions"
},
"toIndex": {
"type": "number",
"description": "Target line index for proof_move_line"
},
"delta": {
"type": "number",
"description": "Indent delta for proof_indent_line"
},
"patch": {
"type": "object",
"description": "Proof line patch payload for proof_update_line. Include fields like source, justification, indent, or tags.",
"properties": {
"source": {
"type": "string",
"description": "Proof line content to display in the builder"
},
"justification": {
"type": "string",
"description": "Optional justification text for the proof line"
},
"indent": {
"type": "number",
"description": "Indent level for the proof line"
},
"tags": {
"type": "array",
"items": {
"type": "string",
"enum": [
"assumption",
"claim",
"therefore",
"qed"
]
},
"description": "Optional proof line tags"
}
}
},
"templateId": {
"type": "string",
"description": "Template id for proof_apply_template"
},
"index": {
"type": "number",
"description": "Optional insertion index for proof_insert_line/proof_apply_template"
},
"line": {
"type": "object",
"description": "Optional line payload for proof_insert_line. Include source and optional justification/indent/tags.",
"properties": {
"source": {
"type": "string",
"description": "Proof line content to insert"
},
"justification": {
"type": "string",
"description": "Optional justification for the inserted proof line"
},
"indent": {
"type": "number",
"description": "Indent level for the inserted proof line"
},
"tags": {
"type": "array",
"items": {
"type": "string",
"enum": [
"assumption",
"claim",
"therefore",
"qed"
]
},
"description": "Optional proof line tags"
}
}
},
"document": {
"type": "object",
"description": "Full proof document payload for proof_replace_document"
},
"title": {
"type": "string",
"description": "Proof title for proof_set_document_meta"
},
"theorem": {
"type": "string",
"description": "Theorem statement for proof_set_document_meta"
},
"assumptions": {
"type": "string",
"description": "Assumptions block for proof_set_document_meta"
},
"goal": {
"type": "string",
"description": "Goal statement for proof_set_document_meta"
}
},
"required": [
"type"
]
}
}
},
"required": [
"session_id",
"actions"
]
}⚪close_session(session_id)
Close a session and optionally persist a snapshot of its final state
輸入結構描述
{
"type": "object",
"properties": {
"session_id": {
"type": "string",
"description": "Session UUID"
}
},
"required": [
"session_id"
]
}社群
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