This commit is contained in:
nirholas
2026-03-31 10:19:42 +00:00
parent 261739a6c2
commit 24d8621c8e
17 changed files with 2681 additions and 10 deletions

View File

@@ -8,6 +8,8 @@ import {
ListResourcesRequestSchema,
ReadResourceRequestSchema,
ListResourceTemplatesRequestSchema,
ListPromptsRequestSchema,
GetPromptRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
import * as fs from "node:fs/promises";
import * as path from "node:path";
@@ -147,6 +149,7 @@ const server = new Server(
capabilities: {
tools: {},
resources: {},
prompts: {},
},
}
);
@@ -631,6 +634,335 @@ ${commands.map((c) => `- **${c.name}** ${c.isDirectory ? "(directory)" : "(file)
}
});
// ---- Prompts -------------------------------------------------------------
server.setRequestHandler(ListPromptsRequestSchema, async () => ({
prompts: [
{
name: "explain_tool",
description:
"Explain how a specific Claude Code tool works, including its input schema, permissions, and execution flow.",
arguments: [
{
name: "toolName",
description:
"Tool directory name, e.g. 'BashTool', 'FileEditTool', 'AgentTool'",
required: true,
},
],
},
{
name: "explain_command",
description:
"Explain how a specific Claude Code slash command works.",
arguments: [
{
name: "commandName",
description:
"Command name, e.g. 'commit', 'review', 'mcp', 'config'",
required: true,
},
],
},
{
name: "architecture_overview",
description:
"Get a guided tour of the Claude Code architecture with explanations of each subsystem.",
},
{
name: "how_does_it_work",
description:
"Explain how a specific feature or subsystem of Claude Code works. Good for understanding MCP integration, permission model, tool system, etc.",
arguments: [
{
name: "feature",
description:
"Feature or subsystem to explain, e.g. 'permission system', 'MCP client', 'tool deferred loading', 'query engine', 'bridge/IDE integration'",
required: true,
},
],
},
{
name: "compare_tools",
description:
"Compare two Claude Code tools side by side — their purpose, inputs, permissions, and implementation patterns.",
arguments: [
{
name: "tool1",
description: "First tool name, e.g. 'FileReadTool'",
required: true,
},
{
name: "tool2",
description: "Second tool name, e.g. 'FileWriteTool'",
required: true,
},
],
},
],
}));
server.setRequestHandler(GetPromptRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
switch (name) {
case "explain_tool": {
const toolName = args?.toolName;
if (!toolName) throw new Error("toolName argument is required");
const toolDir = safePath(`tools/${toolName}`);
if (!toolDir || !(await dirExists(toolDir)))
throw new Error(`Tool not found: ${toolName}`);
const files = await listDir(toolDir);
const mainFile =
files.find((f) => f === `${toolName}.ts` || f === `${toolName}.tsx`) ??
files.find((f) => f.endsWith(".ts") || f.endsWith(".tsx"));
let source = "";
if (mainFile) {
const abs = path.join(toolDir, mainFile);
source = await fs.readFile(abs, "utf-8");
}
return {
description: `Explanation of the ${toolName} tool`,
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text: `Analyze and explain this Claude Code tool implementation. Cover:
1. **Purpose** — What does this tool do?
2. **Input Schema** — What parameters does it accept?
3. **Permissions** — What permission checks are performed?
4. **Execution Flow** — How does it process a request?
5. **Output** — What does it return?
6. **Concurrency/Safety** — Is it read-only? Concurrency-safe? Destructive?
Files in tools/${toolName}/: ${files.join(", ")}
Main source (${mainFile ?? "not found"}):\n\`\`\`typescript\n${source}\n\`\`\``,
},
},
],
};
}
case "explain_command": {
const commandName = args?.commandName;
if (!commandName) throw new Error("commandName argument is required");
const candidates = [
`commands/${commandName}`,
`commands/${commandName}.ts`,
`commands/${commandName}.tsx`,
];
let found: string | null = null;
let isDir = false;
for (const c of candidates) {
const abs = safePath(c);
if (abs && (await dirExists(abs))) { found = abs; isDir = true; break; }
if (abs && (await fileExists(abs))) { found = abs; break; }
}
if (!found) throw new Error(`Command not found: ${commandName}`);
let source = "";
let fileList = "";
if (isDir) {
const files = await listDir(found);
fileList = files.join(", ");
const indexFile = files.find((f) => f === "index.ts" || f === "index.tsx");
if (indexFile) {
source = await fs.readFile(path.join(found, indexFile), "utf-8");
}
} else {
source = await fs.readFile(found, "utf-8");
fileList = path.basename(found);
}
return {
description: `Explanation of the /${commandName} command`,
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text: `Analyze and explain this Claude Code slash command. Cover:
1. **Purpose** — What does /${commandName} do?
2. **Type** — Is it a 'prompt' command (sends to LLM) or 'action' command (executes directly)?
3. **Allowed Tools** — What tools can the LLM use when processing this command?
4. **Arguments** — What arguments does it accept?
5. **Implementation** — How does it work?
Files: ${fileList}
Source:\n\`\`\`typescript\n${source}\n\`\`\``,
},
},
],
};
}
case "architecture_overview": {
const readmePath = path.resolve(SRC_ROOT, "..", "README.md");
let readme = "";
try { readme = await fs.readFile(readmePath, "utf-8"); } catch { /* */ }
const topLevel = await listDir(SRC_ROOT);
const tools = await getToolList();
const commands = await getCommandList();
return {
description: "Architecture overview of Claude Code",
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text: `Give a comprehensive guided tour of the Claude Code architecture. Use the following context:
## README
${readme}
## src/ top-level files and directories
${topLevel.join("\n")}
## Tools (${tools.length})
${tools.map((t) => `- ${t.name}: ${t.files.join(", ")}`).join("\n")}
## Commands (${commands.length})
${commands.map((c) => `- ${c.name} ${c.isDirectory ? "(dir)" : "(file)"}`).join("\n")}
Explain the overall architecture, how the main subsystems connect, and the request lifecycle from CLI input to tool execution.`,
},
},
],
};
}
case "how_does_it_work": {
const feature = args?.feature;
if (!feature) throw new Error("feature argument is required");
// Map well-known features to relevant source paths
const featureMap: Record<string, string[]> = {
"permission system": ["utils/permissions/", "hooks/toolPermission/", "Tool.ts"],
"permissions": ["utils/permissions/", "hooks/toolPermission/", "Tool.ts"],
"mcp client": ["services/mcp/", "tools/MCPTool/", "tools/ListMcpResourcesTool/", "tools/ReadMcpResourceTool/"],
"mcp": ["services/mcp/", "entrypoints/mcp.ts", "tools/MCPTool/"],
"tool system": ["Tool.ts", "tools.ts", "tools/"],
"tools": ["Tool.ts", "tools.ts"],
"query engine": ["QueryEngine.ts", "query/"],
"bridge": ["bridge/"],
"ide integration": ["bridge/"],
"context": ["context.ts", "context/"],
"commands": ["commands.ts", "types/command.ts"],
"command system": ["commands.ts", "types/command.ts", "commands/"],
"cost tracking": ["cost-tracker.ts", "costHook.ts"],
"plugins": ["plugins/"],
"skills": ["skills/"],
"tasks": ["tasks.ts", "tasks/", "tools/TaskCreateTool/"],
"coordinator": ["coordinator/"],
"multi-agent": ["coordinator/", "tools/AgentTool/"],
"memory": ["memdir/", "commands/memory/"],
"voice": ["voice/"],
"server": ["server/"],
};
const paths = featureMap[feature.toLowerCase()] ?? [];
let contextFiles = "";
for (const p of paths) {
const abs = safePath(p);
if (!abs) continue;
try {
const stat = await fs.stat(abs);
if (stat.isDirectory()) {
const files = await listDir(abs);
contextFiles += `\n### ${p}\nFiles: ${files.join(", ")}\n`;
} else {
const content = await fs.readFile(abs, "utf-8");
// Only include first 200 lines to keep prompt manageable
const preview = content.split("\n").slice(0, 200).join("\n");
contextFiles += `\n### ${p} (first 200 lines)\n\`\`\`typescript\n${preview}\n\`\`\`\n`;
}
} catch { /* skip */ }
}
return {
description: `How ${feature} works in Claude Code`,
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text: `Explain how "${feature}" works in the Claude Code CLI. Use these relevant source files as context:
${contextFiles || "(No specific source files mapped for this feature. Use the search_source and read_source_file tools to find relevant code.)"}
Explain the design, key types/interfaces, data flow, and how it integrates with the rest of the system.`,
},
},
],
};
}
case "compare_tools": {
const tool1 = args?.tool1;
const tool2 = args?.tool2;
if (!tool1 || !tool2) throw new Error("Both tool1 and tool2 arguments are required");
const sources: string[] = [];
for (const toolName of [tool1, tool2]) {
const toolDir = safePath(`tools/${toolName}`);
if (!toolDir || !(await dirExists(toolDir))) {
sources.push(`// Tool not found: ${toolName}`);
continue;
}
const files = await listDir(toolDir);
const mainFile =
files.find((f) => f === `${toolName}.ts` || f === `${toolName}.tsx`) ??
files.find((f) => f.endsWith(".ts") || f.endsWith(".tsx"));
if (mainFile) {
const content = await fs.readFile(path.join(toolDir, mainFile), "utf-8");
sources.push(`// tools/${toolName}/${mainFile}\n${content}`);
} else {
sources.push(`// No main source found for ${toolName}`);
}
}
return {
description: `Comparison of ${tool1} vs ${tool2}`,
messages: [
{
role: "user" as const,
content: {
type: "text" as const,
text: `Compare these two Claude Code tools side by side. Analyze:
1. **Purpose** — What each tool does
2. **Input Schemas** — How their parameters differ
3. **Permissions** — Different permission models
4. **Read-only / Destructive** — Safety characteristics
5. **Implementation Patterns** — Similarities and differences in how they're built
## ${tool1}
\`\`\`typescript
${sources[0]}
\`\`\`
## ${tool2}
\`\`\`typescript
${sources[1]}
\`\`\``,
},
},
],
};
}
default:
throw new Error(`Unknown prompt: ${name}`);
}
});
// ---------------------------------------------------------------------------
// Main
// ---------------------------------------------------------------------------