jiang
75d8d526f9
Reuse OpenCode 2 HTTP/stdio clients with per-session read-only grants, native approval and sanitized owner-scoped MCP status. Narrow the environment inherited by trusted local MCP processes. Validated in an isolated checkout with bun run check and 20 focused tests.
18 lines
1.3 KiB
TypeScript
18 lines
1.3 KiB
TypeScript
import { createInterface } from "node:readline";
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// A minimal legacy stdio fixture. No third-party SDK or external service.
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for await (const line of createInterface({ input: process.stdin })) {
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const request = JSON.parse(line);
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if (request.id === undefined) continue;
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let result: unknown;
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if (request.method === "initialize") result = { protocolVersion: request.params.protocolVersion, capabilities: { tools: {} }, serverInfo: { name: "tjwater-mcp-fixture", version: "1" } };
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else if (request.method === "tools/list") result = { tools: [{ name: "echo", description: "Read-only fixture echo", inputSchema: { type: "object", properties: { value: { type: "string" } }, required: ["value"] }, annotations: { readOnlyHint: true } }] };
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else if (request.method === "tools/call") result = { content: [{ type: "text", text: JSON.stringify({ value: request.params.arguments.value, internal_token_empty: !process.env.AGENT_INTERNAL_TOKEN, model_key_empty: !process.env.DEEPSEEK_API_KEY, own_token_present: process.env.MCP_FIXTURE_TOKEN === "MCP_ONLY" }) }] };
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else if (request.method === "ping") result = {};
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else {
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process.stdout.write(`${JSON.stringify({ jsonrpc: "2.0", id: request.id, error: { code: -32601, message: "Method not found" } })}\n`);
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continue;
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}
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process.stdout.write(`${JSON.stringify({ jsonrpc: "2.0", id: request.id, result })}\n`);
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}
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