mirror of
https://github.com/morluto/rea
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morluto
64 lines
2.5 KiB
JavaScript
64 lines
2.5 KiB
JavaScript
import { lstat } from "node:fs/promises";
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import { Ajv2020 } from "ajv/dist/2020.js";
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/**
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* Verify canonical names, converted JSON Schemas, and session catalog metadata.
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* Only this operation needs built contracts; path checks remain source-only.
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*/
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export const verifyCompleteToolCatalog = async (client, options) => {
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const [{ requireMcpLifecycleResult, sortVerifierNames }, { TOOL_CONTRACTS }] =
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await Promise.all([
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import("./mcp-verifier-results.mjs"),
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import("../../dist/contracts/toolContracts.js"),
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]);
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const listed = await client.listTools(undefined, options);
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const canonical = sortVerifierNames(TOOL_CONTRACTS.map(({ name }) => name));
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const observed = sortVerifierNames(listed.tools.map(({ name }) => name));
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if (JSON.stringify(observed) !== JSON.stringify(canonical)) {
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const canonicalNames = new Set(canonical);
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const observedNames = new Set(observed);
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const unknown = observed.filter((name) => !canonicalNames.has(name));
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const missing = canonical.filter((name) => !observedNames.has(name));
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const duplicates = observed.filter(
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(name, index) => index > 0 && name === observed[index - 1],
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);
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throw new Error(
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`packaged MCP exposed an invalid canonical tool catalog (${observed.length} tools, unknown: ${unknown.join(", ") || "none"}, missing: ${missing.join(", ") || "none"}, duplicates: ${duplicates.join(", ") || "none"})`,
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);
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}
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const ajv = new Ajv2020({ strict: false, validateFormats: false });
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for (const tool of listed.tools) {
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for (const kind of ["inputSchema", "outputSchema"]) {
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const schema = tool[kind];
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if (schema !== undefined && !ajv.validateSchema(schema))
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throw new Error(
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`packaged MCP has invalid ${tool.name}.${kind}: ${ajv.errorsText(ajv.errors)}`,
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);
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}
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}
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const status = await client.callTool(
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{ name: "binary_session", arguments: {} },
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options,
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);
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const expanded = requireMcpLifecycleResult(status, "binary_session");
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const availability = expanded.tool_availability;
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const expected = sortVerifierNames(availability.map(({ name }) => name));
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if (JSON.stringify(observed) !== JSON.stringify(expected))
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throw new Error(
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"packaged MCP tool inventory diverged from session metadata",
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);
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return observed;
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};
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/** Check whether a path exists on disk. */
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export const pathExists = async (path) => {
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try {
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await lstat(path);
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return true;
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} catch (cause) {
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if (cause instanceof Error && "code" in cause && cause.code === "ENOENT")
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return false;
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throw cause;
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}
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};
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