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@fides-anima/fpp-tool-proxy

v0.1.0

Published

Shared MCP/sidecar tool proxy for FPP enforcement-core

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Maintainers

fa-stewardfa-steward

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Readme

@fides-anima/fpp-tool-proxy

Shared reference implementation for harnesses that need an MCP/sidecar interception path (in addition to, or instead of, native PreToolUse hooks).

This package is staged for public npm but has not been published from this repository yet. Until the first release, use the workspace or a local packed tarball.

npm install @fides-anima/[email protected]
import { createToolProxy } from "@fides-anima/fpp-tool-proxy";
import { createEnforcementRuntime } from "@fides-anima/fpp-enforcement-core";

const runtime = createEnforcementRuntime(config, adapter);
const proxy = createToolProxy(runtime, async (tool, params) => realInvoke(tool, params));

await proxy.call("Bash", { command: "echo hi" }, { toolCallId: "1" });
// ToolProxyDeniedError if disposition is deny/abstain

Cursor / Claude Code / Codex adapters prefer native hooks; import this proxy when wiring an MCP tool gateway or custom sidecar.

License

See LICENSE.