// SCAN REPORT

Renef

75 tools. 37 can modify or destroy data without limits.

5 destructive tools with no built-in limits. Policy required.

Last updated: 12 Jun 2026

37 can modify or destroy data

38 read-only

75 tools total

Community server · catalogue entry checked 12/06/2026

How to control Renef ↓

TOOL MAP

What Renef exposes to your agents

Read (38) Write / Execute (27) Destructive / Financial (5)

Running more than one server? Check your whole stack →

MOST DANGEROUS TOOLS

Critical Risk

The most dangerous Renef tools

Destructive · High renef_port_forward_remove_all Port forwarding rules are network configurations that enable communication channels. Destructive · Critical renef_hard_reset Hard reset operations cannot be undone and result in complete loss of device state and data. Destructive · High renef_jni_delete_ref This tool irreversibly deletes a JNI global reference, which cannot be undone. Destructive · Medium renef_port_forward_remove Removing a port forwarding rule is an irreversible deletion of a network configuration.

37 of Renef's 75 tools can modify, destroy, or commit something on every call — and an agent calls them with no built-in limits.

POLICY

How to control Renef

PolicyLayer is an MCP gateway — it sits between your AI agents and Renef, and nothing reaches the server without passing your rules. These are the rules we recommend:

Deny destructive operations

{
  "renef_hard_reset": {
    "deny_if": [
      {
        "conditions": [],
        "on_deny": "Blocked by default. Requires approval."
      }
    ]
  }
}

Destructive tools should never be available to autonomous agents without human approval.

Rate limit write operations

{
  "renef_unhook": {
    "limits": [
      {
        "counter": "renef_unhook_per_hour",
        "window": "hour",
        "max": 30,
        "scope": "grant"
      }
    ]
  }
}

Prevents bulk unintended modifications from agents caught in loops.

Cap read operations

{
  "adb_current_app": {
    "limits": [
      {
        "counter": "adb_current_app_per_minute",
        "window": "minute",
        "max": 60,
        "scope": "grant"
      }
    ]
  }
}

Controls API costs and prevents retry loops from exhausting upstream rate limits.

Create a free account and register Renef — nothing to install.
Add these rules — paste them, or build them visually. Tune the limits to your setup.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

ENFORCE POLICY ON RENEF →

Instant setup, no code required.

FULL CATALOGUE

All 75 Renef tools

DESTRUCTIVE 5 tools

Destructive renef_hard_reset renef_hard_reset Destructive renef_jni_delete_ref Deletes a JNI global reference to prevent memory leaks. Destructive renef_port_forward_remove Removes a port forwarding rule. Destructive renef_port_forward_remove_all Removes all port forwarding rules. Destructive renef_server_kill Kills renef_server on the connected Android device.

EXECUTE 26 tools

Execute adb_selinux_disable Sets SELinux to Permissive mode (disabled enforcement). Execute adb_selinux_enable Sets SELinux to Enforcing mode (enabled). Execute adb_start_app_am Starts an Android app on the connected device using 'am start'. Execute adb_start_app_monkey Starts an Android app on the connected device using 'monkey' command. Execute adb_stop_app_am Force stops an Android app on the connected device using 'am force-stop'. Execute renef_attach Attaches to a running process by PID and injects the renef payload. Execute renef_cli_reset Resets the renef CLI process by killing any stuck process and starting fresh. Execute renef_exec Executes Lua code in the target process. Execute renef_hook_generate renef_hook_generate Execute renef_hook_java renef_hook_java Execute renef_hook_native Installs a native hook at the specified offset in a library. Execute renef_jni_new_string Creates a new Java String object in the target process. Execute renef_load_script Loads and executes Lua script(s) in the target process. Execute renef_mem_write Writes raw bytes to memory at the specified address. Execute renef_mem_write_u16 Writes an unsigned 16-bit integer to memory. Execute renef_mem_write_u32 Writes an unsigned 32-bit integer to memory. Execute renef_mem_write_u64 Writes an unsigned 64-bit integer to memory. Execute renef_mem_write_u8 Writes an unsigned 8-bit integer to memory. Execute renef_memory_patch Patches memory at the specified address with automatic page protection handling. Execute renef_port_forward_add Adds a port forwarding rule for renef. Execute renef_server_deploy Deploys renef_server and libagent.so to the connected Android device. Execute renef_server_restart Restarts renef_server on the connected Android device. Execute renef_server_start Starts renef_server on the connected Android device. Execute renef_spawn renef_spawn Execute renef_zero_copy_multiline_exec renef_zero_copy_multiline_exec Execute run Sends a command to the CLI and returns the output.

WRITE 1 tools

Write renef_unhook Removes hook(s) by ID or all hooks.

READ 38 tools

Read adb_current_app Gets the currently focused/active app on the Android device. Read adb_devices Lists connected Android devices. Read adb_list_apps Lists installed apps on the connected Android device. Read adb_root_status Checks if the Android device is rooted and provides detailed root status. Read adb_selinux_status Shows the current SELinux status on the Android device. Read renef_console_log Logs a message to Android logcat and CLI output. Read renef_detect_framework renef_detect_framework Read renef_file_exists Checks if a file exists in the target process filesystem. Read renef_file_fdpath Gets the file path for an open file descriptor. Read renef_file_read Reads file contents from the target process filesystem. Read renef_file_readlink Reads the target of a symbolic link. Read renef_hooks_list Lists all active hooks. Read renef_jni_get_string Extracts the UTF-8 content from a Java String reference. Read renef_jni_string_length Gets the length of a Java String. Read renef_list_apps Lists installed applications on the Android device via renef. Read renef_mem_read Reads raw bytes from memory at the specified address. Read renef_mem_read_string Reads a null-terminated string from memory. Read renef_mem_read_u16 Reads an unsigned 16-bit integer from memory. Read renef_mem_read_u32 Reads an unsigned 32-bit integer from memory. Read renef_mem_read_u64 Reads an unsigned 64-bit integer from memory. Read renef_mem_read_u8 Reads an unsigned 8-bit integer from memory. Read renef_mem_search renef_mem_search Read renef_mem_search_json renef_mem_search_json Read renef_memory_dump Dumps memory at the specified address. Read renef_module_exports Gets exported symbols from a library's dynamic symbol table (.dynsym). Read renef_module_find Finds the base address of a loaded library in the target process. Read renef_module_list Lists all loaded .so libraries in the target process with their addresses. Read renef_module_symbols renef_module_symbols Read renef_ping Pings the renef server to check connectivity. Read renef_plugins Lists loaded plugins in the renef server. Read renef_port_forward_status Shows current ADB port forwarding rules. Read renef_sections Lists ELF sections of a library. Read renef_server_logs Shows renef_server logs from the Android device. Read renef_server_status Checks if renef_server and libagent.so are deployed on the device, Read renef_thread_backtrace renef_thread_backtrace Read renef_thread_id Gets the current thread ID (TID) in the target process. Read renef_watch_realtime renef_watch_realtime Read search_techniques search_techniques

OTHER 5 tools

Other renef_jni_type_boolean renef_jni_type_boolean Other renef_jni_type_int renef_jni_type_int Other renef_jni_type_long renef_jni_type_long Other renef_jni_type_string renef_jni_type_string Other renef_watch renef_watch

EXPLORE

Related servers

Other MCP servers with similar tools — same risk classification, starter policies for each.

FAQ

Questions about Renef

Can an AI agent delete data through the Renef MCP server? +

Yes. The Renef server exposes 5 destructive tools including renef_hard_reset, renef_jni_delete_ref, renef_port_forward_remove. These permanently remove resources with no undo. PolicyLayer blocks destructive tools by default so they never reach the upstream server.

How do I prevent bulk modifications through Renef? +

The Renef server has 1 write tools including renef_unhook. Set a rate limit in your policy -- for example, 10 calls per hour prevents an agent from making more than 10 modifications per hour. PolicyLayer enforces this at the gateway, before calls reach Renef.

How many tools does the Renef MCP server expose? +

75 tools across 4 categories: Destructive, Execute, Read, Write. 38 are read-only. 37 can modify, create, or delete data.

How do I enforce a policy on Renef? +

Register the Renef MCP server in PolicyLayer, apply the suggested rules above (adjust the limits to your use case), and point your AI client at the PolicyLayer proxy URL instead of the server directly. Your agents keep the same tools; PolicyLayer evaluates every call against policy before it executes. Nothing to install, live in minutes.

Enforce policy on every Renef tool call.

Deterministic rules across all 75 Renef tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

ENFORCE POLICY ON RENEF →

Instant setup, no code required.

75 Renef tools catalogued and risk-classified — across an index of 46,500+ MCP servers.

// WHERE THIS COMES FROM

These policies come from Renef's registry record.

The record behind this page: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

Teams ship this data inside their own products. See what a licence covers →