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fuzzmind

fuzzmind-frida-mcp

by fuzzmind

frida_connect

Attach to a running process or spawn a new one under Frida for dynamic analysis. Returns a persistent session ID for subsequent hooks and inspections.

Instructions

Connect/attach to a process and create a persistent Frida session.

target: process name or pid (string). Full binary path when spawn=True. device_id: optional device id; defaults to local device. spawn: if True, spawn the process under Frida instead of attaching to an existing one.

Returns a session_id for use with session-based tools (hooks, hook messages, etc.). The session stays alive until explicitly disconnected.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
targetNo
device_idNo
spawnNo
attach_identifierNo
attach_frontmostNo
await_patternNo
await_timeoutNo
argvNo
envNo
envpNo
cwdNo
stdioNo
auxNo
realmNo
persist_timeoutNo
pauseNo
kill_on_disconnectNo
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions persistence and explicit disconnection but omits details about required permissions, side effects (e.g., potential process crash), or error conditions. This is insufficient for a tool with such complexity.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is relatively short and front-loaded with the purpose. Parameter explanations are provided in a list format, which is readable. However, given the number of parameters, a more structured approach (e.g., tables) could improve scannability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with 17 parameters, no output schema, and no annotations, the description is incomplete. It fails to explain many parameters, possible return states, error conditions, or prerequisites. The agent would lack critical information to use the tool correctly in many scenarios.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description explains only 3 of 17 parameters (target, device_id, spawn), leaving 14 parameters undocumented. Schema description coverage is 0%, so the agent receives no additional meaning for the majority of parameters. The description adds value for those three but fails to compensate for the overall low coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool connects/attaches to a process and creates a persistent Frida session. It uses specific verbs and resources, and mentions return of session_id. However, it does not explicitly distinguish from sibling tools, though the context implies it is the primary connection tool.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description indicates the session_id is for use with session-based tools and that the session persists until disconnected, which implies when to use this tool for establishing a session. However, it does not provide explicit when-not-to-use guidance or mention alternatives like frida_switch_session.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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