analysis_ast_match
Match AST nodes by type and optional property filter.
This record as markdown: /tools/io-github-vmoranv-jshookmcp/analysis-ast-match.md
What analysis_ast_match does on Jshookmcp
AI agents call analysis_ast_match to retrieve information from Jshookmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why analysis_ast_match is rated Low
Analyzes abstract syntax trees without modifying code or executing operations.
From the tool's definition Match AST nodes by type and optional property filter.
Attacks that exploit this kind of access
The rule that runs analysis_ast_match safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Jshookmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For analysis_ast_match, this is the rule to start with:
analysis_ast_match is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Jshookmcp, apply this rule, and every analysis_ast_match call is checked against it from then on.
Questions about analysis_ast_match
Match AST nodes by type and optional property filter. It is categorised as a Read tool in the Jshookmcp MCP Server, which means it retrieves data without modifying state.
Register the Jshook MCP server in PolicyLayer and add a rule for analysis_ast_match: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Jshookmcp. Nothing to install.
analysis_ast_match is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the analysis_ast_match rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for analysis_ast_match. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
analysis_ast_match is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Jshook, and thousands of servers like it.
This server
Across the catalogue