pubchem-compound

Fetch chemical compound data from PubChem by name, CID, etc.

SERVERMeta Data Mcp SOURCEpypi:meta-data-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/pubchem-compound.md

WHAT IT DOES

What pubchem-compound does on Meta Data Mcp

AI agents call pubchem-compound to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why pubchem-compound is rated Low

This tool queries an open data API (PubChem) to retrieve chemical compound information. It has no side effects, does not modify data, execute code, delete records, or move money. The blast radius of misuse is minimal — an AI agent could only retrieve data already publicly available. This is a straightforward Read category tool.

From the tool's definition Tool description states 'Fetch chemical compound data from PubChem' — a retrieval operation with no modification or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pubchem-compound safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pubchem-compound, this is the rule to start with:

pubchem-compound Allowed

pubchem-compound is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pubchem-compound": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every pubchem-compound call is checked against it from then on.

FAQ

Questions about pubchem-compound

What does the pubchem-compound tool do? +

Fetch chemical compound data from PubChem by name, CID, etc. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pubchem-compound? +

Register the Meta Data MCP server in PolicyLayer and add a rule for pubchem-compound: 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 Meta Data Mcp. Nothing to install.

What risk level is pubchem-compound? +

pubchem-compound is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit pubchem-compound? +

Yes. Add a rate_limit block to the pubchem-compound 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.

How do I block pubchem-compound completely? +

Set action: deny in the PolicyLayer policy for pubchem-compound. 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.

What MCP server provides pubchem-compound? +

pubchem-compound is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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