add_documents

Add one or multiple documents to an index. Documents should be provided as an array of JSON objects. Each document should have the schema specified by the corresponding index

ServerSearchcraft MCP Server
CategoryWrite

How to control add_documents ↓

WHAT IT DOES

What add_documents does on Searchcraft MCP Server

AI agents use add_documents to create or update resources in Searchcraft MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Searchcraft MCP Server environment.

THE RISK

Medium Risk

Why add_documents needs a policy

This tool creates and adds documents to an index, which is a reversible write operation. It does not delete data (would be Destructive), does not execute arbitrary code (would be Execute), involves no financial transactions (would be Financial), and does not merely query/retrieve existing data (would be Read).

From the tool's definition Tool description states 'Add one or multiple documents to an index' — the verb 'Add' indicates document creation/insertion, which is a write operation that modifies the search index by appending new data.

Documented attack patterns abuse exactly the kind of access add_documents gives an agent:

POLICY

How to control add_documents

PolicyLayer is an MCP gateway — it sits between your AI agents and Searchcraft MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for add_documents:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_documents": {
      "limits": [
        {
          "counter": "add_documents_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

add_documents stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Searchcraft MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Searchcraft MCP Server tools

Destructive delete_all_documents Delete all documents from an index. The index will continue to exist after all documents a Destructive delete_all_keys Delete all authentication keys on the Searchcraft cluster. Use with extreme caution! Destructive delete_all_stopwords Delete all custom stopwords from an index. This only affects custom stopwords, not the def Destructive delete_all_synonyms Delete all synonyms from an index. Destructive delete_document_by_id Delete a single document from an index by its internal Searchcraft ID (_id). Destructive delete_documents_by_field Delete one or several documents from an index by field term match (e.g., {id: Destructive delete_documents_by_query Delete one or several documents from an index by query match. Destructive delete_federation Delete a federation permanently.

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about add_documents

What does the add_documents tool do? +

Add one or multiple documents to an index. Documents should be provided as an array of JSON objects. Each document should have the schema specified by the corresponding index. It is categorised as a Write tool in the Searchcraft MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_documents? +

Register the Searchcraft MCP Server MCP server in PolicyLayer and add a rule for add_documents: 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 Searchcraft MCP Server. Nothing to install.

What risk level is add_documents? +

add_documents is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_documents? +

Yes. Add a rate_limit block to the add_documents 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 add_documents completely? +

Set action: deny in the PolicyLayer policy for add_documents. 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 add_documents? +

add_documents is provided by the Searchcraft MCP Server MCP server (searchcraft-inc/searchcraft-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Searchcraft MCP Server tool call.

Start from Searchcraft MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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48 Searchcraft MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.