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mcp-local-rag

mcp-local-rag

by xiuxiansk
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

delete_file

Remove previously ingested files or data from the local vector database by providing filePath or source. Use to clean up indexed content when documents are updated or no longer needed.

Instructions

Delete a previously ingested file or data from the vector database. Use filePath for files ingested via ingest_file, or source for data ingested via ingest_data. Either filePath or source must be provided. Returns deleted (operation succeeded), removedChunks, and existed (whether anything was actually present).

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "delete_file"
  }
}

Input Schema

NameRequiredDescriptionDefault
sourceNoSource identifier used in ingest_data. Examples: "https://example.com/page", "clipboard://2024-12-30"
filePathNoAbsolute path to the file (for ingest_file). Example: "/Users/user/documents/manual.pdf"

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.17.3

TDQS

A4.6/5.0
Behavior4/5

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

No annotations are provided, so the description carries the full burden. It discloses return values (deleted, removedChunks, existed) and the conditional requirement, which goes beyond the schema. It does not explicitly state irreversibility, but the term 'delete' implies it, and chunk removal is mentioned.

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

Conciseness5/5

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

The description is three sentences, front-loaded with the action, and every sentence adds value. It is concise without sacrificing important details like return values and parameter selection.

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

Completeness4/5

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

Given the moderate complexity of the tool, the description covers the essential decision (filePath vs source), the required parameter constraint, and the return values. It lacks edge-case details like what happens if both parameters are provided, but this is minor given the overall clarity.

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

Parameters4/5

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

Schema coverage is 100%, but the description adds critical semantic context by mapping parameters to ingestion methods and clarifying the 'either/or' requirement. This goes beyond the schema's examples and helps the agent choose correctly.

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

Purpose5/5

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

The description clearly states the tool deletes a previously ingested file or data from the vector database, using specific verbs and resource. It distinguishes itself from sibling tools like ingest_file and query_documents, as deletion is a unique operation.

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

Usage Guidelines5/5

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

Explicitly explains when to use each parameter: filePath for files ingested via ingest_file, source for data ingested via ingest_data. It also states that either must be provided, guiding the agent on parameter selection.

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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