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astra-mcp

astra-mcp

by nimelkot
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

astra_index_repo

Index a local Python code directory into Astra's graph and vector store, enabling semantic search and code intelligence.

Instructions

Index a local Python code directory into Astra's graph and vector store.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "path": "<path>"
    },
    "name": "astra_index_repo"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are present, so the description carries the full burden of behavioral disclosure. It only states the action without disclosing whether the operation is destructive, requires permissions, is additive or overwriting, or what the return value or side effects are. This is a significant gap for a mutating tool.

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 a single, direct sentence with zero filler. It is appropriately concise and the primary action is stated immediately.

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 an indexing operation with no annotations, no output schema, and an undocumented parameter, the description is critically incomplete. It does not explain prerequisites, the effect on an existing index, or the result of the operation. An agent cannot predict what happens on success or failure.

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

Parameters1/5

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

The schema provides no description for the sole parameter 'path' (0% coverage), and the tool description does not reference it at all. There is no indication of expected format (absolute vs relative, file vs directory), whether it must exist, or what constraints apply. The agent has no way to correctly populate the parameter.

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 states a specific verb ('Index') and a specific resource ('local Python code directory'), and it is clearly distinct from the sibling tools which are query/visualization operations. The purpose is unambiguous and immediately understood.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus the alternatives. There is no mention that indexing is a prerequisite for search tools, nor any exclusions or conditions that would help an agent decide to call this instead of astra_semantic_search or astra_visualize.

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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