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Shared Memory MCP Server

Shared Memory MCP Server

by dx-corp
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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get_discoveries_since

Retrieve discoveries from the shared memory server made after a specified timestamp to access incremental updates and coordinate agent activities.

Instructions

Get discoveries made since a specific timestamp

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": {
      "session_id": "<session_id>",
      "since_timestamp": "<since_timestamp>"
    },
    "name": "get_discoveries_since"
  }
}

Input Schema

NameRequiredDescriptionDefault
session_idYesSession ID
since_timestampYesTimestamp (milliseconds since epoch)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries full burden. It states the action but lacks behavioral details: it doesn't specify if this is a read-only operation, what permissions are needed, how results are returned (e.g., pagination, format), or error handling. This is a significant gap for a tool with no annotation coverage.

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, efficient sentence with zero waste. It is appropriately sized and front-loaded, directly stating the tool's purpose without unnecessary elaboration.

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?

Given no annotations and no output schema, the description is incomplete. It doesn't explain return values, error cases, or behavioral traits, leaving gaps for a tool that likely returns data. More context is needed to fully understand how to use it effectively.

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

Parameters3/5

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

Schema description coverage is 100%, so the schema already documents both parameters ('session_id' and 'since_timestamp'). The description adds no additional meaning beyond implying temporal filtering, which is already clear from the schema. Baseline 3 is appropriate when schema does the heavy lifting.

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

Purpose4/5

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

The description clearly states the verb ('Get') and resource ('discoveries'), specifying the temporal scope ('since a specific timestamp'). It distinguishes from siblings like 'get_session_info' or 'get_session_stats' by focusing on discoveries, but doesn't explicitly differentiate from potential similar tools (none listed).

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 on when to use this tool versus alternatives is provided. The description implies usage when needing discoveries after a timestamp, but doesn't mention prerequisites, exclusions, or compare to siblings like 'get_context_delta' or 'expand_context_section' that might relate to context changes.

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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