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cypher-mcp

by io.github.lonniev
OverviewDiscussionsAdmin

cypher_list_capabilities

List every capability for semantic intent-matching.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
npubNo
since_msNoEpoch-ms lower bound on change time; 0 (default) = any time.
dpop_tokenNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added
  2. Removed
  3. Added
  4. Removed
  5. Added
  6. Removed
  7. Added
  8. Removed
  9. Added
  10. Removed
  11. Added
  12. Removed
  13. Added
  14. Removed
  15. Added
  16. Removed
  17. Changed1 schema field changed
    • changedInput schema / properties / since_ms / default
      Previous value: -nullNew value: +0
  18. Changed1 schema field changed
    • addedInput schema / properties / since_ms
      Added value: +{
+  "default": null,
+  "description": "Epoch-ms lower bound on change time; 0 (default) = any time.",
+  "type": "integer"
+}
  19. Added

TDQS

C2.4/5.0
Behavior2/5

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

No annotations provided, so description must disclose behavioral traits. It does not mention read-only nature, authentication requirements (dpop_token parameter hints at auth but not stated), pagination, or performance implications.

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

Conciseness3/5

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

Extremely concise (single sentence), but lacks any structure or elaboration. Could be improved with brief parameter notes or usage context.

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?

The tool has 3 optional parameters and no output schema. The description does not clarify output shape, whether since_ms filters 'every' capability, or what 'capability' means in this domain. Insufficient for reliable invocation.

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?

Schema coverage is only 33% (since_ms described), but description adds no parameter information. The description does not explain how npub, since_ms, or dpop_token affect the listing, leaving agents to infer.

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 it lists capabilities for 'semantic intent-matching', which distinguishes it from sibling tools like explain/upsert. However, it does not explicitly differentiate from similar list tools (e.g., cypher_list_coupons).

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 like cypher_explain_capability or cypher_upsert_capability. The description is purely imperative.

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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