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by io.opsphere.mcp-cursor
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Cloudflare: KV keys

cf_kv_keys_list
Read-only

List keys in a KV namespace (metadata only, not values). Supports prefix filter and pagination.

Input Schema

NameRequiredDescriptionDefault
cursorNo
prefixNoKey prefix filter
per_pageNo
zoneOrIdNoZone name (e.g. your-tenant.com) or zone ID to resolve account.id
accountIdNoCloudflare account ID; overrides CLOUDFLARE_ACCOUNT_ID and zone.account.id
context_idNoOptional explicit Connection Hub work context (ctx_*). Omit to use the conversation's active workspace; global Hub tools ignore it.
namespaceIdYesKV namespace ID
account_slugNoCloudflare account slug. Required when the workspace has multiple accounts and the zone is not yet cataloged.
environment_slugNoCloud Catalog environment used as an account-routing preference when no zone is provided.

Output Schema

NameRequiredDescriptionDefault
okYes
dataYes
contractVersionYes
dataSchemaVersionYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed16 schema fields changed
    • changedOutput schema / properties / data / additionalProperties
      Previous value: -trueNew value: +false
    • removedOutput schema / properties / data / properties / count
      Removed value: -{
-  "type": "number"
-}
    • removedOutput schema / properties / data / properties / errors
      Removed value: -{
-  "items": {
-    "$ref": "#/properties/data/properties/result/anyOf/0/items"
-  },
-  "type": "array"
-}
    • addedOutput schema / properties / data / properties / gaps
      Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}
    • removedOutput schema / properties / data / properties / items
      Removed value: -{
-  "$ref": "#/properties/data/properties/result/anyOf/0"
-}
    • addedOutput schema / properties / data / properties / keys
      Added value: +{
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "expiration": {
+        "type": "number"
+      },
+      "name": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "name"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}
    • removedOutput schema / properties / data / properties / messages
      Removed value: -{
-  "items": {
-    "anyOf": [
-      {
-        "type": "string"
-      },
-      {
-        "$ref": "#/properties/data/properties/result/anyOf/0/items"
-      }
-    ]
-  },
-  "type": "array"
-}
    • addedOutput schema / properties / data / properties / partial
      Added value: +{
+  "type": "boolean"
+}
    • removedOutput schema / properties / data / properties / result
      Removed value: -{
-  "anyOf": [
-    {
-      "items": {
-        "additionalProperties": true,
-        "properties": {},
-        "type": "object"
-      },
-      "type": "array"
-    },
-    {
-      "$ref": "#/properties/data/properties/result/anyOf/0/items"
-    }
-  ]
-}
    • removedOutput schema / properties / data / properties / result_info
      Removed value: -{
-  "$ref": "#/properties/data/properties/result/anyOf/0/items"
-}
    • removedOutput schema / properties / data / properties / success
      Removed value: -{
-  "type": "boolean"
-}
    • addedOutput schema / properties / data / properties / truncated
      Added value: +{
+  "type": "boolean"
+}
    • addedOutput schema / properties / data / properties / warnings
      Added value: +{
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}
    • addedOutput schema / properties / data / required
      Added value: +[
+  "keys",
+  "partial",
+  "truncated",
+  "warnings",
+  "gaps"
+]
    • addedOutput schema / properties / dataSchemaVersion
      Added value: +{
+  "const": 2,
+  "type": "number"
+}
    • changedOutput schema / required
      Previous value: -[
-  "contractVersion",
-  "ok",
-  "data"
-]New value: +[
+  "contractVersion",
+  "dataSchemaVersion",
+  "ok",
+  "data"
+]
  2. First observed

TDQS

A3.7/5.0
Behavior3/5

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

Annotations already cover the safety profile (readOnlyHint=true, destructiveHint=false, openWorldHint=false), so the description only needs to add context. It adds the useful 'keys not values' clarification and pagination mention, but says nothing about page size limits, cursor exhaustion behavior, or rate limits for a 9-param enumeration 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?

One sentence, front-loaded with the verb and resource, then two clarifying clauses. Every clause earns its place and nothing is padded.

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

Completeness3/5

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

An output schema exists so return values needn't be explained, but for a tool with 9 parameters and several account/zone-resolution knobs, the description leaves the routing precedence rules entirely to the schema. Adequate to call correctly in the common case, incomplete for multi-account workspaces.

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 coverage is 78%, so most parameters are documented in the schema itself. The description names only prefix and pagination (cursor/per_page) and is silent on the account-routing parameters (zoneOrId, accountId, account_slug, environment_slug, context_id) that dominate this tool's complexity. Baseline 3 is appropriate at this coverage level.

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?

States a specific verb and resource ('List keys in a KV namespace') and immediately disambiguates from the value-reading sibling by parenthetical '(metadata only, not values)'. An agent can tell this apart from cf_kv_value_get without opening either schema.

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

Usage Guidelines3/5

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

The list-vs-read distinction is implied by the 'metadata only, not values' note, and prefix/pagination are surfaced. But there's no explicit directive on when to prefer this over cf_kv_value_get, nor any stated prerequisite that namespaceId must come from cf_kv_namespaces_list.

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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