Teppek

renew_listing

Renew one of the USER'S OWN listings — extend its expiry another 30 days (native listings lapse ~30 days after posting). Free — no credit charge. Renewing an expired listing returns it to active; a pending, rejected, sold, or draft listing cannot be renewed.

Input Schema

Name	Required	Description	Default
`listing_id`	Yes	Listing id, taken from the `id` field of search_listings, semantic_search or list_my_listings results. Example: "adzuna-us-5947308680".

Output Schema

Name	Required	Description	Default
`listing`	Yes
`success`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 31, 2026
- addedInput schema / additionalProperties
```
Added value: +false
```

Changed1 schema field changedOct 31, 2026

addedInput schema / properties / listing_id / description

Added value: +"Listing id, taken from the `id` field of search_listings, semantic_search or list_my_listings results. Example: \"adzuna-us-5947308680\"."

Changed1 schema field changedJul 29, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": {},
+  "properties": {
+    "listing": {
+      "additionalProperties": {},
+      "properties": {
+        "currency": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "id": {
+          "type": "string"
+        },
+        "price": {
+          "anyOf": [
+            {
+              "type": "number"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "status": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "title": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
+        "url": {
+          "type": "string"
+        },
+        "vertical": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        }
+      },
+      "type": "object"
+    },
+    "success": {
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "success",
+    "listing"
+  ],
+  "type": "object"
+}

First observedJul 27, 2026

TDQS

A4.6/5.0

Behavior5/5

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

Adds substantial context beyond the annotations: it is free with no credit charge, it mutates listing state (expired → active), and it enumerates the statuses that block renewal. These details are the ones an agent must know before calling a non-idempotent, non-read-only mutation.

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?

Three short sentences, front-loaded with the action and scope, then cost, then state rules. No filler and nothing repeated from the annotations.

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?

An output schema exists so return values need no explanation, and cost plus state eligibility are covered. The one ambiguity is whether the 30 days accrue from now or from the existing expiry for an active listing.

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% and listing_id is already documented with a source and example, so the schema carries most weight. The description still adds the critical constraint that the id must belong to the caller's own listings, which the schema does not convey.

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 (renew a listing) plus the exact effect (extend expiry by 30 days) and the ownership scope (USER'S OWN). An agent can distinguish this from update_listing or set_listing_status without opening the schema.

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

Usage Guidelines4/5

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

Gives explicit when-not conditions: pending, rejected, sold, or draft listings cannot be renewed, while expired ones return to active. It lacks a named alternative (e.g., use set_listing_status to reactivate a sold item), so the routing guidance is clear but not complete.

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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