Kleinanzeigen
https://mcp.beatanalytics.org/kleinanzeigen/mcp ↗
Description
Search and retrieve listings from Kleinanzeigen, Germany's largest classifieds platform (formerly eBay Kleinanzeigen). This MCP server returns listing details including prices, descriptions, images, location, and seller information. Use it for price monitoring, market research on the German secondhand and local services market, or building lead generation tools that react to new listings. To get started, create an API key at [beatanalytics.org/kleinanzeigen](https://beatanalytics.org/kleinanzeigen) and add it to your server configuration.
What our measurements say
Kleinanzeigen is a remote MCP server published at mcp.beatanalytics.org. It has been probed 7 times since 9/10/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 204 ms, placing it among the faster endpoints. It offers a narrow, focused set of 2 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Distinct tool purposes with no overlap between 'search' and 'post' functions
- Descriptions include actionable use cases for market research and lead generation
Weaknesses
- 'post' tool name is ambiguous (could imply creating content rather than retrieving details)
- No explicit mention of authentication requirements or rate limits
- Parameter details (like required vs optional fields) are not specified
search— Description could clarify if filters are required or optionalpost— Name may mislead agents expecting a 'create listing' functionsearch— No mention of API key requirement in tool parameterspost— No mention of error handling for invalid listing IDs
Verdict
Event narrative
Risk: medium
- 2026-09-10T21:16:35.016Z — era changed from 'auth-gated' to 'legacy' · indicates compliance score became measurable
- 2026-09-11T03:50:39.090Z — complianceScore improved from null to 100 · shows successful transition with full compliance
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 29ms → warm 31ms (penalty 0ms)
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Server build: — → 3.3.1
- Supported versions: — → 2025-11-25
- Era changed: Auth-gated → Legacy
- Added to watch — era: Auth-gated
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