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Cenogram - Polish Real Estate Prices & Parcel Data

R2· OAuth, once

Polish real estate for AI: 8M+ deed transaction prices (RCN) + per-parcel context by cadastral ID

v0.6.0 · active · repository · website · descriptor JSON · versions

An agent can connect after a one-time OAuth consent by a human.Remote endpoint behind OAuth 2. Tokens stay with the agent; the registry only exposes the authorization metadata.
Quality58needs work
Trust96of 100
Uptime, 30 days94%
Latency p50500 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "cenogram": {
      "type": "http",
      "url": "https://mcp.cenogram.pl/mcp"
    }
  }
}
claude mcp add --transport http cenogram https://mcp.cenogram.pl/mcp
[mcp_servers.cenogram]
url = "https://mcp.cenogram.pl/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "cenogram": {
      "type": "remote",
      "url": "https://mcp.cenogram.pl/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "cenogram": {
      "type": "http",
      "url": "https://mcp.cenogram.pl/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=cenogram&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmNlbm9ncmFtLnBsL21jcCJ9"
}
{
  "servers": {
    "cenogram": {
      "type": "http",
      "url": "https://mcp.cenogram.pl/mcp"
    }
  }
}
{
  "mcpServers": {
    "cenogram": {
      "httpUrl": "https://mcp.cenogram.pl/mcp"
    }
  }
}
extensions:
  "cenogram":
    enabled: true
    name: "cenogram"
    type: streamable_http
    uri: "https://mcp.cenogram.pl/mcp"
    timeout: 300

Quality 58 / 100needs work

protocoln/a · weight 25
  • n/a
    protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)
authorization83 · weight 15
  • pass
    auth.prmProtected Resource Metadata (RFC 9728) published
  • pass
    auth.as_metadataauthorization server metadata reachable
  • warn
    auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
  • n/a
    auth.secret_in_urlno templated URL
tool hygienen/a · weight 30
  • n/a
    tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool list unknown
dependencies33 · weight 15
  • fail
    deps.known_vulns4 advisories to act on (malicious, or rated high or critical with a fix available): GHSA-x8mw-p69m-v3mx in @fastify/[email protected] (indirect, fixed in 3.2.1), GHSA-v9p9-hfj2-hcw8 in [email protected] (direct, fixed in 6.24.0), GHSA-vrm6-8vpv-qv8q in [email protected] (direct, fixed in 6.24.0), ...; 11 more of lower severity or without a fix
  • fail
    deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
  • pass
    deps.resolvable@cenogram/[email protected] resolved: 119 packages

Tool list unknown · checked 2026-10-20 11:08 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 96 / 100

provenance100
liveness97
freshness85
hygiene100

+repository +namespace-matches-repo +dns-namespace +website +reachable +uptime-94% ~updated-79d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

@cenogram/[email protected] npm118 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisoryseveritypackagefixed in
GHSA-x8mw-p69m-v3mx@fastify/busboy vulnerable to Denial of Service via prototype-named multipart part headerhigh@fastify/[email protected]indirectfixed in 3.2.1
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP serverhigh@modelcontextprotocol/[email protected]MCP SDK, directfixed in 1.31.0
GHSA-v9p9-hfj2-hcw8Undici has Unhandled Exception in WebSocket Client Due to Invalid server_max_window_bits Validationhigh[email protected]directfixed in 6.24.0
GHSA-vrm6-8vpv-qv8qUndici has Unbounded Memory Consumption in WebSocket permessage-deflate Decompressionhigh[email protected]directfixed in 6.24.0
GHSA-vxpw-j846-p89qundici WebSocket client vulnerable to denial of service via fragment count bypasshigh[email protected]directfixed in 6.27.0
GHSA-gxm5-99cw-xjw9@fastify/busboy vulnerable to CRLF injection via multipart Content-Disposition filename and namemoderate@fastify/[email protected]indirectfixed in 3.2.2
GHSA-2mjp-6q6p-2qxmUndici has an HTTP Request/Response Smuggling issuemoderate[email protected]directfixed in 6.24.0
GHSA-4992-7rv2-5pvqUndici has CRLF Injection in undici via `upgrade` optionmoderate[email protected]directfixed in 6.24.0
GHSA-8xcm-r25x-g524undici vulnerable to downstream response desynchronization via retry interceptormoderate[email protected]directfixed in 6.28.0
GHSA-g9mf-h72j-4rw9Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustionmoderate[email protected]directfixed in 6.23.0

6 more advisories in the dependencies endpoint.

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.cenogram.pl/mcp streamable-httpoauth2 AS: https://api.cenogram.plyes94%500 ms–2026-10-20
packageregistryversionruntimesecrets
@cenogram/mcp-servernpm0.6.0–

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "pl.cenogram/mcp-server",
  "title": "Cenogram - Polish Real Estate Prices & Parcel Data",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.cenogram.pl/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.6.0",
  "packages": [
    {
      "version": "0.6.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@cenogram/mcp-server",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "CENOGRAM_API_KEY",
          "description": "API key from cenogram.pl/api (free, email registration)"
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/cenogram/mcp-server",
    "source": "github"
  },
  "websiteUrl": "https://cenogram.pl/en/mcp?src=mcpregistry",
  "description": "Polish real estate for AI: 8M+ deed transaction prices (RCN) + per-parcel context by cadastral ID"
}