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CAR (Cadastro Ambiental Rural)

Server Details

Looks up the Rural Environmental Registry (CAR) of a property from the CAR number. Platform-hosted,

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Status
Healthy
Uptime
95.7% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
mcp-dir/car_ambiental_rural-mcp
GitHub Stars
0
Server Listing
CAR (Cadastro Ambiental Rural) MCP Server
ChatGPT
–
Claude
–

TDQS

B3.3/5.0

Scored across 7 tools

Disambiguation2/5

The tool set is a confusing mix of generic platform operations (marketplace, connect, toolkit_info, report_bug, show_version, authenticate) and one domain-specific tool (car_ambiental_rural_consultar). Several platform tools have overlapping or unclear boundaries: marketplace also lists installed tools, overlapping with toolkit_info; authenticate and connect both deal with authentication status. The single CAR tool stands out as unrelated to the rest, making it hard for an agent to know which tool to pick for a given task.

Naming Consistency1/5

Tool naming is highly inconsistent: mixed languages (English 'authenticate', Portuguese 'car_ambiental_rural_consultar'), mixed casing (camelCase 'authenticate', 'marketplace' versus snake_case 'car_ambiental_rural_consultar', and multi-word compounds 'show_version', 'toolkit_info', 'report_bug'). There is no discernible verb_noun pattern or consistent style across the set.

Tool Count2/5

While 7 tools is a reasonable count for a typical server, this server is named 'CAR' but only one of the seven tools actually relates to CAR. The other six are generic platform administration tools that would be expected in a completely different server (e.g., an MCP.AI toolkit management server). The count is thus inappropriate for the server's stated domain, as the majority of tools are out of place.

Completeness2/5

For a server ostensibly about CAR (Cadastro Ambiental Rural), the only domain tool is a single consult operation. There is no coverage for other plausible CAR workflows (e.g., listing properties, updating data, or exporting information). The remaining platform tools are unrelated to CAR, so the domain surface is severely incomplete. Even if the intended scope is solely 'consult,' the presence of many unrelated tools makes the completeness of the set as a whole poor.

Available Tools

7 tools
authenticateA
Idempotent
Inspect

MCP.AI for IDE agents (Cursor, etc.): log in in the browser, copy the access token. Best: add it to this server's config as a header Authorization: Bearer <token> for a permanent, non-expiring connection. Or paste it here for a session-only login: call with { token: "" } after the user pastes, or with no args to get the link.

Inputs: token.

car_ambiental_rural_consultarA
Read-onlyIdempotent
Inspect

Consulta o Cadastro Ambiental Rural (CAR) de um imóvel a partir do número do CAR. Hospedado pela plataforma, sem credenciais, pague por consulta com crédito pré-pago. Consulta informação de ACESSO PÚBLICO em bases e fontes oficiais (a mesma disponível ao cidadão), não é dado privado nem sigiloso. O cliente é o controlador dos dados e responde pela finalidade legítima (LGPD).

Inputs: NumeroCAR (required), completo.

connectA
Read-onlyIdempotent
Inspect

Returns connection status and URLs. When all providers are connected, returns authenticated:true and empty pending[]. When credentials are missing, returns connect_url for the toolkit and per-install URLs.

Inputs: no named parameters.

marketplaceAInspect

The official mcp.ai marketplace — the in-platform catalog of every MCP/tool, AND the way to run them. Covers capability requests like "find an MCP that does X", "consulta um CPF", "is there a tool for Y". Core flow: action=search discovers MCPs by intent → describe returns one MCP's full profile (every tool with its id + params, pricing, auth) so you pick the right tool_id → invoke RUNS that tool. KEY: invoke works even when the MCP is NOT installed — it runs the tool pontualmente (one-off), without adding the MCP to the toolkit and without bloating the tool list. If the MCP needs a credential/login, invoke returns a connect link; if it is paid and the wallet is empty, invoke returns a checkout/top-up link (the user opens it, then you retry). Use install only to make an MCP PERMANENT in the active toolkit (its tools then show up natively in future sessions); prefer invoke for a single/occasional use. list_tools lists what is callable right now. subscribe/cancel handle per-MCP billing; report_bug sends feedback; request_mcp asks us to build a NEW MCP when nothing fits. Search/describe flag installed_in_toolkit vs installed_in_workspace. Writes (install/uninstall/subscribe/cancel and the one-off install behind invoke) require workspace owner/admin. It also carries the mcp.ai PROMPT LIBRARY, which is about ready-made prompt TEXT rather than MCPs: search_prompts finds one, get_prompt returns its full text with {{variables}} filled, and publish_prompt saves a prompt and returns a shareable mcp.ai/p/ link that opens without login.

Inputs: limit, query, action, mcp_id, +19 more.

report_bugA
Idempotent
Inspect

Report a bug, missing feature, or send feedback. Include the conversation array with recent messages for reproduction.

Inputs: message (required), context, conversation.

show_versionA
Read-onlyIdempotent
Inspect

Show the current MCP platform and adapter versions.

Inputs: no named parameters.

toolkit_infoA
Read-onlyIdempotent
Inspect

Returns the current toolkit state: installed MCPs, their connection status, the accounts connected to each one, and how many catalog tools each exposes.

Inputs: no named parameters.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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      license
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      Enables querying official Rural Environmental Registry (CAR) data for properties, supporting read-only lookups with pay-per-use prepaid credits.
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