What is a CC-e (Carta de Correção)?

CC-e is a Correction Letter used to fix minor errors in an authorized NF-e, such as typos in the buyer's address or product descriptions. It cannot be used to change values, quantities, or tax rates.

When should I use Inutilização?

Use Inutilização when a range of NF-e numbering has been damaged, lost, or will not be used. This tells the tax authority that those numbers are intentionally skipped.

What is DF-e Distribution?

DF-e Distribution allows you to query all fiscal documents (NF-e, CT-e, etc.) issued against your CNPJ. Use it with the last NSU to retrieve only new documents.

Can I automate my accounting department with this?

Yes! The 'List by Period' and 'Download XML & DANFE' tools allow your AI agent to fetch all invoices from a specific month, download the XMLs, and seamlessly integrate them into accounting workflows.

Focus Admin MCP Server for CrewAI 10 tools — connect in under 2 minutes

Name: Focus Admin
Availability: InStock
Author: Vinkius

docs.crewai.com/mcp/overview

Built by Vinkius GDPR 10 Tools Framework

Connect your CrewAI agents to Focus Admin through Vinkius, pass the Edge URL in the `mcps` parameter and every Focus Admin tool is auto-discovered at runtime. No credentials to manage, no infrastructure to maintain.

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python

from crewai import Agent, Task, Crew

agent = Agent(
    role="Focus Admin Specialist",
    goal="Help users interact with Focus Admin effectively",
    backstory=(
        "You are an expert at leveraging Focus Admin tools "
        "for automation and data analysis."
    ),
    # Your Vinkius token. get it at cloud.vinkius.com
    mcps=["https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"],
)

task = Task(
    description=(
        "Explore all available tools in Focus Admin "
        "and summarize their capabilities."
    ),
    agent=agent,
    expected_output=(
        "A detailed summary of 10 available tools "
        "and what they can do."
    ),
)

crew = Crew(agents=[agent], tasks=[task])
result = crew.kickoff()
print(result)

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* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Focus Admin MCP Server

Connect Focus Admin to any AI agent and access advanced fiscal management tools — send Correction Letters (CC-e), inutilize NF-e numbering, distribute DF-e documents, download XMLs and DANFEs, and list all invoices by period through natural conversation.

When paired with CrewAI, Focus Admin becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Focus Admin tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.

What you can do

Send CC-e — Issue Correction Letters for authorized NF-e with minor errors
Cancel CC-e — Cancel previously sent Correction Letters
Inutilize Numbering — Mark damaged or lost NF-e numbering ranges as unused
Download XML & DANFE — Retrieve authorized NF-e XML documents and DANFE PDFs
Distribute DF-e — Query available DF-e documents for your CNPJ by NSU
List by Period — Retrieve all NF-e or NFS-e issued or received within a date range
Download Event XML — Get XML for specific NF-e events (manifestations, CC-e, etc.)

The Focus Admin MCP Server exposes 10 tools through the Vinkius. Connect it to CrewAI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Focus Admin to CrewAI via MCP

Follow these steps to integrate the Focus Admin MCP Server with CrewAI.

Install CrewAI

Run pip install crewai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Customize the agent

Adjust the role, goal, and backstory to fit your use case

Run the crew

Run python crew.py. CrewAI auto-discovers 10 tools from Focus Admin

Why Use CrewAI with the Focus Admin MCP Server

CrewAI Multi-Agent Orchestration Framework provides unique advantages when paired with Focus Admin through the Model Context Protocol.

Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools

CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the `mcps` parameter and agents auto-discover every available tool at runtime

Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls

Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports

Focus Admin + CrewAI Use Cases

Practical scenarios where CrewAI combined with the Focus Admin MCP Server delivers measurable value.

Automated multi-step research: a reconnaissance agent queries Focus Admin for raw data, then a second analyst agent cross-references findings and flags anomalies. all without human handoff

Scheduled intelligence reports: set up a crew that periodically queries Focus Admin, analyzes trends over time, and generates executive briefings in markdown or PDF format

Multi-source enrichment pipelines: chain Focus Admin tools with other MCP servers in the same crew, letting agents correlate data across multiple providers in a single workflow

Compliance and audit automation: a compliance agent queries Focus Admin against predefined policy rules, generates deviation reports, and routes findings to the appropriate team

Focus Admin MCP Tools for CrewAI (10)

These 10 tools become available when you connect Focus Admin to CrewAI via MCP:

cancel_cc_e

Cancel a previously sent CC-e

distribute_dfe

Distribute DF-e documents (consult NSU)

download_event_xml

Download XML for a specific NF-e event

download_nfe_danfe

Download NF-e DANFE PDF

download_nfe_xml

Download NF-e XML document

inutilize_numbering

Inutilize a range of NF-e numbering

list_nfe_by_period

List NF-e documents by period

list_nfse_emitted

List NFS-e emitted by the company

list_nfse_received

List NFS-e received (tomadas) by the company

send_cc_e

Send a Correction Letter (CC-e) for NF-e

Example Prompts for Focus Admin in CrewAI

Ready-to-use prompts you can give your CrewAI agent to start working with Focus Admin immediately.

"Send a CC-e for NF-e REF-001 correcting the buyer's phone number."

"Inutilize NF-e numbering from 1000 to 1050 for series 1, model 55, year 2026."

"List all NF-e issued by CNPJ 12.345.678/0001-00 from 2026-03-01 to 2026-03-31."

Troubleshooting Focus Admin MCP Server with CrewAI

Common issues when connecting Focus Admin to CrewAI through the Vinkius, and how to resolve them.

MCP tools not discovered

Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.

Agent not using tools

Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".

Timeout errors

CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.

Rate limiting or 429 errors

Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.

Focus Admin + CrewAI FAQ

Common questions about integrating Focus Admin MCP Server with CrewAI.

How does CrewAI discover and connect to MCP tools?

CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.

Can different agents in the same crew use different MCP servers?

Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.

What happens when an MCP tool call fails during a crew run?

CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.

Can CrewAI agents call multiple MCP tools in parallel?

CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.

Can I run CrewAI crews on a schedule (cron)?

Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.