| FMRS | 67 / 100 · C | 77 / 100 · B | 75 / 100 · B |
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| Reliability | 11 / 20 | 12 / 20 | 13 / 20 |
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| Security and permissions | 14 / 20 | 16 / 20 | 12 / 20 |
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| Maintenance | 14 / 20 | 16 / 20 | 16 / 20 |
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| Documentation | 13 / 20 | 18 / 20 | 17 / 20 |
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| Setup experience | 15 / 20 | 15 / 20 | 17 / 20 |
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| Best for | - Accounting, ERP, CRM and finance-automation teams serving the Brazilian market.
- Developers who want local, offline NF-e/SPED processing without uploading XML to third parties.
- Users of MCP clients such as Claude or Cursor who want to query Brazilian tax data in natural language.
- Anyone needing offline reference tables such as NCM/CFOP/CST/CEST/ICMS and BCB indexers.
| - Hevy PRO users who want AI assistants to directly access their workout data
- People who prefer using MCP clients like Claude, Cursor, Codex for fitness tracking
- Anyone needing summaries and insights from their training data
| - Scenarios needing clean, structured web context fed to an AI assistant
- Users already on the Firecrawl platform who want to call its scraping capability directly via MCP
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| Not for | - Users needing US or other non-Brazilian tax capabilities.
- Those expecting official government backing or an official MCP project (this server is maintained by DeHor-Labs, not officially).
- Anyone wanting SEFAZ real-time status, distribution or manifestation without configuring an A1 certificate.
- Large-scale CNPJ lookup by company name, which is experimental with limited coverage.
| - Users without a Hevy PRO subscription (API key required)
- Users who want to use the server without an API key
- Those needing delete workflows (Hevy API does not expose delete endpoints)
| - Simple static-page scraping where you don't want to depend on a third-party API and incur call costs
- Sites that explicitly disallow automated access (robots.txt)
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| Required permissions | - Runs locally as an MCP server over stdio; no account or API key required.
- Network access: calls BrasilAPI (cnpj, nfe, and more) plus an optional ReceitaWS fallback.
- Optional A1 digital certificate: requires reading a local .pfx/.p12 file and its password for SEFAZ mTLS and XMLDSig signing.
- Optional environment variables: MCP_FISCAL_LOG_LEVEL, BRASILAPI_BASE_URL, HTTP_TIMEOUT, and NFE_CERTIFICADO_PATH, NFE_CERTIFICADO_SENHA, NFE_EMITENTE_CNPJ, NFE_AMBIENTE.
| - Requires HEVY_API_KEY environment variable for Hevy API authentication
- Can create, update, and replace workouts, routines, folders, templates, and body measurements via tools
- Read operations can fetch workouts, routines, folders, templates, history, and user info
| - Requires a Firecrawl API key to call; cost and quota are governed by the Firecrawl account
- firecrawl_agent/firecrawl_interact perform automated browser interaction, which may trigger login or form-submission flows on the target site
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| Risks and side effects | - Third-party sources (BrasilAPI, ReceitaWS, SEFAZ) can be unstable or change, making results stale or failing.
- With an A1 certificate enabled, the certificate file and password are sensitive local assets: inject them via a secrets manager as documented and never commit plaintext passwords.
- Tool outputs and advice (such as risk scores or regime comparisons) are informative and do not replace a professional accountant or legal advice.
- consultar_status_sefaz raises FiscalConfigurationError when no certificate is configured and the HTTP endpoint returns 503; distinguish this from an actual SEFAZ outage.
- The experimental listar_cnpjs_por_nome tool has limited coverage and may return unexpected results.
| - API key can be misused if leaked; do not expose in URLs, logs, or screenshots
- Create operations may produce duplicates on retry; update operations replace existing records
- The server sends data to the Hevy API and may send telemetry to external services unless disabled
| - Bulk crawl/map tools can generate significant request volume against a target site — respect the site's rate limits and terms of service
- firecrawl_agent's interactive action chain is longer — define task boundaries clearly before running it to avoid accidentally triggering actions on a sensitive site
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| Supported clients | Claude Desktop, Claude Code, Cursor, VS Code + Continue | Claude Desktop, Cursor, Codex, Google Antigravity | Claude Desktop, VS Code, Cursor, Windsurf, Zed, Amp |
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| Tools | 25 | 26 | 11 |
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