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Slacking.biz — SEC Financial Data + US Economics + Demographics + FX

io.github.Th3Slack3r/slacking-biz in the official MCP registry. Endpoint https://slacking.biz/mcp.

The registry describes it as: 75 MCP tools: SEC financials, FRED economics, IRS 990, FDA, FX, UK Companies House.

Connect it

The endpoint answers MCP over HTTP; that is how we read it. Add it to your client:

claude mcp add --transport http slacking-biz https://slacking.biz/mcp

{
  "mcpServers": {
    "slacking-biz": {
      "url": "https://slacking.biz/mcp"
    }
  }
}

code --add-mcp '{"name":"slacking-biz","type":"http","url":"https://slacking.biz/mcp"}'

Some servers ask you to sign in the first time a client connects, or want a key from the people who run them; the server's own docs say which. The free lazaretto-guard plugin reads a server's tools the moment Claude Code adds it and asks you if one of our rules matches.

Tools it advertises

get_company_health get_trends industry_comparison get_revenue_segments get_income_statement get_balance_sheet get_cash_flow get_all_financial_data get_company_profile get_filing_types search_filings get_insider_trades get_sentiment compare_companies screen_companies batch_query fx_get_rates fx_get_pair_rate fx_convert fx_list_currencies get_gdp search_scholarly get_labor_series get_air_quality get_bea_gdp get_inflation get_rates get_employment get_housing get_econ_summary get_zip_demographics get_county_demographics treasury_debt treasury_fx_rates treasury_interest_rates eurostat_gdp eurostat_inflation eurostat_unemployment oecd_leading_indicators nws_forecast nws_alerts fda_drug_labels fda_recalls health_drug_lookup health_drug_ndc health_drug_search health_adverse_events health_adverse_events_by_ndc health_recalls health_recalls_by_company health_device_510k health_summary datausa_population datausa_income usgs_earthquakes usaspending_budget usaspending_awards imf_indicator edgar_fulltext_search nonprofit_990_lookup and 15 more

Run this server? Show the check in your README

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How this was checked

Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.

To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.

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