Koskamo

Zovo Charity Lookup MCP

Look up a US nonprofit's IRS filings, multi-year financials and computed ratios. Search US nonprofits by name and get the IRS exemption facts, a multi-year table of revenue, expenses, net assets and officer pay from Form 990 filings, computed ratios with their formulas, links to the filing PDFs, and a PDF, CSV and Excel due-diligence report.

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Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Zovo Charity Lookup MCP logo, by ZovoCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-08Published by Zovo
MCP endpoint (Streamable HTTP)
https://charity-check.zovo.one/mcp
Vendor documentation

What its tools do

3 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (3)

3 of 3 have a description · 3 of 3 declare behavior hints · 3 of 3 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search US nonprofits by name, state and category
  • Get multi-year Form 990 financials with year-over-year change
  • Compare 2 to 5 nonprofits side-by-side
  • Download PDF one-pager, CSV and Excel reports

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.theluckystrike/charity-check@1.0.0Project website

Protocol and capabilities

Server
charity-check 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
3 advertised
Resources
1 advertised
Resource templates
1 advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  },
  "resources": {
    "listChanged": true
  }
}

Tools

3 advertised

search_nonprofits — Search nonprofits
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants to find a US nonprofit or charity and its EIN by name, optionally in one US state or one category. Returns up to 25 matches with EIN, city, state, NTEE code and IRS subsection, from ProPublica Nonprofit Explorer. Does not return financials; use get_nonprofit_profile with an EIN for those. Do not use for organizations outside the US.

search_nonprofits input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "maxLength": 2000,
      "description": "Part of the organization's name, up to 100 characters, e.g. \"food bank\" or \"Red Cross\"."
    },
    "state": {
      "type": "string",
      "maxLength": 20,
      "description": "Optional 2-letter US postal code of the state where the organization is registered, e.g. CA."
    },
    "category": {
      "enum": [
        "arts-culture-humanities",
        "education",
        "environment-animals",
        "health",
        "human-services",
        "international",
        "public-societal-benefit",
        "religion",
        "mutual-membership-benefit",
        "unknown"
      ],
      "type": "string",
      "description": "Optional NTEE major group, e.g. human-services."
    }
  }
}
search_nonprofits output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "query",
    "state",
    "category",
    "total_results",
    "organizations",
    "note",
    "source"
  ],
  "properties": {
    "note": {
      "type": "string"
    },
    "query": {
      "type": "string"
    },
    "state": {
      "type": "string"
    },
    "source": {
      "type": "object",
      "required": [
        "name",
        "url",
        "retrieved_utc",
        "cached",
        "citation"
      ],
      "properties": {
        "url": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "cached": {
          "type": "boolean"
        },
        "citation": {
          "type": "string"
        },
        "retrieved_utc": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "category": {
      "type": "string"
    },
    "organizations": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "ein",
          "name",
          "city",
          "state",
          "ntee_code",
          "subsection"
        ],
        "properties": {
          "ein": {
            "type": "string"
          },
          "city": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "state": {
            "type": "string"
          },
          "ntee_code": {
            "type": "string"
          },
          "subsection": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "total_results": {
      "type": "number"
    },
    "total_results_capped": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}
search_nonprofits annotations
{
  "title": "Search nonprofits",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}
get_nonprofit_profile — Get nonprofit profile
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants to check a US nonprofit by EIN: IRS subsection, foundation status, deductibility, ruling date, and a multi-year table of revenue, expenses, net assets, total assets and officer compensation from Form 990 filings, with year-over-year change, ratios and their formulas, filing PDF links, and a PDF, CSV and Excel report. Data is live from ProPublica Nonprofit Explorer. Does not rate or rank organizations and does not give tax or legal advice.

get_nonprofit_profile input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "ein"
  ],
  "properties": {
    "ein": {
      "type": "string",
      "maxLength": 60,
      "description": "The 9-digit Employer Identification Number, with or without the hyphen, e.g. 53-0196605."
    }
  }
}
get_nonprofit_profile output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "organization",
    "years",
    "years_count",
    "filings",
    "filings_count",
    "formulas",
    "notes",
    "source",
    "downloads"
  ],
  "properties": {
    "notes": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "years": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "tax_period",
          "tax_year",
          "form",
          "revenue",
          "expenses",
          "total_assets",
          "total_liabilities",
          "net_assets",
          "contributions",
          "program_service_revenue",
          "officer_compensation",
          "professional_fundraising_fees",
          "surplus_margin_pct",
          "contributions_pct",
          "program_revenue_pct",
          "officer_comp_pct_of_expenses",
          "liabilities_pct_of_assets",
          "months_of_expenses_in_net_assets",
          "revenue_change_pct",
          "expenses_change_pct"
        ],
        "properties": {
          "form": {
            "type": "string"
          },
          "pdf_url": {
            "type": "string"
          },
          "revenue": {
            "type": [
              "number",
              "null"
            ]
          },
          "expenses": {
            "type": [
              "number",
              "null"
            ]
          },
          "tax_year": {
            "type": "number"
          },
          "net_assets": {
            "type": [
              "number",
              "null"
            ]
          },
          "tax_period": {
            "type": "string"
          },
          "total_assets": {
            "type": [
              "number",
              "null"
            ]
          },
          "contributions": {
            "type": [
              "number",
              "null"
            ]
          },
          "contributions_pct": {
            "type": [
              "number",
              "null"
            ]
          },
          "total_liabilities": {
            "type": [
              "number",
              "null"
            ]
          },
          "revenue_change_pct": {
            "type": [
              "number",
              "null"
            ]
          },
          "surplus_margin_pct": {
            "type": [
              "number",
              "null"
            ]
          },
          "expenses_change_pct": {
            "type": [
              "number",
              "null"
            ]
          },
          "program_revenue_pct": {
            "type": [
              "number",
              "null"
            ]
          },
          "officer_compensation": {
            "type": [
              "number",
              "null"
            ]
          },
          "program_service_revenue": {
            "type": [
              "number",
              "null"
            ]
          },
          "liabilities_pct_of_assets": {
            "type": [
              "number",
              "null"
            ]
          },
          "officer_comp_pct_of_expenses": {
            "type": [
              "number",
              "null"
            ]
          },
          "professional_fundraising_fees": {
            "type": [
              "number",
              "null"
            ]
          },
          "months_of_expenses_in_net_assets": {
            "type": [
              "number",
              "null"
            ]
          }
        },
        "additionalProperties": false
      }
    },
    "source": {
      "type": "object",
      "required": [
        "name",
        "url",
        "retrieved_utc",
        "cached",
        "citation"
      ],
      "properties": {
        "url": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "cached": {
          "type": "boolean"
        },
        "citation": {
          "type": "string"
        },
        "retrieved_utc": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "filings": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "tax_period",
          "form",
          "pdf_url",
          "financial_data"
        ],
        "properties": {
          "form": {
            "type": "string"
          },
          "pdf_url": {
            "type": "string"
          },
          "tax_period": {
            "type": "string"
          },
          "financial_data": {
            "type": "boolean"
          }
        },
        "additionalProperties": false
      }
    },
    "formulas": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {
        "type": "string"
      }
    },
    "downloads": {
      "type": "object",
      "required": [
        "pdf",
        "csv",
        "xlsx"
      ],
      "properties": {
        "csv": {
          "type": "string"
        },
        "pdf": {
          "type": "string"
        },
        "xlsx": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "years_count": {
      "type": "number"
    },
    "years_shown": {
      "type": "object",
      "required": [
        "shown",
        "total"
      ],
      "properties": {
        "shown": {
          "type": "number"
        },
        "total": {
          "type": "number"
        }
      },
      "additionalProperties": false
    },
    "organization": {
      "type": "object",
      "required": [
        "ein",
        "name",
        "city",
        "state",
        "zipcode",
        "ntee_code",
        "ntee_group",
        "subsection",
        "ruling_date",
        "deductibility",
        "foundation_status",
        "exemption_status",
        "bmf_snapshot",
        "bmf_tax_period",
        "bmf_assets",
        "bmf_income",
        "bmf_revenue",
        "profile_url"
      ],
      "properties": {
        "ein": {
          "type": "string"
        },
        "city": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "state": {
          "type": "string"
        },
        "zipcode": {
          "type": "string"
        },
        "ntee_code": {
          "type": "string"
        },
        "bmf_assets": {
          "type": [
            "number",
            "null"
          ]
        },
        "bmf_income": {
          "type": [
            "number",
            "null"
          ]
        },
        "ntee_group": {
          "type": "string"
        },
        "subsection": {
          "type": "string"
        },
        "bmf_revenue": {
          "type": [
            "number",
            "null"
          ]
        },
        "profile_url": {
          "type": "string"
        },
        "ruling_date": {
          "type": "string"
        },
        "bmf_snapshot": {
          "type": "string"
        },
        "deductibility": {
          "type": "string"
        },
        "bmf_tax_period": {
          "type": "string"
        },
        "exemption_status": {
          "type": "string"
        },
        "foundation_status": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "filings_count": {
      "type": "number"
    },
    "filings_shown": {
      "type": "object",
      "required": [
        "shown",
        "total"
      ],
      "properties": {
        "shown": {
          "type": "number"
        },
        "total": {
          "type": "number"
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}
get_nonprofit_profile annotations
{
  "title": "Get nonprofit profile",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}
compare_nonprofits — Compare nonprofits
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants 2 to 5 US nonprofits side by side by EIN: latest Form 990 revenue, expenses, net assets, total assets, officer compensation and computed ratios with formulas, plus a PDF, CSV and Excel comparison. Data is live from ProPublica Nonprofit Explorer. Does not rate or rank organizations. Do not use with names; find EINs with search_nonprofits first.

compare_nonprofits input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "eins"
  ],
  "properties": {
    "eins": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 60,
        "description": "One EIN, e.g. 53-0196605."
      },
      "maxItems": 50,
      "description": "2 to 5 EINs, e.g. [\"53-0196605\", \"13-1623829\"]."
    }
  }
}
compare_nonprofits output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "organizations",
    "tax_years_differ",
    "formulas",
    "notes",
    "source",
    "downloads"
  ],
  "properties": {
    "notes": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "source": {
      "type": "object",
      "required": [
        "name",
        "url",
        "retrieved_utc",
        "cached",
        "citation"
      ],
      "properties": {
        "url": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "cached": {
          "type": "boolean"
        },
        "citation": {
          "type": "string"
        },
        "retrieved_utc": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "formulas": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {
        "type": "string"
      }
    },
    "downloads": {
      "type": "object",
      "required": [
        "pdf",
        "csv",
        "xlsx"
      ],
      "properties": {
        "csv": {
          "type": "string"
        },
        "pdf": {
          "type": "string"
        },
        "xlsx": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "organizations": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "ein",
          "name",
          "city",
          "state",
          "subsection",
          "profile_url",
          "latest",
          "note"
        ],
        "properties": {
          "ein": {
            "type": "string"
          },
          "city": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "note": {
            "type": "string"
          },
          "state": {
            "type": "string"
          },
          "latest": {
            "anyOf": [
              {
                "type": "object",
                "required": [
                  "tax_period",
                  "tax_year",
                  "form",
                  "revenue",
                  "expenses",
                  "total_assets",
                  "total_liabilities",
                  "net_assets",
                  "contributions",
                  "program_service_revenue",
                  "officer_compensation",
                  "professional_fundraising_fees",
                  "surplus_margin_pct",
                  "contributions_pct",
                  "program_revenue_pct",
                  "officer_comp_pct_of_expenses",
                  "liabilities_pct_of_assets",
                  "months_of_expenses_in_net_assets",
                  "revenue_change_pct",
                  "expenses_change_pct"
                ],
                "properties": {
                  "form": {
                    "type": "string"
                  },
                  "pdf_url": {
                    "type": "string"
                  },
                  "revenue": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "expenses": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "tax_year": {
                    "type": "number"
                  },
                  "net_assets": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "tax_period": {
                    "type": "string"
                  },
                  "total_assets": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "contributions": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "contributions_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "total_liabilities": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "revenue_change_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "surplus_margin_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "expenses_change_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "program_revenue_pct": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "officer_compensation": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "program_service_revenue": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "liabilities_pct_of_assets": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "officer_comp_pct_of_expenses": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "professional_fundraising_fees": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "months_of_expenses_in_net_assets": {
                    "type": [
                      "number",
                      "null"
                    ]
                  }
                },
                "additionalProperties": false
              },
              {
                "type": "null"
              }
            ]
          },
          "subsection": {
            "type": "string"
          },
          "profile_url": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "tax_years_differ": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}
compare_nonprofits annotations
{
  "title": "Compare nonprofits",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

1 advertised

charity-check-widget — Zovo Charity Lookup view

Advertised by the server during the last successful anonymous check.

Interactive view for Zovo Charity Lookup.

charity-check-widget URI
ui://widget/charity-check-1-1.0.0-11e089f92a32b8627800b0e2072a02c8ed259c8bd7fd08df7e44d6040290c9d5.html

MIME type: text/html;profile=mcp-app

charity-check-widget-legacy — Zovo Charity Lookup view (previous versions)

Advertised by the server during the last successful anonymous check.

charity-check-widget-legacy URI template
ui://widget/charity-check-{version}.html

MIME type: text/html;profile=mcp-app

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
885 ms
95th percentile latency
885 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 885 ms · metadata changed · 3 tool(s), 1 resource(s), 1 resource template(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http zovo-charity-lookup-mcp https://charity-check.zovo.one/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add zovo-charity-lookup-mcp --url https://charity-check.zovo.one/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable zovo-charity-lookup-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "zovo-charity-lookup-mcp": {
      "url": "https://charity-check.zovo.one/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "zovo-charity-lookup-mcp": {
      "type": "streamableHttp",
      "url": "https://charity-check.zovo.one/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start zovo-charity-lookup-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "zovo-charity-lookup-mcp": {
      "type": "http",
      "url": "https://charity-check.zovo.one/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http zovo-charity-lookup-mcp https://charity-check.zovo.one/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://charity-check.zovo.one/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "zovo-charity-lookup-mcp": {
      "serverUrl": "https://charity-check.zovo.one/mcp"
    }
  }
}

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