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ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)
MCP endpoint :https://gateway.pipeworx.io/propublica-nonprofit/mcp · website · measurements and detailsNonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica
MCP endpoint :https://mcp.olyport.com/irs-990/mcp · website · measurements and detailsMCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.
MCP endpoint :https://nonprofit-explorer.caseyjhand.com/mcp · website · measurements and detailsNonprofit compliance rules for all 50 US states, each with its official citation and status
MCP endpoint :https://mcp.501c3.help/ · website · measurements and details12 synthetic grant report exception cases: duplicate disbursements, debarment hold list entries, mis
MCP endpoint :https://a2awire.com/mcp/benchmarks/grant-report-review-2026-09-17-9189341d/http · website · measurements and detailsReal nonprofit tasks your agent can claim and finish. A person at the nonprofit reviews the work.
MCP endpoint :https://aimpact.himanshufr.me/api/mcp · website · measurements and detailsAssess your nonprofit's grant readiness with The Grant Readiness Checklist by the Nonprofit Lau
MCP endpoint :https://grantreadinesschecklist.com/api/mcp · website · measurements and detailsGrant readiness and application checklist generator for schools/PTAs/nonprofits.
MCP endpoint :https://checkmycontractorquote.com/contractorquote-mcp/mcp/grantops_ai · website · measurements and detailsCitable US facts w/ curated query templates: SEC financials, bank call reports, nonprofits. No key.
MCP endpoint :https://factanker.com/mcp · website · measurements and detailsSearch, verify and compare 7.9M+ nonprofits from official charity registries in 100+ countries.
MCP endpoint :https://giveradar.com/mcp/ · website · measurements and detailsFoundation discovery and grant intelligence for nonprofits. 174K+ US funders, IRS 990 data.
MCP endpoint :https://mcp.kindora.co/mcp · website · measurements and detailsNonprofit executive and workforce pay benchmarks built from IRS Form 990 filings and BLS data.
MCP endpoint :https://mcp.causecomp.org/mcp · website · measurements and detailsNonprofit fund accounting your AI agent helps you run — read the books and post entries.
MCP endpoint :https://mcp.npledger.com/v1/ · website · measurements and detailsUSAspending federal agencies and awards, plus nonprofit filings.
Package npm :@mrfentmen/usaspending-mcp · website · measurements and detailsSearch and cite US law from official sources, then form an LLC or nonprofit with free agent tools.
MCP endpoint :https://corpuslaw.us/api/mcp · website · measurements and detailsSearch 41K+ nonprofits, get impact data, submit enrichments, donate USDC via x402.
Package npm :giveready-mcp · website · measurements and detailsChecks whether a nonprofit private entity is in the CEPIM (barred from public funds) from the CNPJ.
MCP endpoint :https://api.mcp.ai/p_cepim · website · measurements and detailsGoodStanding: Check a US nonprofit EIN against IRS revocation and CA registry lists.
Package npm :goodstanding-mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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