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MCP live MCP 2025-03-26 streamable-http

GrantSonar

io.github.romulusfoundry/grantsonar

Search verified-open US grants (federal, state, foundation). Read-only MCP for AI agents.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
2047ms
last probe
Tools
2
callable
Resources
3
readable
Prompts
2
available
Primary URL
https://grantsonar.com/api/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
2 tools, 3 resources, 2 prompts returned.
pass 3 or more catalogue items 10/10
7 items in total; 3 or more earns these points.
pass Describes itself 10/10
89 characters; more than 30 earns these points.

Tools · 2

search_grants

Search open grant opportunities in the GrantSonar corpus (federal, state, and foundation grants). Uses semantic similarity over a plain-English description of the project or need, with a keyword fallb…

get_grant

Fetch the full detail of a single grant opportunity by its GrantSonar grant_id (UUID), including synopsis, eligibility, deadlines, and award amounts.

Resources · 3

Open-grant counts by industry

Generated snapshot of open grant counts by industry, with its generation date.

grantsonar://coverage/industries
Grant topic taxonomy

GrantSonar's 152 grant topic clusters, each with an open-grant count.

grantsonar://taxonomy/topics
Dataset scope

Canonical, sourced scope of the GrantSonar funder + grant-records dataset.

grantsonar://dataset/stats

Prompts · 2

find_grants_for_org

Find relevant grant opportunities for an organization.

grants_closing_soon

Surface relevant grants with the nearest deadlines.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://grantsonar.com/api/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "grantsonar": {
      "url": "https://grantsonar.com/api/mcp",
      "transport": "streamable-http"
    }
  }
}