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GSA-TTS

USA Spending MCP Server

Official
by GSA-TTS
OverviewSchemaRelated ServersScoreDiscussions
Python
Hybrid

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
PORTNoServer port.8080
BASE_URLNoPublic URL of the server (required if auth enabled).
REQUIRE_AUTHNoSet to 'false' to disable authentication.true
JWT_SIGNING_KEYNoSecret key for signing JWTs (required if auth enabled).
LOGINGOV_CLIENT_IDNoYour login.gov application client ID (required if auth enabled).
LOGINGOV_CONFIG_URLNoOIDC discovery URL (defaults to login.gov sandbox).https://idp.int.identitysandbox.gov/.well-known/openid-configuration

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": true
}
logging
{}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
extensions
{
  "io.modelcontextprotocol/ui": {}
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
searchA

Search for available tools by query.

Returns matching tools ranked by relevance.

get_schemaA

Get parameter schemas for specific tools.

Use after searching to get the detail needed to call a tool.

executeB

Chain await call_tool(...) calls in one Python block; prefer returning the final answer from a single block. Use return to produce output. Only call_tool(tool_name: str, params: dict) -> Any is available in scope.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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