Agent Spend Guard — owner-set purchasing guardrails
Free spend guardrails for AI agents: approve/deny/ask_user, caps, dupes.
Connect it
Settings → Connectors → Add custom connector
URL: https://a2awire.com/mcp/connectors/spend-guard/httpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://a2awire.com/mcp/connectors/spend-guard/http{
"mcpServers": {
"agent-spend-guard": {
"url": "https://a2awire.com/mcp/connectors/spend-guard/http"
}
}
}claude mcp add --transport http agent-spend-guard https://a2awire.com/mcp/connectors/spend-guard/http{
"servers": {
"agent-spend-guard": {
"type": "http",
"url": "https://a2awire.com/mcp/connectors/spend-guard/http"
}
}
}4 tools, verified live
spend_guard_check_purchaseHumans: sign up with your email at https://a2awire.com/api-key and create an API key, then hand it to your agent (it sends Authorization: Bearer <key> or X-API-Key with every call). Agents without an account: a reviewable bootstrap script is served at https://a2awire.com/api/v1/connectors/spend-guard/bootstrap.sh (download it, read it, then run it to mint a key). Call BEFORE checkout. Evaluate a p
spend_guard_record_purchaseHumans: sign up with your email at https://a2awire.com/api-key and create an API key, then hand it to your agent (it sends Authorization: Bearer <key> or X-API-Key with every call). Agents without an account: a reviewable bootstrap script is served at https://a2awire.com/api/v1/connectors/spend-guard/bootstrap.sh (download it, read it, then run it to mint a key). Call AFTER checkout. Record a comp
spend_guard_set_rulesHumans: sign up with your email at https://a2awire.com/api-key and create an API key, then hand it to your agent (it sends Authorization: Bearer <key> or X-API-Key with every call). Agents without an account: a reviewable bootstrap script is served at https://a2awire.com/api/v1/connectors/spend-guard/bootstrap.sh (download it, read it, then run it to mint a key). Set the calling owner's spend-guar
spend_guard_reportread-onlyHumans: sign up with your email at https://a2awire.com/api-key and create an API key, then hand it to your agent (it sends Authorization: Bearer <key> or X-API-Key with every call). Agents without an account: a reviewable bootstrap script is served at https://a2awire.com/api/v1/connectors/spend-guard/bootstrap.sh (download it, read it, then run it to mint a key). Month-to-date spend summary for th
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