Official SynapseNetwork MCP server for agent payments, service discovery, and receipts.
Connect Synapse to Claude, Cursor or any other MCP client and it stops being a tab you switch to. Official SynapseNetwork MCP server for agent payments, service discovery, and receipts. The synapse mcp server is what makes that connection.
Synapse Network MCP Server for paid API calls is the official Model Context Protocol (MCP) server from SynapseNetworkAI. "Synapse Network MCP" with a space and "SynapseNetwork MCP" without a space refer to this same SynapseNetworkAI/Synapse-Network-MCP-Server project. It gives ChatGPT custom MCP apps, Claude connectors, Cursor, Claude Desktop, Devin, and MCP-compatible agent frameworks a stateless way to discover external APIs, invoke them, and retrieve receipts through SynapseNetwork agent payments.
The toolset is worth reading before you wire it up, because it tells you what the integration is really for:
discover_services — Outputs include agent-facing service metadata, schemas, health, and pricing fields such as priceUsdc for fixed-price APIs or token-metered pricinginvoke_and_pay — For fixed-price APIs, costUsdc must match the discovered price. If the price is stale or copied incorrectly, Gateway returns PRICE_MISMATCHget_receipt — Gateway enforces that the receipt belongs to the configured Agent KeyBecause this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
Configuration is passed through the environment: SYNAPSE_AGENT_KEY, SYNAPSE_ENV, SYNAPSE_GATEWAY_URL, SYNAPSE_TIMEOUT_MS, SYNAPSE_E2E_AGENT_KEY_SOURCE, SYNAPSE_E2E_SERVICE_ID, SYNAPSE_E2E_PAYLOAD_JSON, SYNAPSE_E2E_COST_USDC. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Among the AI and media services options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Synapse's toolset — discover_services, invoke_and_pay, get_receipt — is a fair guide to whether it matches your workflow. It is maintained by SynapseNetworkAI; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| discover_services | Outputs include agent-facing service metadata, schemas, health, and pricing fields such as priceUsdc for fixed-price APIs or token-metered pricing fields for LLM services. Provider payout, ledger, internal routing, and s |
| invoke_and_pay | For fixed-price APIs, costUsdc must match the discovered price. If the price is stale or copied incorrectly, Gateway returns PRICE_MISMATCH; rediscover and retry only if the user or task permits the current price. |
| get_receipt | Gateway enforces that the receipt belongs to the configured Agent Key. |
{
"mcpServers": {
"synapse-network": {
"command": "npx",
"args": ["-y", "@synapse-network-ai/mcp-server"],
"env": {
"SYNAPSE_AGENT_KEY": "your-value",
"SYNAPSE_ENV": "your-value",
"SYNAPSE_GATEWAY_URL": "your-value",
"SYNAPSE_TIMEOUT_MS": "your-value",
"SYNAPSE_E2E_AGENT_KEY_SOURCE": "your-value",
"SYNAPSE_E2E_SERVICE_ID": "your-value",
"SYNAPSE_E2E_PAYLOAD_JSON": "your-value",
"SYNAPSE_E2E_COST_USDC": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| SYNAPSE_AGENT_KEY | Credential the server authenticates with. | Yes |
| SYNAPSE_ENV | Configuration value read at startup. | Optional |
| SYNAPSE_GATEWAY_URL | Endpoint or connection string the server talks to. | Yes |
| SYNAPSE_TIMEOUT_MS | Configuration value read at startup. | Optional |
| SYNAPSE_E2E_AGENT_KEY_SOURCE | Credential the server authenticates with. | Yes |
| SYNAPSE_E2E_SERVICE_ID | Configuration value read at startup. | Optional |
| SYNAPSE_E2E_PAYLOAD_JSON | Configuration value read at startup. | Optional |
| SYNAPSE_E2E_COST_USDC | Configuration value read at startup. | Optional |
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