JSON-RPC

What JSON-RPC does not show

Where JSON-RPC comes up on this site

• How to check an MCP server is safe before an agent connectsSend the handshake A remote MCP server over HTTP answers a JSON-RPC initialize request.

Related terms in Agents and protocols

How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.

OpenSearch description · traceparent · JSON Schema · protected-resource metadata · token audience · PKCE · refresh token · default scope request · tool poisoning · tool lockfile · MCP rug pull · tool shadowing · MCP preflight · agent manifest · stapled verdict · verdict over DNS · agentic web · preflight · decision receipt · receipt header · action assurance · resolve answer · freshness window · AI agent · Agent loop · Planner · Executor · Agent memory · Working memory · Long-term memory · Episodic memory · Semantic memory · Agent orchestration · Multi-agent system · Agent handoff · Delegation · Tool result · Tool schema · Tool description · Tool selection · Tool permission · Human-in-the-loop · Human-on-the-loop · Approval gate · Agent sandbox · Agent identity · Agent authorization · Agent discovery · Capability negotiation · MCP server · MCP client · MCP host · MCP resource · MCP prompt · MCP tool · MCP transport · A2A protocol · A2A client · A2A server · Agent skill · Agent task · Agent artifact · WebMCP · A2A

Questions about JSON-RPC

What is JSON-RPC?

A JSON-based remote procedure call format used by protocols including MCP.

What does JSON-RPC not show or guarantee?

Well-formed messages do not authenticate sender, authorize methods, or encrypt transport.

Which area of the glossary does JSON-RPC belong to?

Agents and protocols: How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.

← MCP transport  ·  A2A protocol →

See it in the full glossary · 772 terms across 19 areas.