Add gateway_search/gateway_execute: aggregate downstream MCP servers behind 2 tools

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["crates/ponytail", "crates/agent-registry", "crates/skill-registry"]
+members = ["crates/ponytail", "crates/agent-registry", "crates/skill-registry", "crates/gateway-registry"]
 resolver = "2"
 
 [package]
@@ -42,7 +42,7 @@ serde_json = "1"
 dirs = "6"
 chrono = "0.4"
 rmcp = { version = "1.8.0", features = ["server", "transport-io"] }
-tokio = { version = "1", features = ["rt", "macros", "io-util", "io-std"] }
+tokio = { version = "1", features = ["rt", "macros", "io-util", "io-std", "sync"] }
 ureq = { version = "2", features = ["json"] }
 sha2 = "0.10"
 flate2 = "1"
@@ -59,6 +59,7 @@ color-eyre = "0.6"
 ponytail = { path = "crates/ponytail", version = "0.1.0" }
 agent-registry = { package = "agentflare-agent-registry", path = "crates/agent-registry", version = "0.1.0" }
 skill-registry = { package = "agentflare-skill-registry", path = "crates/skill-registry", version = "0.1.1" }
+gateway-registry = { package = "agentflare-gateway-registry", path = "crates/gateway-registry", version = "0.1.0" }
 regex = "1"
 sysinfo = { version = "0.34", optional = true, default-features = false, features = ["system"] }
 

crates/gateway-registry/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "agentflare-gateway-registry"
+version = "0.1.0"
+edition = "2024"
+rust-version = "1.91"
+license = "MIT"
+
+[dependencies]
+rusqlite = { version = "0.40", features = ["bundled"] }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+thiserror = "2"
+toml = "0.8"
+tokio = { version = "1", features = ["rt", "rt-multi-thread", "process", "sync", "macros", "io-util", "time"] }
+rmcp = { version = "1.8.0", features = ["client", "transport-child-process", "server", "transport-io", "macros"] }
+schemars = "1.0"
+
+[dev-dependencies]
+tempfile = "3"
+
+[lints.rust]
+unsafe_code = "warn"
+
+[[bin]]
+name = "gateway-fixture-server"
+path = "tests/fixtures/fixture_server.rs"