Notas
Lo que corrimos, y qué se rompió
Teardowns, benchmarks y configs que funcionan para armar outbound con MCP y agentes. Números medidos, no estimados.
LinkedIn y Sales Navigator
- BenchmarkThe LinkedIn Connection Request Limit: 382 Refusals We Named After the Wrong ThingEnglish382 of 4,355 invitation attempts came back as a temporary account limit. We named that error already_invited_recently. All 382 were different people.
- TutorialHow to Connect Claude to LinkedInEnglishOne command connects Claude to LinkedIn through Kairon. Here is the real sign-in handshake and a real search, captured end to end.
- TeardownEleven LinkedIn MCP Servers, Read at a Pinned CommitEnglishWe read the source of 11 LinkedIn MCP servers, ours included, each at one pinned commit, and report what each actually does.
- BenchmarkLinkedIn Premium vs. Sales Navigator: What Actually Restricts an AccountEnglishLinkedIn publishes no invite or search caps for either tier. Our own account got rate-limited under every daily cap we set — this is why.
Outbound con IA
- BenchmarkNuestros 923 envíos de LinkedIn nos convencieron de no publicar un benchmarkLeímos 923 envíos de LinkedIn en nuestros propios asientos, y después 18 cuentas. La tasa fue de 6,7% a 36,0% dentro de una sola cuenta.
- BenchmarkWhat an AI SDR Agent Actually Did Across 9,592 SequencesEnglishWe read 9,592 AI SDR agent sequence runs from our own database. 2.8% replied. Here is where the rest went, and a number we published that does not hold.
Ingeniería de GTM
MCP para outbound
- ReferenciaRemote MCP Server vs Local MCP Server: The Difference Is an Auth SurfaceEnglishRemote vs local MCP servers, probed: six unauthenticated requests found two well-known paths answering 200 with an HTML shell.
- ReferenciaThree Kinds of MCP Failure Collapse Into One isError FlagEnglishA tools/call probe of our own MCP server: unknown tool, bad args, and a thrown exception all resolve with isError:true — and how an agent tells them apart.
- ReferenciaOur MCP Server Returns 40 Tools and 0 Tool AnnotationsEnglishAn in-process tools/list probe of our own MCP server: 0 of 40 tools carry ToolAnnotations. What the documented defaults then make a client assume.
- ReferenciaThe Two-Minute Check That Found a Dead jwks_uri in Our MCP ServerEnglishA two-minute check for remote MCP OAuth discovery: confirm every advertised URL resolves. Ours did not — the jwks_uri defect and the fix.