Hi Okay so I spend the weekend on this and the feature is implemented and documented at https://camel.apache.org/manual/body-types.html
Of course there may be things on the way we discover to fix/improve etc. On Thu, Oct 22, 2026 at 9:59 AM Claus Ibsen <[email protected]> wrote: > Hi > > For Camel 4.24 we are working on the question that tooling, AI and people > ask all the time when writing the next step of a route: what is the body > here? > A String, a byte[], a stream, a Map, a GenericFile? (CAMEL-24844) > > It grew out of the local model benchmark, where some of it is already part > of the runs: > https://camel.apache.org/blog/2026/10/camel-local-model-benchmark-round-4/ > > At runtime this is already in place: an error about the body says what the > body is and which step made it so (CAMEL-25749), and the message history > records the body type at each step (CAMEL-25750), shown by > "camel cmd route-structure", the dev console and the MCP tools. > > Now we are adding the static side (CAMEL-24961, first asked for in > CAMEL-330 > back in 2008): a new @BodyTypes annotation declares the body each > component, > data format and language takes and gives. It goes into the catalog, so the > docs, "camel catalog doc", the MCP tools and the YAML validator know it > too. > > This comes as a series of PRs, group by group across the components. The > first > ones are open: #28241, #28242, #28246, #28247, #28250 and #28251. > > So expect many more PRs on the way to cover all of the components, and > what else. > > > > -- > Claus Ibsen > -- Claus Ibsen
