# How Wasm components enable pluggable tooling through interposition

DevFeed: [How Wasm components enable pluggable tooling through interposition](<https://devfeed.tech/articles/how-wasm-components-enable-pluggable-tooling-through-interposition-15137.md>)

Original publisher: [Read original article](<https://bytecodealliance.org/articles/how-wasm-components-enable-pluggable-middleware>)

Author: Elizabeth Gilbert

Published: 2026-05-14T00:00:00Z

Content type: article

Language: en

Sources: [Bytecode Alliance](<https://devfeed.tech/sources/bytecode-alliance.md>)

Topics: [wasm](<https://devfeed.tech/topics/wasm.md>), [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [modularity](<https://devfeed.tech/tags/modularity.md>), [services](<https://devfeed.tech/tags/services.md>), [tooling](<https://devfeed.tech/tags/tooling.md>), [wasm](<https://devfeed.tech/tags/wasm.md>), [wasm-components](<https://devfeed.tech/tags/wasm-components.md>)

## AI overview

The article explains how WebAssembly components can support pluggable HTTP middleware through component composition, service chaining, and interposition. It describes in-process communication between components whose imports and exports agree, including fan-in service topologies and chains of handlers for cross-cutting request and response processing.

## Source excerpt

And how the splicer framework makes it tractable at any interface edge.