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hyperhive/hive-sock-client
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Filename Latest commit message Latest commit date
atlas 7d217f8267 remove the create_repo agent tool
mara ruled on #4849 (c88934): "remove create_repo tool". The tool ran in
hive-c0re with the hive's core token, so it only ever worked for agents
on the hive that runs the forge.

Removed:

- the create_repo MCP tool and CreateRepoArgs (hive-agent-mcp)
- wire variants Request::CreateRepo and Response::RepoCreated
  (hive-core-agent-sock)
- hive-c0re's handle_create_repo, its valid_repo_name check and the
  dispatch arm
- forge::create_agent_repo and apply_operator_branch_protection, which
  had no other caller, plus AGENTS_ORG and OPERATORS_TEAM, whose only
  users they were
- the tool's docs (docs/tools/forge.md repo management, docs/turn-loop/
  mcp.md, the conventions tool-group table) and the doc comments that
  named it (hive-sock-client's response timeout, ensure_repo_creation_
  disabled, the security doc's merge-gate bullet)

ToolGroup::Forge is kept with no tools, the same way b88a5b24 kept
Lifecycle, so existing meta/capabilities.json grants still parse.

Forge state is untouched: existing agents/* repos keep their collaborators
and operators-team branch protection. The swarm-controller's own
create_repo (config-org repos) is a different path and is unchanged.

Closes #4849
2026-10-01 09:04:17 +02:00
..
src remove the create_repo agent tool 2026-10-01 09:04:17 +02:00
Cargo.toml refactor(sock): one socket client, retry as a policy value 2026-07-26 22:44:48 +02:00
README.md treefmt: apply prettier 2026-09-02 15:25:07 +02:00

hive-sock-client

One JSON-line-over-unix-socket client, shared by every daemon that speaks to a hyperhive socket.

The wire protocol is the same everywhere: connect, write one line of JSON, read one line of JSON back. Before this crate existed, five daemons each carried their own copy of that — two of them byte-identical — and the retry, response-handling and error-context behaviour drifted between them.

The crate is generic over the request and response types, so it is protocol-agnostic: the host-served control socket and the harness's in-agent socket both use it, with their own wire-type crates.

Shapes

  • request / request_retried — write, then decode the response line. request_retried additionally reports how many retries it took, for callers (MCP tool handlers) that want to tell the model a socket flake happened so it doesn't retry at the LLM level.
  • notify — write, half-close, drain the response line and discard it. For fire-and-forget ops where the reply carries nothing the caller acts on. The drain is not optional: without it the server's write-back lands on a closed socket.

Retry is a policy value, not a fork

Retry::RideOutRestart backs off 2/4/8/16/30s (60s total), sized to ride out a service restart. It is for callers with no natural retry of their own — a stall there costs a surfaced tool error and the tokens to handle it.

Retry::None fails fast. It is for callers already inside a poll loop, where the poll interval is the retry and a second backoff would only stack sleeps and delay the rest of the batch.

Two named policies, not a configurable schedule: nobody needs a third yet, and naming them keeps the reason for the choice at the call site.

Error contract

Errors always name the socket path. That detail is load-bearing: a permission problem on a socket that reads as "is the daemon running?" sends the operator to fix the wrong thing.

A refused or missing socket additionally gets a "may be restarting" hint, and an exhausted retry schedule records how long it tried, so a surfaced error reads as the likely transient it usually is.

Serialisation and deserialisation failures are never retried — retrying identical bytes reproduces the same failure. They are raised outside the retry loop, so only connect/IO/short-read failures ever reach it.