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connectrpc

15 indexed repositories · View on GitHub

connect-go
The Go implementation of Connect: Protobuf RPC that works.

Go · 4081 stars
connect-es
The TypeScript implementation of Connect: Protobuf RPC that works.

TypeScript · 1811 stars
connect-rust
An implementation of the ConnectRPC protocol for Rust

Rust · 509 stars
vanguard-go
Support REST, gRPC, gRPC-Web, and Connect clients with one server.

Go · 418 stars
connect-query-es
TypeScript-first expansion pack for TanStack Query that gives you Protobuf superpowers.

TypeScript · 399 stars
connect-swift
The Swift implementation of Connect: Protobuf RPC that works.

Swift · 166 stars
otelconnect-go
OpenTelemetry tracing and metrics for Connect.

Go · 158 stars
connect-py
The Python implementation of Connect: Protobuf RPC that works.

Python · 148 stars
connect-kotlin
The Kotlin implementation of Connect: Protobuf RPC that works.

Kotlin · 148 stars
conformance
Conformance test suite for Connect, gRPC, and gRPC-Web implementations.

Go · 95 stars
connect-dart
The Dart implementation of Connect: Protobuf RPC that works.

Dart · 55 stars
connectrpc.com
Docs, governance, and RFCs for Connect: Protobuf RPC that works.

MDX · 40 stars
connect-playwright-es
Utilities for use with Playwright and Connect-ES.

TypeScript · 31 stars
.github
A README and discussions for Connect's GitHub organization.

1 star
.project
Project metadata for Connect - CNCF .project automation

0 stars

Beginner friendly Everything

Open All

Rpc method "register" causes name conflict Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

connectrpc/connect-rust#309 · Opened Sep 16, 2026
Any love for a working C# / .NET implementation? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

connectrpc/.github#27 · 1 reaction · Opened Sep 15, 2026
Make the Content-Length header optional in NIOHTTPClient Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

connectrpc/connect-swift#438 · 2 comments · Opened Sep 15, 2026
Bound the total memory held by received messages Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#303 · Opened Sep 12, 2026
SIGSEGV in _swift_implicitisolationactor_to_executor_cast from generated client after enabling NonisolatedNonsendingByDefault (incremental build only) Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

connectrpc/connect-swift#437 · 1 comment · Opened Sep 11, 2026
Client- and bidi-streaming requests pay an extra task hand-off per message on the server Open

Difficulty 4/5 3-5 days Newbie friendliness 72/100

connectrpc/connect-rust#298 · Opened Sep 8, 2026
Add check that release PR bumps both published packages Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

connectrpc/connect-py#330 · 1 reaction · Opened Sep 4, 2026
keepalive: ping on a destroyed session Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

connectrpc/connect-es#1795 · Opened Sep 4, 2026
Health and reflection error messages grow with the peer-supplied name Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

connectrpc/connect-rust#288 · Opened Aug 29, 2026
Compression: clients cannot state an accept-encoding preference order Open

Difficulty 4/5 3-5 days Newbie friendliness 56/100

connectrpc/connect-rust#287 · Opened Aug 28, 2026
gRPC streaming: error details and custom trailers are lost when a server-streaming handler errors before its first message Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

connectrpc/connect-rust#286 · Opened Aug 28, 2026
Http2Connection: first request after a graceful GOAWAY fails with `h2 send failed: operation was canceled` while a stream is open Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

connectrpc/connect-rust#285 · Opened Aug 28, 2026
codegen: check generated constant names across services, not only within one Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

connectrpc/connect-rust#279 · Opened Aug 25, 2026
response: gate the segmented encode on the largest field, not the message size Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

connectrpc/connect-rust#278 · Opened Aug 25, 2026
server: measure (and avoid) the segmented encode on compressed streams Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

connectrpc/connect-rust#277 · Opened Aug 25, 2026
client: attach a source to body-read transport errors (needs an Error bound on the body error type) Open

Difficulty 4/5 3-5 days Newbie friendliness 56/100

connectrpc/connect-rust#276 · Opened Aug 25, 2026
client: validate the content-type of Connect-protocol streaming responses Open

Difficulty 3/5 1-2 days Newbie friendliness 82/100

connectrpc/connect-rust#275 · Opened Aug 25, 2026
Normalize decompressed bytes to a base Uint8Array (Node buffer breaks RSC consumers) Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

connectrpc/connect-es#1771 · Opened Aug 5, 2026
Uncaught exception after GOAWAY on idle connection crashes the process Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

connectrpc/connect-es#1768 · 1 comment · Opened Aug 4, 2026
grpc-web transport: unary() discards a valid Grpc-Status header on trailers-only responses (fix from #1161/#1209 not ported from protocol-grpc) Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

connectrpc/connect-es#1764 · 4 comments · Opened Aug 1, 2026
Retire the callback API surface in favor of async/await Open

Cleanup Codebase

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-swift#420 · Opened Jul 28, 2026
connect-node: RST_STREAM(NO_ERROR) mid-response yields misleading `incomplete envelope` / `missing status` instead of a transport error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

connectrpc/connect-es#1751 · 1 comment · 1 reaction · Opened Jul 28, 2026
Server: response-metadata echo is only tested with x-custom-* names, so reserved names go unchecked Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/conformance#1121 · 1 comment · Opened Jul 24, 2026
Client: envelope flag bytes are only ever tested on the protocol that defines them Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

connectrpc/conformance#1120 · Opened Jul 24, 2026
Client: no coverage for a non-200 response carrying a gRPC status, where connect-go and grpc-go disagree Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

connectrpc/conformance#1119 · 1 comment · Opened Jul 24, 2026
server: trailing metadata is echoed unfiltered, and the reserved-name policy needs deciding Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

connectrpc/connect-rust#263 · 1 comment · Opened Jul 24, 2026
client: envelope flag bytes are never validated per protocol (0x02 forges a gRPC stream error) Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

connectrpc/connect-rust#255 · 1 comment · Opened Jul 24, 2026
ci: the generated-code drift check is not hermetic and fails on unrelated PRs Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

connectrpc/connect-rust#254 · Opened Jul 24, 2026
Test modules run several times the size CONTRIBUTING allows, with the harness copied per test Open

Difficulty 5/5 Over a week Newbie friendliness 48/100

connectrpc/connect-rust#253 · Opened Jul 24, 2026
codegen: the RPC kind is re-derived at six sites in four orderings, and only one is exhaustive Open

Difficulty 5/5 Over a week Newbie friendliness 44/100

connectrpc/connect-rust#252 · Opened Jul 24, 2026
codegen: per-request policy is threaded positionally, so one server knob rewrites five generated trees Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#251 · Opened Jul 24, 2026
Server and BoundServer duplicate their whole config surface because config cannot cross between them Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

connectrpc/connect-rust#250 · Opened Jul 24, 2026
client: four independent response parsers keep producing the same class of bug Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#249 · Opened Jul 24, 2026
Optional: make ConnectError's non-exhaustiveness explicit (original semver premise was wrong) Open

Difficulty 1/5 Under an hour Newbie friendliness 48/100

connectrpc/connect-rust#245 · Opened Jul 24, 2026
client: EncodingBody pairs its error mirror with construction only by convention Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

connectrpc/connect-rust#230 · Opened Jul 17, 2026
Onboarding: complete Connect .project setup Open

metadata onboarding

Difficulty 4/5 3-5 days Newbie friendliness 48/100

connectrpc/.project#1 · Opened Jul 15, 2026
Add gRPC and gRPC-Web coverage for missing terminal status Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

connectrpc/conformance#1115 · Opened Jul 13, 2026
connectrpc-build: expose buffa message-type feature-gating options (gate_impls_on_crate_features, feature names) Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

connectrpc/connect-rust#182 · Opened Jun 20, 2026
Consistently reject illegal values in configuration setters Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

connectrpc/connect-rust#173 · 1 comment · Opened Jun 20, 2026
Failure decoding float from JSON where value is 3.4028235e+38 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

connectrpc/connect-es#1716 · Opened Jun 9, 2026
Support service per crate Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

connectrpc/connect-rust#145 · 2 comments · Opened May 29, 2026
extern_path only matches package prefixes — per-type FQN mappings are silently ignored Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

connectrpc/connect-rust#99 · Opened May 12, 2026
Error conversion friction: from_error, source chain, bail!/ensure!, typed details Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#93 · Opened May 7, 2026
Observability: per-RPC tracing spans and OpenTelemetry integration Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

connectrpc/connect-rust#87 · Opened May 6, 2026
Streaming handlers: imperative writer API for bidi and server-streaming Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#86 · Opened May 6, 2026
Possibility to register procedure handlers separately Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

connectrpc/connect-go#924 · 4 comments · 1 reaction · Opened Apr 29, 2026
Unary Promise never settles — sentinel.error never called after premature stream termination Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

connectrpc/connect-es#1678 · 1 reaction · Opened Apr 23, 2026
Bazel: Skylark rules for buffa_rust_library and connectrpc_rust_library Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#39 · Opened Apr 2, 2026
Decide and document crate versioning policy + release runbook Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

connectrpc/connect-rust#10 · 5 comments · 1 reaction · Opened Mar 18, 2026
Different codec is used when marshaling error vs normal responses Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

connectrpc/vanguard-go#184 · 2 comments · 1 reaction · Opened Mar 2, 2026

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