claude: add erigon-network-ports skill#18992
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…ment Documents all 12 always-on and 2 conditional network ports that must differ when running multiple Erigon instances on the same machine. Includes CLI flag reference, defaults, protocols, and a ready-to-use two-instance example with +100 port offsets. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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This skill teaches Claude to run erigon and solve port conflicts automatically. Useful when I already have other erigon instances running on my machine and want to spinoff an ephemeral instance to validate some plan. |
AskAlexSharov
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Feb 6, 2026
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I think the next step should be to have AI update our docs by scrapping our code instead of telling it to look at the (maybe outdated) docs. |
mattevans
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* upstream/main: (91 commits) perf(cl/block_collector): optimize encodeBlock buffer allocation (erigontech#18980) db/kv: fix code cache hash key computation (erigontech#18965) Fix hive tests 0302 (erigontech#18986) perf(execution/types): optimize EIP-7685 request encoding (erigontech#18985) refactor: replace interface{} with any for clarity and modernization (erigontech#18978) refactor: replace interface{} with any for clarity and modernization (erigontech#18977) Rework Dockerhub API call authorization mechanism. (erigontech#18989) claude: add erigon-network-ports skill (erigontech#18992) PersistentBlockCollector: assert on inserting gap (erigontech#18979) qa-tests: add Geth test to the RPC Historic Performance Tests (erigontech#18895) a bit less debug logs (erigontech#18974) ProcessFrozenBlocks: to support `isDomainAheadOfBlocks` (which we have in `fcu`) (erigontech#18981) qa-tests: fix summary in RPC Performance Tests Latest (erigontech#18984) handle edge case for genesis block in SeekCommitment (erigontech#18960) db/preverified: remove redundant assertSorted in Get (erigontech#18967) txnprovider/shutter: fix identity preimage DecodeSSZ error length (erigontech#18938) perf(cl/sentinel): use stack allocation for light_client response prefix (erigontech#18961) Add debug.SetupSimple, and improve torrent client status info log (erigontech#18953) Refactor worker count calculation to remove redundant bounds check (erigontech#18415) fix: remove duplicate TxPoolBlobPriceBumpFlag check in setTxPool (erigontech#18472) ...
Giulio2002
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## Summary - Adds a new Claude Code skill documenting all Erigon network ports that must differ when running multiple instances on the same machine - Covers 12 always-on ports and 2 conditional ports (pprof, metrics) with CLI flags, defaults, and protocols - Includes a ready-to-use two-instance example with +100 port offsets ## Test plan - [x] Verified by running two Erigon instances simultaneously with offset ports — both synced for 2+ minutes with zero errors - [x] Confirmed the second instance fails with `bind: address already in use` when using the same ports as the first 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Test plan
bind: address already in usewhen using the same ports as the first🤖 Generated with Claude Code