Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

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  • Allocate the discover API budget across repos with UCB1 or Thompson sampling
    Open

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

    RogueAlg0/taken#130 ·

    Maintainers usually reply within 1 day

  • Model claim strength with exponential decay (mixture/Weibull), not hard thresholds
    Open

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

    RogueAlg0/taken#128 ·

    Maintainers usually reply within 1 day

  • Score maintainer responsiveness with PageRank on the comment-reply graph
    Open

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

    RogueAlg0/taken#129 ·

    Maintainers usually reply within 1 day

  • Deduplicate already-checked issues across runs with a Bloom filter
    Open

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

    RogueAlg0/taken#127 ·

    Maintainers usually reply within 1 day

  • Order API calls cheapest-decisive-first and stop early
    Open

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

    RogueAlg0/taken#125 ·

    Maintainers usually reply within 1 day

  • Cache keys are not namespaced by GitHub identity
    Open

    Difficulty 3/5 1-2 days Newbie friendliness 74/100

    RogueAlg0/taken#120 ·

    Maintainers usually reply within 1 day

  • check_timeline does not validate the linked-PR response shape
    Open

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

    RogueAlg0/taken#119 ·

    Maintainers usually reply within 1 day

  • Display absolute timestamps in the user's local timezone, with a --utc override
    Open

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

    RogueAlg0/taken#115 ·

    Maintainers usually reply within 1 day

  • Claude Code skill for verified contribution planning
    Open

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

    RogueAlg0/taken#114 ·

    Maintainers usually reply within 1 day

  • Add stale-claim decay for claimant comments and inactive PRs
    Open

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

    RogueAlg0/taken#83 ·

    Maintainers usually reply within 1 day

  • Make the `gh` CLI optional
    Open

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

    RogueAlg0/taken#80 ·

    Maintainers usually reply within 1 day

  • Offline mode from a local clone
    Open
    enhancement

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

    RogueAlg0/taken#71 ·

    Maintainers usually reply within 1 day

  • Git-native invocation (alias and pre-push hook)
    Open
    enhancement

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

    RogueAlg0/taken#72 ·

    Maintainers usually reply within 1 day

  • Maintainer responsiveness from git history
    Open
    enhancement

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

    RogueAlg0/taken#70 ·

    Maintainers usually reply within 1 day

  • Hotspot cross-reference on verdicts
    Open
    enhancement

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

    RogueAlg0/taken#69 ·

    Maintainers usually reply within 1 day

  • Issue-to-code mapping
    Open
    enhancement

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

    RogueAlg0/taken#68 ·

    Maintainers usually reply within 1 day

  • Local branch check ("you already have a branch for this")
    Open
    enhancement

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

    RogueAlg0/taken#66 ·

    Maintainers usually reply within 1 day

  • Merge-conflict forecast for new PRs
    Open
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 65/100

    RogueAlg0/taken#67 ·

    Maintainers usually reply within 1 day

  • Fork network scan for silent work
    Open
    enhancement

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

    RogueAlg0/taken#65 ·

    Maintainers usually reply within 1 day

  • Stale branch detection for linked PRs
    Open
    enhancement

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

    RogueAlg0/taken#64 ·

    Maintainers usually reply within 1 day

  • Verdict confidence scores from git evidence
    Open
    enhancement

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

    RogueAlg0/taken#62 ·

    Maintainers usually reply within 1 day

  • Blame-aware claimant verification
    Open
    enhancement

    Difficulty 4/5 3-5 days Newbie friendliness 65/100

    RogueAlg0/taken#63 ·

    Maintainers usually reply within 1 day

  • Add `--verbose` flag showing API usage
    Open
    good first issue

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

    RogueAlg0/taken#53 ·

    Maintainers usually reply within 1 day

  • Parallelize CLI batch mode
    Open

    Difficulty 3/5 1-2 days Newbie friendliness 78/100

    RogueAlg0/taken#51 · 1 comment ·

    Maintainers usually reply within 1 day

  • MCP: progress notifications for long-running tools
    Open

    Difficulty 4/5 3-5 days Newbie friendliness 64/100

    RogueAlg0/taken#50 · 1 comment ·

    Maintainers usually reply within 1 day

  • MCP: return machine-readable `error_code` on failures
    Open
    good first issue

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

    RogueAlg0/taken#49 ·

    Maintainers usually reply within 1 day

  • MCP: add summary-only option to skip full `findings`
    Open
    good first issue

    Difficulty 2/5 1-3 hours Newbie friendliness 88/100

    RogueAlg0/taken#48 · 1 comment ·

    Maintainers usually reply within 1 day

  • Parallelize MCP `scan_repo`
    Open

    Difficulty 3/5 1-2 days Newbie friendliness 78/100

    RogueAlg0/taken#47 · 1 comment ·

    Maintainers usually reply within 1 day

  • `scan_repo` recomputes friendly markers it already has
    Open
    good first issue

    Difficulty 2/5 1-3 hours Newbie friendliness 88/100

    RogueAlg0/taken#46 ·

    Maintainers usually reply within 1 day

  • Collapse `discover()`'s growing parameter list into an options dataclass
    Open

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

    RogueAlg0/taken#45 · 1 comment ·

    Maintainers usually reply within 1 day

  • Enable more ruff rule sets (UP, B)
    Open
    good first issue

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

    RogueAlg0/taken#43 · 1 comment ·

    Maintainers usually reply within 1 day

  • MCP and CLI results don't say when they've been truncated
    Open
    good first issue

    Difficulty 3/5 1-2 days Newbie friendliness 78/100

    RogueAlg0/taken#29 · 1 comment ·

    Maintainers usually reply within 1 day

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