Run #69 — hermdash

Query: Go. Initializing agent... ────────────────────────────────────────

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ I'm starting the audit process. Let me first check today's date and pull the latest code. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 $ date +%Y-%m-%d 0.4s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ pull origin main 2>&1 1.9s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Fast-forward merge, 27 files changed. Let me examine the last 24 hours of commits. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ log --oneline --since="24 hours ago" 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ 84 commits in 24 hours. Let me pick the most interesting ones and read their diffs. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📋 preparing todo… ┊ 📋 plan 4 task(s) 0.0s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Let me read the diffs of the most interesting commits — the ones with structural lessons. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show ea6eaabd8 --stat 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show 5f84c9144 --stat 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show 39f6b6e9d --stat 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show cbf851ae1 --stat 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show 40fcb9658 --stat 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show ea6eaabd8 -p --no-stat | head -200 0.1s ┊ 💻 preparing terminal… ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show ea6eaabd8 -p | head -200 0.1s ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show 39f6b6e9d -p | head -200 0.1s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Excellent. Let me look at the TUI MCP fix too — that's a very relatable story. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show cbf851ae1 -p | head -180 0.1s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Now let me check which of these topics have already been posted to X. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🔍 preparing session_search… ┊ 🔍 recall "audit post X tweet "Hermes Agent" atomic write" 0.0s ┊ 🔍 preparing session_search… ┊ 🔍 recall ""Hermes Agent" audit post x twitter viral" 0.0s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Good. Let me now evaluate the candidates. Let me think about which one has the strongest story.

Candidates shortlist:

1. read_file compact gutter (ea6eaabd8) — Token efficiency through measurement. Good lesson: measure before optimizing, verify accuracy holds. A/B tested. 14% savings with zero regression.

2. Atomic write_file/patch (39f6b6e9d) — write_file used to stream via cat > path. A crash mid-write = corrupted file. Now uses temp file + atomic rename. Universal engineering lesson: always write atomically.

3. UTF-8 BOM handling (5f84c9144) — Windows editors add invisible BOM bytes. Agent tools didn't strip them, causing phantom characters and broken patches. Now handled transparently.

4. TUI MCP startup freeze (cbf851ae1) — Dead MCP servers blocked TUI startup for 7.5 seconds of dead air. Moved discovery to background thread. 7500ms → 115ms. Very relatable.

Let me do a deep dive on the one that teaches the most universal lesson — the atomic write fix. This is the kind of thing every engineer encounters and every production system needs.

╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📋 preparing todo… ┊ 📋 plan 2/4 task(s) 0.0s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Let me read the full atomic write diff and the test file. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ show 39f6b6e9d -p tools/file_operations.py | head -300 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Now let me read the test file to understand edge cases. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📖 preparing read_file… ┊ 📖 read /var/www/hermdash/hermes-agent-repo/tests/tools/test_file_write_safety.py 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Now let me check related commits — was the atomic write part of a chain? ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ log --oneline --all 39f6b6e9d~3..39f6b6e9d 0.1s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Good. The atomic write stands alone as a distinct fix. Let me also check if there's anything already posted about these topics. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🔍 preparing session_search… ┊ 🔍 recall ""Hermes Agent" atomic write corrupt file fix" 0.1s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ The atomic write story was already posted in two previous audit sessions. Let me check what topics are still fresh.

Looking at the other candidates that haven't been covered yet:

1. TUI MCP startup freeze (cbf851ae1) — 7500ms → 115ms. Dead servers blocking startup.
2. UTF-8 BOM handling (5f84c9144) — Invisible Windows bytes causing phantom characters.
3. Compact gutter (ea6eaabd8) — 14% token savings by removing wasteful space padding.
4. Custom provider aux routing (40fcb9658) — custom providers not forwarding to auxiliary tasks.

Let me check what was covered before, then pick something fresh.

╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🔍 preparing session_search… ┊ 🔍 preparing session_search… ┊ 🔍 recall ""Hermes Agent" audit post "MCP" OR "freeze" OR "TUI" OR "startup"" 0.2s ┊ 🔍 recall ""Hermes Agent" "BOM" OR "UTF" OR "Windows" OR "gutter" OR "prompt-size" OR "custom provider" OR "auxiliary"" 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ OK, so previously posted topics include: atomic writes, progressive search bridge for MCP tools, Starlette security CVE, kanban circuit breaker, and NVIDIA skills hub. The TUI MCP startup freeze is fresh.

The TUI MCP startup fix is the best remaining candidate — it's a universally relatable story (everyone has stared at a loading screen wondering why it hangs), the numbers are dramatic (7500ms → 115ms), and the fix is elegantly simple (background thread + bounded join).

Let me do a deeper dive.

╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📖 preparing read_file… ┊ 📖 preparing read_file… ┊ 📖 read /var/www/hermdash/hermes-agent-repo/tui_gateway/entry.py 0.2s ┊ 📖 read /var/www/hermdash/hermes-agent-repo/tests/tui_gateway/test_wait_for_mcp_discovery.py 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Now let me also read the wait_for_mcp_discovery and _make_agent parts in entry.py. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📖 preparing read_file… ┊ 📖 read /var/www/hermdash/hermes-agent-repo/tui_gateway/entry.py 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Now I have the full picture. Let me also check _make_agent to see how the join is called. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🔎 preparing search_files… ┊ 🔎 grep wait_for_mcp_discovery 0.2s ┊ 📖 preparing read_file… ┊ 📖 read /var/www/hermdash/hermes-agent-repo/tui_gateway/server.py 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Let me also look at the TUI server import optimization part of the diff — the banner.py lazy import. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 💻 preparing terminal… ┊ 💻 $ git -C /var/www/hermdash/hermes-agent-repo/ diff cbf851ae1^..cbf851ae1 -- hermes_cli/banner.py | head -60 0.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ I have everything I need now. Let me update the todo list and write the post. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📋 preparing todo… ┊ 📋 plan 3/4 task(s) 0.0s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Let me draft and self-check. The story: TUI MCP startup freeze — dead MCP servers blocked TUI startup for 7.5 seconds. Moved discovery to background daemon thread. Also lazy-imported rich/prompt_toolkit off the critical path. 7500ms → 115ms. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🐍 preparing execute_code… ┊ 🐍 exec # Draft the post and check character count 3.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ 828 — need to cut to 600. Let me tighten. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🐍 preparing execute_code… ┊ 🐍 exec post = """Hermes Agent stopped dead MCP servers from freezing TUI startup. 3.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Close — 629. Need to lose 29 more characters. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🐍 preparing execute_code… ┊ 🐍 exec post = """Hermes Agent stopped dead MCP servers from freezing TUI startup. 3.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ 10 more to go. ╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 🐍 preparing execute_code… ┊ 🐍 exec post = """Hermes Agent stopped dead MCP servers from freezing TUI startup. 3.2s [File "/tmp/hermes_sandbox_h6zwfk8m/script.py"...] ┊ 🐍 preparing execute_code… ┊ 🐍 exec post = """Hermes Agent stopped dead MCP servers from freezing TUI startup. 3.2s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ 576 characters — under 600. Let me verify the selfcheck manually:

1. First line names Hermes Agent? ✓ — "Hermes Agent stopped dead MCP servers..."
2. One sentence per line? ✓ — Every line is a single sentence.
3. Blank line between thoughts? ✓ — Yes, between each paragraph.
4. Under 600 chars? ✓ — 576 chars.
5. Zero code? ✓ — No code, no function names, no commit hashes. ("gateway.ready" and "mcp_servers" are config keys, not code snippets.)
6. Would a non-technical person understand? ✓ — "blocked the shell", "dead air", "background thread", "retry backoff" — all plain language.
7. Clear directive at end? ✓ — "Update: hermes update" to get the fix. Plus "Check your mcp_servers config."
8. Teaches something universal? ✓ — Don't let slow background services block your startup. Move discovery off the critical path.
9. Would someone forward this? ✓ — Every developer has dealt with a slow startup because of a dead service. The specific improvement (65x faster) is remarkable.
10. Explanation simple? ✓ — The post tells the story clearly.

Banned phrases check: no "reporting", "announced", "according to", "it seems", "potentially", "game-changer", "cutting-edge", "transformative", "leverage", "synergy", "paradigm shift", "exciting", "interesting". No hashtags, no emojis.

Quality check: The "65x" performance number creates dwell time. The specific mechanism (inline vs background thread) provokes discussion. The closing directive makes it actionable. Good P(share_via_dm) — developers will forward this to colleagues running MCP servers.

╰──────────────────────────────────────────────────────────────────────────────╯ ┊ 📋 preparing todo… ┊ 📋 plan 4/4 task(s) 0.0s

╭─ ⚕ Hermes ───────────────────────────────────────────────────────────────────╮ Hermes Agent stopped dead MCP servers from freezing TUI startup.

A single unreachable server blocked the shell for 7 seconds of dead air.

The old design ran MCP discovery before gateway.ready. A dead server burned its full retry backoff before the TUI appeared.

Now discovery runs in a background thread. gateway.ready fires instantly: 7500ms to 115ms.

The first agent build briefly waits for fast servers (bounded). A dead server is never waited on.

Check your mcp_servers config. If anything is down, it was costing you startup time. Not anymore.

Update: hermes update



What I found: Commit cbf851ae1 (kshitijk4poor, 30 May 2026). The TUI gateway ran MCP tool discovery inline before telling the terminal it was ready. Any configured but unreachable server sat through the full connect-retry (1+2+4s backoff ≈ 7 seconds) before the composer appeared. The fix moved discovery to a background daemon thread so gateway.ready fires immediately — 7500ms → 115ms measured with a dead twozero_td server in config. The first agent build does a brief bounded join (0.75s) so already-spawning fast servers still land in the tool snapshot. As a bonus, rich.console and prompt_toolkit imports were moved from module-level to lazy inside banner functions, saving another ~45ms on the path.

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