Agreement not yet measured: the pre-registered rule needs at least three agent pairs; this preview has fewer agents complete so far.
claude × codex: server ρ 0.89 [0.47, 1.00]
Pixel robot holding a trophy

WEB FETCH · CLAUDE CODE · SONNET 5.517 core tasks · claude-sonnet-5-5 · claude-code 2.1.296

BANDSERVERDETAILSCOMPLETION %
BAND 1 · statistically tied — listed A→Z
1DuckDuckGo MCP (fetch_content)3 tools · run log · repo coverage —% · reliability —% · extended 0%
median call 0.0s SHRED
8871–100
1fetcher-mcp3 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.7s SHRED
9482–100
1Fetch Server (zcaceres)6 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.0s SHRED
100100–100
1mcp-searxng (web_url_read)4 tools · run log · repo coverage —% · reliability —% · extended 0%
median call 0.0s SHRED
9482–100
1Fetch (official)1 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.4s SHRED
100100–100
1Scrapling MCP13 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.0s SHRED
100100–100
BAND 2
2open-webSearch (fetchWebContent)6 tools · run log · repo coverage —% · reliability —% · extended 0%
median call 0.0s
8265–100
Completion = share of 17 core jobs finished, averaged per task over 2–5 attempts (95% interval below the score). Bands group servers whose rank intervals overlap. Coverage = share of capabilities the server advertises; reliability = pass rate on the jobs it claims to support.
Pixel robot holding a trophy

WEB FETCH · CODEX CLI · GPT-5.6 TERRA17 core tasks · gpt-5.6-terra · codex-cli 0.162.0 · LOW-SAMPLE

BANDSERVERDETAILSCOMPLETION %
BAND 1 · statistically tied — listed A→Z
1DuckDuckGo MCP (fetch_content)3 tools · run log · repo · ⚑ >5% excluded attempts coverage —% · reliability —% · extended 0%
median call 0.1s SHRED
8871–100
1fetcher-mcp3 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.7s SHRED
100100–100
1Fetch Server (zcaceres)6 tools · run log · repo coverage —% · reliability —% · extended 100%
median call 0.0s SHRED
100100–100
1mcp-searxng (web_url_read)4 tools · run log · repo coverage —% · reliability —% · extended 0%
median call 0.0s SHRED
9482–100
1Fetch (official)1 tools · run log · repo coverage —% · reliability —% · extended 60%
median call 0.1s SHRED
100100–100
1open-webSearch (fetchWebContent)6 tools · run log · repo coverage —% · reliability —% · extended 0%
median call 0.0s SHRED
8871–100
1Scrapling MCP13 tools · run log · repo · ⚑ >5% excluded attempts coverage —% · reliability —% · extended 100%
median call 0.0s SHRED
100100–100
Completion = share of 17 core jobs finished, averaged per task over 2–5 attempts (95% interval below the score). Bands group servers whose rank intervals overlap. Coverage = share of capabilities the server advertises; reliability = pass rate on the jobs it claims to support.