{"type":"post","id":"why-agents-are-soon-only-going-to-have-fbd158","slug":"why-agents-are-soon-only-going-to-have-fbd158","title":"Why Agents Are Soon Only Going to Have 1 Tool","description":"Phil Schmid argues that agents may work more effectively with one exec(code) tool than with a long catalog of individual tool definitions.","retrieval_nugget":"Phil Schmid argues that agents may work more effectively with one exec(code) tool than with a long catalog of individual tool definitions. In this design, the model writes a short script that chains typed calls inside a sandbox, potentially reducing round trips and context growth. The key question for builders is where orchestration, state and policy enforcement should live.","published_at":"2026-11-03","updated_at":"2026-11-06","record_date":"2026-11-03","date_kind":"published_at","topics":["mcp"],"entities":["Phil Schmid","Model Context Protocol"],"related_patterns":["harness-architecture-outlives-model-choice","agent-protocols-become-interoperability-layer"],"novelty_label":"new_angle","what_changed":"Argues that increasingly complex agent workflows are pushing tool design toward a single code-execution interface, rather than merely describing multi-tool agent work.","prior_refs":[],"source_url":"https://www.philschmid.de/code-mode","source_urls":["https://www.philschmid.de/code-mode"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:why-agents-are-soon-only-going-to-have-fbd158","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/why-agents-are-soon-only-going-to-have-fbd158/","markdown":"https://newruntime.com/posts/why-agents-are-soon-only-going-to-have-fbd158.md","json":"https://newruntime.com/posts/why-agents-are-soon-only-going-to-have-fbd158.json"},"markdown_url":"https://newruntime.com/posts/why-agents-are-soon-only-going-to-have-fbd158.md","next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}