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mikesmullin

mcp-context-loop

by mikesmullin

mcp-context-loop

MCP stdio server for CONTEXT LOOP navigation: goto and loop_start_marker.

These tools do not implement context-window mutation themselves. They call methods angela exposes on a unix-socket host (ANGELA_HOST_SOCK):

HTTP

angela method

POST /goto

session.applyGoto(args)

POST /loop_start_marker

session.applyLoopStartMarker(args)

Angela starts that host for every harness and passes the socket path into this server's env when the context-loop MCP preset is connected.

Not enabled by default

New angela agents only get file-io / term-local (or whatever the agent coffee lists). This server is opt-in:

  1. Add the preset to the agent:

mcp: [
  'file-io'
  'term-local'
  'context-loop'
]
  1. Allowlist the tools (they are not on DEFAULT_LUCY_ALLOWLIST):

goto
loop_start_marker

(Registered without a server prefix so the model still sees goto / loop_start_marker, matching the playbook text.)

Related MCP server: Hermes Kernel MCP Server

Tools

Tool

Purpose

loop_start_marker

Bookmark the previous context item; return the per-iteration playbook

goto

Hide context after that bookmark (keep the goto nav suffix); return the next-iteration brief

Env

  • ANGELA_HOST_SOCK — unix socket path (set by angela). Required for tool calls.

Run (usually via angela)

ANGELA_HOST_SOCK=/tmp/angela-host-….sock bun /workspace/mcp-context-loop/server.mjs

Maintenance

ActivityMaintained
ResponsivenessNo issues

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