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URL: https://docs.morphllm.com/introduction

⇱ Introduction - Morph Documentation


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The problem

Coding agents waste most of their compute on things that aren’t reasoning. Cognition measured 60% of turns spent searching. Anthropic found specialized subprocesses improve task completion by 90%. And every file-editing agent hits the same failure: it rewrites a 500-line file to change 3 lines, burning tokens and introducing drift. These aren’t reasoning problems. They’re mechanical problems, and they have mechanical solutions.
Without MorphWith Morph
Agent rewrites a 500-line file to change 3 lines. Costs ~$0.12, takes 8 seconds.Agent sends a 10-line edit snippet. Merged in under a second at 10,500 tok/s, 98% accuracy.
str_replace fails when whitespace doesn’t match. Agent re-reads the file, retries.Fast Apply takes a lazy snippet. No re-reads, no exact-string matching.
Agent spends 60% of turns searching. Results fill the context window.WarpGrep searches in a separate context. Finds code in 3.8 steps. Main context stays clean.
After 50 turns, chat history is 80% filler. Model starts forgetting.Compact removes irrelevant lines at 33,000 tok/s. 50-70% reduction. Every surviving line is verbatim.

Get running in 30 seconds

One command installs the MCP server and adds edit_file + codebase_search to your editor. It auto-detects Claude Code, Cursor, Codex, and VS Code, then configures them all.
Terminal
npx -y @morphllm/morph-setup --morph-api-key YOUR_API_KEY
Logged in? Your API key auto-fills above. Otherwise, grab one from your dashboard.

Full MCP setup guide

Per-client configuration, CLAUDE.md prompts, and troubleshooting

Building an agent? Use the SDK.

OpenAI-compatible API. Point any OpenAI SDK at https://api.morphllm.com/v1.
import { MorphClient } from '@morphllm/morphsdk';

const morph = new MorphClient({ apiKey: process.env.MORPH_API_KEY });

// Edit a file: 10,500 tok/s, 98% accuracy
const edit = await morph.fastApply.execute({
 target_filepath: 'src/auth.ts',
 instructions: 'Add null check before session creation',
 code_edit: '// ... existing code ...\nif (!user) throw new Error("Not found");\n// ... existing code ...'
});

// Search a codebase: 3.8 steps, 8 parallel tool calls per turn
const search = await morph.warpGrep.execute({
 searchTerm: 'Find authentication middleware',
 repoRoot: '.'
});

// Compress context: 33,000 tok/s, 50-70% reduction
const compact = await morph.compact({
 input: chatHistory,
 query: 'JWT token validation'
});
npm install @morphllm/morphsdk

Products

ProductWhat it doesSpeedKey metric
Fast ApplyMerges edit snippets into files10,500 tok/s98% accuracy
WarpGrepSearches code in an isolated context window~3.8 steps#1 SWE-Bench Pro
CompactRemoves irrelevant lines from chat history33,000 tok/s50-70% reduction, verbatim
RouterRoutes prompts to the right model tier~50ms$0.005/request
ReflexesClassifies text for guardrails and routing~90ms$0.0005/event

Common gotchas

If you’re coming from…

Install the MCP server. edit_file and codebase_search appear as tools automatically. No code changes. MCP quickstart →

Next steps

Fast Apply Quickstart

Prompt templates, code examples, verification

WarpGrep Guide

Codebase search, GitHub search, streaming

Compact Guide

Query-conditioned compression, keepContext tags

MCP Integration

Claude Code, Cursor, Codex, VS Code

SDK Reference

Full TypeScript SDK documentation

API Playground

Test with live examples

Enterprise

Dedicated instances, self-hosted deployments, zero data retention. 99.9% uptime SLA, SOC2, SSO.

Talk to Sales

Custom deployments and volume pricing
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