{"title":"MCP in Claude Code","slug":"claude-code","category":"mcp","summary":"Gebruik Synapse-tools vanaf de Claude Code terminal-agent — permanent geheugen voor code-sessies.","audience":["human","llm"],"tags":["mcp","claude-code","terminal","coding"],"difficulty":"intermediate","updated":"2026-06-27","word_count":203,"read_minutes":1,"llm_context":"Claude Code config: ~/.claude/config.json (or via `claude mcp add` command)\nCommand: npx -y synapse-mcp-api@latest\nEnv: SYNAPSE_MIND_KEY (required), SYNAPSE_URL (optional)\nAlternative: `claude mcp add synapse -- npx -y synapse-mcp-api@latest`\nThen: set SYNAPSE_MIND_KEY env var in your shell\nTest: in claude code, type \"recall all my memories\"\n","lang":"nl","translated":true,"requested_lang":"nl","content_markdown":"\n# MCP in Claude Code\n\nClaude Code is de terminal-gebaseerde code-agent van Anthropic. Met Synapse MCP\nkrijgt Claude Code permanent geheugen tussen code-sessies — het herinnert\nuw projectcontext, eerdere beslissingen en codebase-patronen.\n\n## Setup\n\n### Methode 1: CLI-commando (aanbevolen)\n\n```bash\n# Add Synapse as an MCP server\nclaude mcp add synapse -- npx -y synapse-mcp-api@latest\n\n# Set your Mind Key as env var (add to ~/.bashrc or ~/.zshrc)\nexport SYNAPSE_MIND_KEY=\"mk_YOUR_MIND_KEY_HERE\"\nexport SYNAPSE_URL=\"https://synapse.schaefer.zone\"  # optional, defaults to synapse.schaefer.zone\n```\n\n### Methode 2: Bewerk configuratiebestand\n\nBewerk `~/.claude/config.json`:\n\n```json\n{\n  \"mcpServers\": {\n    \"synapse\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"synapse-mcp-api@latest\"],\n      \"env\": {\n        \"SYNAPSE_MIND_KEY\": \"mk_YOUR_MIND_KEY_HERE\",\n        \"SYNAPSE_URL\": \"https://synapse.schaefer.zone\"\n      }\n    }\n  }\n}\n```\n\n## Verifieer dat het werkt\n\nStart Claude Code:\n\n```bash\nclaude\n```\n\nIn de Claude Code-prompt, typ:\n\n```\nrecall all my memories\n```\n\nClaude zou `memory_recall` moeten aanroepen en reageren met uw opgeslagen herinneringen.\n\n## Veelvoorkomende patronen\n\n### Projectcontext-persistentie\n\nAan het begin van een code-sessie:\n\n```\nrecalling my memories — what projects am I working on?\n```\n\nClaude roept `memory_recall` aan, ziet uw projectlijst, en gaat verder met werk\nwaar u gebleven was.\n\n### Codebase-beslissingen\n\nWanneer u een architecturale beslissing neemt:\n\n```\nstore this: \"We chose PostgreSQL over SQLite because of concurrent write\nperformance. Decision made on 2026-06-27.\"\n```\n\nClaude roept `memory_store` aan met categorie `project`, prioriteit `high`.\n\n### Eerdere fouten vermijden\n\n```\nwhat mistakes have I made with this codebase?\n```\n\nClaude zoekt herinneringen met categorie `mistake` en herinnert u aan eerdere fouten.\n\n### Taak-tracking\n\n```\ncreate a task: \"Refactor auth module to use JWT refresh tokens\"\n```\n\nClaude roept `task_create` aan, en de taak blijft bewaard tussen sessies.\n\n## Tool-profielen\n\nVoor code-sessies waar u niet alle 119 tools nodig heeft:\n\n```bash\n# Set profile via env var\nexport MCP_PROFILE=\"standard\"  # 25 tools, ~2500 tokens\n\n# Or in config.json\n\"env\": {\n  \"SYNAPSE_MIND_KEY\": \"mk_...\",\n  \"MCP_PROFILE\": \"standard\"\n}\n```\n\n## Troubleshooting\n\n### MCP-server start niet\n\n```bash\n# Test the MCP server manually\nnpx -y synapse-mcp-api@latest\n\n# Should print:\n# [info] synapse-mcp Streamable HTTP server ready\n# [info]   MCP:      http://localhost:13100/mcp\n```\n\n### Mind Key niet herkend\n\n```bash\n# Verify env var is set\necho $SYNAPSE_MIND_KEY\n\n# Test directly\ncurl -H \"Authorization: Bearer $SYNAPSE_MIND_KEY\" \\\n     https://synapse.schaefer.zone/memory/recall\n```\n\n### Claude Code ziet tools niet\n\n- Herstart Claude Code na configuratiewijzigingen\n- Controleer `claude mcp list` om te verifiëren dat Synapse is geregistreerd\n- Zie [MCP Troubleshooting](/docs/mcp/troubleshooting)\n\n## Volgende stappen\n\n- [Claude Desktop-setup](/docs/mcp/claude-desktop)\n- [Cursor-setup](/docs/mcp/cursor)\n- [Permanente LLM-agent-handleiding](/docs/guides/persistent-llm-agent)\n","content_html":"<h1>MCP in Claude Code</h1>\n<p>Claude Code is de terminal-gebaseerde code-agent van Anthropic. Met Synapse MCP\nkrijgt Claude Code permanent geheugen tussen code-sessies — het herinnert\nuw projectcontext, eerdere beslissingen en codebase-patronen.</p>\n<h2>Setup</h2>\n<h3>Methode 1: CLI-commando (aanbevolen)</h3>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-comment\"># Add Synapse as an MCP server</span>\nclaude mcp add synapse -- npx -y synapse-mcp-api@latest\n\n<span class=\"hljs-comment\"># Set your Mind Key as env var (add to ~/.bashrc or ~/.zshrc)</span>\n<span class=\"hljs-built_in\">export</span> SYNAPSE_MIND_KEY=<span class=\"hljs-string\">&quot;mk_YOUR_MIND_KEY_HERE&quot;</span>\n<span class=\"hljs-built_in\">export</span> SYNAPSE_URL=<span class=\"hljs-string\">&quot;https://synapse.schaefer.zone&quot;</span>  <span class=\"hljs-comment\"># optional, defaults to synapse.schaefer.zone</span></code></pre><h3>Methode 2: Bewerk configuratiebestand</h3>\n<p>Bewerk <code>~/.claude/config.json</code>:</p>\n<pre><code class=\"hljs language-json\"><span class=\"hljs-punctuation\">{</span>\n  <span class=\"hljs-attr\">&quot;mcpServers&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-punctuation\">{</span>\n    <span class=\"hljs-attr\">&quot;synapse&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-punctuation\">{</span>\n      <span class=\"hljs-attr\">&quot;command&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;npx&quot;</span><span class=\"hljs-punctuation\">,</span>\n      <span class=\"hljs-attr\">&quot;args&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-punctuation\">[</span><span class=\"hljs-string\">&quot;-y&quot;</span><span class=\"hljs-punctuation\">,</span> <span class=\"hljs-string\">&quot;synapse-mcp-api@latest&quot;</span><span class=\"hljs-punctuation\">]</span><span class=\"hljs-punctuation\">,</span>\n      <span class=\"hljs-attr\">&quot;env&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-punctuation\">{</span>\n        <span class=\"hljs-attr\">&quot;SYNAPSE_MIND_KEY&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;mk_YOUR_MIND_KEY_HERE&quot;</span><span class=\"hljs-punctuation\">,</span>\n        <span class=\"hljs-attr\">&quot;SYNAPSE_URL&quot;</span><span class=\"hljs-punctuation\">:</span> <span class=\"hljs-string\">&quot;https://synapse.schaefer.zone&quot;</span>\n      <span class=\"hljs-punctuation\">}</span>\n    <span class=\"hljs-punctuation\">}</span>\n  <span class=\"hljs-punctuation\">}</span>\n<span class=\"hljs-punctuation\">}</span></code></pre><h2>Verifieer dat het werkt</h2>\n<p>Start Claude Code:</p>\n<pre><code class=\"hljs language-bash\">claude</code></pre><p>In de Claude Code-prompt, typ:</p>\n<pre><code class=\"hljs language-plaintext\">recall all my memories</code></pre><p>Claude zou <code>memory_recall</code> moeten aanroepen en reageren met uw opgeslagen herinneringen.</p>\n<h2>Veelvoorkomende patronen</h2>\n<h3>Projectcontext-persistentie</h3>\n<p>Aan het begin van een code-sessie:</p>\n<pre><code class=\"hljs language-plaintext\">recalling my memories — what projects am I working on?</code></pre><p>Claude roept <code>memory_recall</code> aan, ziet uw projectlijst, en gaat verder met werk\nwaar u gebleven was.</p>\n<h3>Codebase-beslissingen</h3>\n<p>Wanneer u een architecturale beslissing neemt:</p>\n<pre><code class=\"hljs language-plaintext\">store this: &quot;We chose PostgreSQL over SQLite because of concurrent write\nperformance. Decision made on 2026-06-27.&quot;</code></pre><p>Claude roept <code>memory_store</code> aan met categorie <code>project</code>, prioriteit <code>high</code>.</p>\n<h3>Eerdere fouten vermijden</h3>\n<pre><code class=\"hljs language-plaintext\">what mistakes have I made with this codebase?</code></pre><p>Claude zoekt herinneringen met categorie <code>mistake</code> en herinnert u aan eerdere fouten.</p>\n<h3>Taak-tracking</h3>\n<pre><code class=\"hljs language-plaintext\">create a task: &quot;Refactor auth module to use JWT refresh tokens&quot;</code></pre><p>Claude roept <code>task_create</code> aan, en de taak blijft bewaard tussen sessies.</p>\n<h2>Tool-profielen</h2>\n<p>Voor code-sessies waar u niet alle 119 tools nodig heeft:</p>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-comment\"># Set profile via env var</span>\n<span class=\"hljs-built_in\">export</span> MCP_PROFILE=<span class=\"hljs-string\">&quot;standard&quot;</span>  <span class=\"hljs-comment\"># 25 tools, ~2500 tokens</span>\n\n<span class=\"hljs-comment\"># Or in config.json</span>\n<span class=\"hljs-string\">&quot;env&quot;</span>: {\n  <span class=\"hljs-string\">&quot;SYNAPSE_MIND_KEY&quot;</span>: <span class=\"hljs-string\">&quot;mk_...&quot;</span>,\n  <span class=\"hljs-string\">&quot;MCP_PROFILE&quot;</span>: <span class=\"hljs-string\">&quot;standard&quot;</span>\n}</code></pre><h2>Troubleshooting</h2>\n<h3>MCP-server start niet</h3>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-comment\"># Test the MCP server manually</span>\nnpx -y synapse-mcp-api@latest\n\n<span class=\"hljs-comment\"># Should print:</span>\n<span class=\"hljs-comment\"># [info] synapse-mcp Streamable HTTP server ready</span>\n<span class=\"hljs-comment\"># [info]   MCP:      http://localhost:13100/mcp</span></code></pre><h3>Mind Key niet herkend</h3>\n<pre><code class=\"hljs language-bash\"><span class=\"hljs-comment\"># Verify env var is set</span>\n<span class=\"hljs-built_in\">echo</span> <span class=\"hljs-variable\">$SYNAPSE_MIND_KEY</span>\n\n<span class=\"hljs-comment\"># Test directly</span>\ncurl -H <span class=\"hljs-string\">&quot;Authorization: Bearer <span class=\"hljs-variable\">$SYNAPSE_MIND_KEY</span>&quot;</span> \\\n     https://synapse.schaefer.zone/memory/recall</code></pre><h3>Claude Code ziet tools niet</h3>\n<ul>\n<li>Herstart Claude Code na configuratiewijzigingen</li>\n<li>Controleer <code>claude mcp list</code> om te verifiëren dat Synapse is geregistreerd</li>\n<li>Zie <a href=\"/docs/mcp/troubleshooting\">MCP Troubleshooting</a></li>\n</ul>\n<h2>Volgende stappen</h2>\n<ul>\n<li><a href=\"/docs/mcp/claude-desktop\">Claude Desktop-setup</a></li>\n<li><a href=\"/docs/mcp/cursor\">Cursor-setup</a></li>\n<li><a href=\"/docs/guides/persistent-llm-agent\">Permanente LLM-agent-handleiding</a></li>\n</ul>\n","urls":{"html":"/docs/mcp/claude-code","text":"/docs/mcp/claude-code?format=text","json":"/docs/mcp/claude-code?format=json","llm":"/docs/mcp/claude-code?format=llm"},"translations_available":["en","zh","hi","es","fr","ar","pt","ru","ja","de","it","ko","nl","pl","tr","sv","vi","th","id","uk"]}