Experimental package — This module provides a set of MCP tools to retrieve information from GitHub
Jcodemunch is installed from its publisher's own source and answers where it runs, so this marketplace is not in the path of a single call. There is no address here to send one to, and a panel that pretended otherwise would be showing you an answer we made up. Install it and call it from your own client — the Installation tab has the entry for each one.
Open InstallationWhat it does
Token-efficient MCP server for source code exploration via tree-sitter AST parsing
Quickstart
# 1 — install (mcprush login holds a key from your dashboard)
npx mcprush@latest add jcodemunch-mcp
# 2 — ask your agent something
> Token-efficient MCP server for source code exploration via tree-sitter AST parsing
Jcodemunch is free: there is no plan to choose, no cap to set and nothing that can bill you.
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. This one runs on your machine: your client starts Jcodemunch as a process under your own user, with your files and your network, so the tool surface below is what it can do to your computer rather than to a server somewhere else. It is scanned, signed and pinned to the version you choose — read the surface before you approve it.
This is a public server: you run it yourself and this marketplace is not in the path. It is published at https://github.com/jgravelle/jcodemunch-mcp.
# see the README at https://github.com/jgravelle/jcodemunch-mcp — this one is built and started in its own way, and inventing a one-liner here would be a command that does not runReconnect, or start a new session, and the tools appear in the model’s tool list.
One config entry your client uses to start the process locally. A local server runs with your file system and your network, which is why it is priced without metering.
24 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
Index a GitHub repository
Takes no parameters.
Index a local folder of source code. Response surfaces `discovery_skip_counts` and `no_symbols_files` for diagnosing missing files. Skips .gitignore and extra_ignore_patterns matches.
Takes no parameters.
Index a single file within an existing index. Surgical update after edits. The file must be under an already-indexed folder
Takes no parameters.
Resolve a filesystem path to its indexed repo identifier. O(1) lookup — faster than list_repos for finding a single repo. Accepts repo root, worktree, subdirectory, or file path. Pass an absolute path; a relative one resolves against the server
Takes no parameters.
Get the file tree of an indexed repository, optionally filtered by path prefix. Results are capped at max_files (default 500) to prevent token overflow; use path_prefix to scope large trees.
Takes no parameters.
Get all symbols (functions, classes, methods) in a file with full signatures (including parameter names) and summaries. Use signatures to review naming at parameter granularity without reading the full file. Pass repo and file_path (e.g.
Takes no parameters.
Get full source of one symbol (symbol_id → flat object) or many (symbol_ids[] → {symbols, errors}). Supports verify, context_lines, fqn (PHP FQN via PSR-4), and an optional bounded mode that caps returned source for large symbols/batches.
Takes no parameters.
Get cached source for a file, optionally sliced to a line range. Reads the indexed copy, not the working tree.
Takes no parameters.
Search for symbols matching a query across the entire indexed repository. Returns matches with signatures and summaries. Searches the index, not the working tree.
Takes no parameters.
Delete the index and cached files for a repository. Forces a full re-index on next index_repo or index_folder call.
Takes no parameters.
Full-text search across indexed file contents. Useful when symbol search misses (e.g., string literals, comments, config values). Supports regex (is_regex=true) and context lines around matches (context_lines=N, like grep -C). Searches the indexed copy, not the working tree.
Takes no parameters.
Get a high-level overview of an indexed repository: directories, file counts, language breakdown, symbol counts. Lighter than get_file_tree. Directories only, not files.
Takes no parameters.
Find all files that import a given file. Answers
Takes no parameters.
Find all files that import or reference an identifier via the import graph. Answers
Takes no parameters.
Per-tool latency telemetry: p50/p95/max in ms, error rate, plus cache hit-rate by tool. Defaults to the in-memory session ring; pass window=1h|24h|7d|all to query persisted telemetry.db (requires perf_telemetry_enabled). Useful for finding slow tools, cold caches, and regressions.
Takes no parameters.
Learn per-repo retrieval weights from the v1.78.0 ranking ledger. Computes confidence correlations for the semantic and identity-match channels and writes overrides to ~/.code-index/tuning.jsonc. search_symbols reads those overrides at query time when the caller doesn
Takes no parameters.
Get the current session context — files accessed, searches performed, and edits registered during this MCP session. Use to avoid re-reading the same files. Truncated to max_files (default 50) and max_queries (default 20), and covers this server process only.
Takes no parameters.
Plan the next turn by analyzing query against the codebase. Returns confidence level (high/medium/low), recommended symbols/files, and guidance. Use as opening move for any task. Recommends at most max_recommended symbols (default 5) and ranks only what the index holds.
Takes no parameters.
Register file edits to invalidate caches. Call after editing files to clear BM25 cache and search result cache for the repo. Clears caches only. It does not re-index unless reindex=true, so search results stay stale until you do.
Takes no parameters.
Get the file-level dependency graph for a given file. Traverses import relationships up to 3 hops. Use to understand what a file depends on (
Takes no parameters.
Diff symbol sets between two indexed snapshots. Shows added, removed, and changed symbols. Branch workflow: index branch A as repo-main, index branch B as repo-feature, then diff. Compares by (name, kind), so a renamed symbol appears as one removal plus one addition, not a rename.
Takes no parameters.
Get the full inheritance hierarchy for a class: ancestors (base classes via extends/implements) and descendants (subclasses/implementors). Works across Python, Java, TypeScript, C#, and any language where class signatures contain
Takes no parameters.
Find symbols related to a given symbol using heuristic clustering: same-file co-location (weight 3), shared importers (weight 1.5), and name-token overlap (weight 0.5/token). Useful for discovering what else to read when exploring an unfamiliar codebase.
Takes no parameters.
Suggest search queries, entry-point files, and index stats. Good first call on an unfamiliar repo — surfaces most-imported files, top keywords, and ready-to-run example queries. Suggestions come from index statistics rather than your task, so treat them as starting points.
Takes no parameters.
- Every tool, no call limit
- No card, no account needed
- Source published under a licence you can read
- Runs on your machine — nothing of it reaches our gateway
- Nothing to cap, because nothing bills
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable. Jcodemunch costs nothing to install and nothing to call, at any volume.
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
| Term | Level | What it prices | Points |
|---|---|---|---|
| capability-exposure | high | capability blast radius (high) — client exposure if the model is manipulated | −6 |
| verification-discount | repo | publisher verification (public source) — no provenance, but the source is public and inspectable | −1 |
| coverage-honesty | source | inspection depth (source) — how much of the target the scan could see | −0 |
What the scan could actually read
A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.
Tools were statically extracted from the published source (94 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Capability — what it could do if the model were manipulated
Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. high is the level these add up to.
| Tool | Capability tags | Why the tag was assigned |
|---|---|---|
| order | no tags | |
| menu | no tags | |
| route | no tags | |
| index_repo | no tags | |
| index_folder | no tags | |
| summarize_repo | no tags | |
| index_file | no tags | |
| index_dependency | no tags | |
| import_runtime_signal | no tags | |
| get_runtime_coverage | no tags | |
| find_hot_paths | no tags | |
| find_unused_paths | no tags | |
| get_redaction_log | no tags | |
| list_repos | no tags | |
| get_watch_status | no tags | |
| resolve_repo | no tags | |
| get_file_tree | no tags | |
| get_file_outline | no tags | |
| get_symbol_source | no tags | |
| get_file_content | no tags | |
| search_symbols | no tags | |
| invalidate_cache | no tags | |
| search_text | no tags | |
| get_repo_outline | no tags | |
| find_importers | no tags | |
| find_references | no tags | |
| check_references | no tags | |
| search_columns | no tags | |
| get_context_bundle | no tags | |
| get_session_stats | sensitive-source | |
| analyze_perf | no tags | |
| check_embedding_drift | no tags | |
| tune_weights | no tags | |
| get_session_context | no tags | |
| get_session_snapshot | no tags | |
| get_file_risk | no tags | |
| diff_health_radar | no tags | |
| finalize_handoff | no tags | |
| digest | no tags | |
| plan_turn | no tags | |
| register_edit | no tags | |
| test_summarizer | no tags | |
| audit_agent_config | no tags | |
| suggest_corrections | no tags | |
| get_dependency_graph | no tags | |
| get_symbol_diff | no tags | |
| get_class_hierarchy | no tags | |
| get_related_symbols | no tags | |
| suggest_queries | no tags | |
| get_blast_radius | no tags | |
| get_call_hierarchy | no tags | |
| get_impact_preview | no tags | |
| get_symbol_provenance | no tags | |
| get_pr_risk_profile | no tags | |
| get_dependency_cycles | no tags | |
| get_coupling_metrics | no tags | |
| get_layer_violations | no tags | |
| check_rename_safe | no tags | |
| check_delete_safe | no tags | |
| check_edit_safe | no tags | |
| find_implementations | no tags | |
| plan_refactoring | no tags | |
| get_dead_code_v2 | no tags | |
| get_extraction_candidates | no tags | |
| get_symbol_complexity | no tags | |
| get_churn_rate | no tags | |
| get_delivery_metrics | no tags | |
| get_parity_map | no tags | |
| get_decorator_census | no tags | |
| get_architecture_metrics | no tags | |
| get_hotspots | no tags | |
| get_repo_health | no tags | |
| get_untested_symbols | no tags | |
| search_ast | no tags | |
| get_symbol_importance | no tags | |
| find_similar_symbols | no tags | |
| get_repo_map | no tags | |
| find_dead_code | no tags | |
| get_ranked_context | no tags | |
| assemble_task_context | no tags | |
| get_changed_symbols | no tags | |
| embed_repo | no tags | |
| get_cross_repo_map | no tags | |
| get_group_contracts | no tags | |
| get_tectonic_map | no tags | |
| get_signal_chains | no tags | |
| get_endpoint_impact | no tags | |
| render_diagram | no tags | |
| get_project_intel | no tags | |
| list_workspaces | no tags | |
| winnow_symbols | no tags | |
| set_tool_tier | no tags | |
| announce_model | no tags | |
| jcodemunch_guide | no tags |
Toxic-flow graph
The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.
The public result for this release does not print the flow graph, so there is nothing to show here. That is not the same as "no paths were found": what the scan did read is above, under coverage.
Supply chain and provenance
This is the first scan of this surface here, so there is nothing yet to compare it against.
Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.
Release history
Pinned to 1.108.296 — the install command below asks for that release. A pin is part of an install, so it is kept for this visit and written down when you install.
No release note was published with this version.
Only accounts with at least 50 real tool calls against this server in the last 90 days can post. Ratings are weighted by how much the reviewer actually uses it, and publishers can reply once per review.
Writing one takes an account with at least 50 real tool calls against Jcodemunch in the last 90 days. That is the whole gate — there is no other way to post, which is why the counts beside each review are worth reading.
Nobody has reviewed this listing. The rating on the card is the mean of the reviews written here and nothing else, so there is no rating until somebody writes the first — which takes an account with 50 real tool calls against it.